[PATCH 2/3] mm: use VM_BUG_ON instead of VM_BUG_ON_PAGE everywhere

From: Kirill A. Shutemov
Date: Wed Oct 01 2014 - 07:32:33 EST

Powered by sed.

Signed-off-by: Kirill A. Shutemov <kirill.shutemov@xxxxxxxxxxxxxxx>
---
arch/x86/mm/gup.c | 8 +++----
include/linux/hugetlb.h | 2 +-
include/linux/hugetlb_cgroup.h | 4 ++--
include/linux/mm.h | 24 +++++++++----------
include/linux/mmdebug.h | 2 --
include/linux/page-flags.h | 10 ++++----
include/linux/pagemap.h | 10 ++++----
mm/cleancache.c | 6 ++---
mm/compaction.c | 2 +-
mm/filemap.c | 18 +++++++-------
mm/huge_memory.c | 36 ++++++++++++++--------------
mm/hugetlb.c | 10 ++++----
mm/hugetlb_cgroup.c | 2 +-
mm/internal.h | 8 +++----
mm/ksm.c | 12 +++++-----
mm/memcontrol.c | 54 +++++++++++++++++++++---------------------
mm/memory.c | 6 ++---
mm/migrate.c | 6 ++---
mm/mlock.c | 4 ++--
mm/page_alloc.c | 20 ++++++++--------
mm/page_io.c | 4 ++--
mm/rmap.c | 12 +++++-----
mm/shmem.c | 8 +++----
mm/swap.c | 38 ++++++++++++++---------------
mm/swap_state.c | 16 ++++++-------
mm/swapfile.c | 8 +++----
mm/vmscan.c | 20 ++++++++--------
27 files changed, 174 insertions(+), 176 deletions(-)

diff --git a/arch/x86/mm/gup.c b/arch/x86/mm/gup.c
index 207d9aef662d..7777bfd3abe6 100644
--- a/arch/x86/mm/gup.c
+++ b/arch/x86/mm/gup.c
@@ -108,8 +108,8 @@ static noinline int gup_pte_range(pmd_t pmd, unsigned long addr,

static inline void get_head_page_multiple(struct page *page, int nr)
{
- VM_BUG_ON_PAGE(page != compound_head(page), page);
- VM_BUG_ON_PAGE(page_count(page) == 0, page);
+ VM_BUG_ON(page != compound_head(page), page);
+ VM_BUG_ON(page_count(page) == 0, page);
atomic_add(nr, &page->_count);
SetPageReferenced(page);
}
@@ -135,7 +135,7 @@ static noinline int gup_huge_pmd(pmd_t pmd, unsigned long addr,
head = pte_page(pte);
page = head + ((addr & ~PMD_MASK) >> PAGE_SHIFT);
do {
- VM_BUG_ON_PAGE(compound_head(page) != head, page);
+ VM_BUG_ON(compound_head(page) != head, page);
pages[*nr] = page;
if (PageTail(page))
get_huge_page_tail(page);
@@ -212,7 +212,7 @@ static noinline int gup_huge_pud(pud_t pud, unsigned long addr,
head = pte_page(pte);
page = head + ((addr & ~PUD_MASK) >> PAGE_SHIFT);
do {
- VM_BUG_ON_PAGE(compound_head(page) != head, page);
+ VM_BUG_ON(compound_head(page) != head, page);
pages[*nr] = page;
if (PageTail(page))
get_huge_page_tail(page);
diff --git a/include/linux/hugetlb.h b/include/linux/hugetlb.h
index 14020c7796af..a559612d0c3a 100644
--- a/include/linux/hugetlb.h
+++ b/include/linux/hugetlb.h
@@ -370,7 +370,7 @@ static inline pte_t arch_make_huge_pte(pte_t entry, struct vm_area_struct *vma,

static inline struct hstate *page_hstate(struct page *page)
{
- VM_BUG_ON_PAGE(!PageHuge(page), page);
+ VM_BUG_ON(!PageHuge(page), page);
return size_to_hstate(PAGE_SIZE << compound_order(page));
}

diff --git a/include/linux/hugetlb_cgroup.h b/include/linux/hugetlb_cgroup.h
index 0129f89cf98d..fd0424795677 100644
--- a/include/linux/hugetlb_cgroup.h
+++ b/include/linux/hugetlb_cgroup.h
@@ -29,7 +29,7 @@ struct hugetlb_cgroup;

static inline struct hugetlb_cgroup *hugetlb_cgroup_from_page(struct page *page)
{
- VM_BUG_ON_PAGE(!PageHuge(page), page);
+ VM_BUG_ON(!PageHuge(page), page);

if (compound_order(page) < HUGETLB_CGROUP_MIN_ORDER)
return NULL;
@@ -39,7 +39,7 @@ static inline struct hugetlb_cgroup *hugetlb_cgroup_from_page(struct page *page)
static inline
int set_hugetlb_cgroup(struct page *page, struct hugetlb_cgroup *h_cg)
{
- VM_BUG_ON_PAGE(!PageHuge(page), page);
+ VM_BUG_ON(!PageHuge(page), page);

if (compound_order(page) < HUGETLB_CGROUP_MIN_ORDER)
return -1;
diff --git a/include/linux/mm.h b/include/linux/mm.h
index a91874b5a71a..183d39c1042a 100644
--- a/include/linux/mm.h
+++ b/include/linux/mm.h
@@ -319,7 +319,7 @@ static inline int get_freepage_migratetype(struct page *page)
*/
static inline int put_page_testzero(struct page *page)
{
- VM_BUG_ON_PAGE(atomic_read(&page->_count) == 0, page);
+ VM_BUG_ON(atomic_read(&page->_count) == 0, page);
return atomic_dec_and_test(&page->_count);
}

@@ -383,7 +383,7 @@ extern void kvfree(const void *addr);
static inline void compound_lock(struct page *page)
{
#ifdef CONFIG_TRANSPARENT_HUGEPAGE
- VM_BUG_ON_PAGE(PageSlab(page), page);
+ VM_BUG_ON(PageSlab(page), page);
bit_spin_lock(PG_compound_lock, &page->flags);
#endif
}
@@ -391,7 +391,7 @@ static inline void compound_lock(struct page *page)
static inline void compound_unlock(struct page *page)
{
#ifdef CONFIG_TRANSPARENT_HUGEPAGE
- VM_BUG_ON_PAGE(PageSlab(page), page);
+ VM_BUG_ON(PageSlab(page), page);
bit_spin_unlock(PG_compound_lock, &page->flags);
#endif
}
@@ -481,7 +481,7 @@ static inline bool __compound_tail_refcounted(struct page *page)
*/
static inline bool compound_tail_refcounted(struct page *page)
{
- VM_BUG_ON_PAGE(!PageHead(page), page);
+ VM_BUG_ON(!PageHead(page), page);
return __compound_tail_refcounted(page);
}

@@ -490,9 +490,9 @@ static inline void get_huge_page_tail(struct page *page)
/*
* __split_huge_page_refcount() cannot run from under us.
*/
- VM_BUG_ON_PAGE(!PageTail(page), page);
- VM_BUG_ON_PAGE(page_mapcount(page) < 0, page);
- VM_BUG_ON_PAGE(atomic_read(&page->_count) != 0, page);
+ VM_BUG_ON(!PageTail(page), page);
+ VM_BUG_ON(page_mapcount(page) < 0, page);
+ VM_BUG_ON(atomic_read(&page->_count) != 0, page);
if (compound_tail_refcounted(page->first_page))
atomic_inc(&page->_mapcount);
}
@@ -508,7 +508,7 @@ static inline void get_page(struct page *page)
* Getting a normal page or the head of a compound page
* requires to already have an elevated page->_count.
*/
- VM_BUG_ON_PAGE(atomic_read(&page->_count) <= 0, page);
+ VM_BUG_ON(atomic_read(&page->_count) <= 0, page);
atomic_inc(&page->_count);
}

@@ -545,13 +545,13 @@ static inline int PageBuddy(struct page *page)

static inline void __SetPageBuddy(struct page *page)
{
- VM_BUG_ON_PAGE(atomic_read(&page->_mapcount) != -1, page);
+ VM_BUG_ON(atomic_read(&page->_mapcount) != -1, page);
atomic_set(&page->_mapcount, PAGE_BUDDY_MAPCOUNT_VALUE);
}

static inline void __ClearPageBuddy(struct page *page)
{
- VM_BUG_ON_PAGE(!PageBuddy(page), page);
+ VM_BUG_ON(!PageBuddy(page), page);
atomic_set(&page->_mapcount, -1);
}

@@ -1447,7 +1447,7 @@ static inline bool ptlock_init(struct page *page)
* slab code uses page->slab_cache and page->first_page (for tail
* pages), which share storage with page->ptl.
*/
- VM_BUG_ON_PAGE(*(unsigned long *)&page->ptl, page);
+ VM_BUG_ON(*(unsigned long *)&page->ptl, page);
if (!ptlock_alloc(page))
return false;
spin_lock_init(ptlock_ptr(page));
@@ -1544,7 +1544,7 @@ static inline bool pgtable_pmd_page_ctor(struct page *page)
static inline void pgtable_pmd_page_dtor(struct page *page)
{
#ifdef CONFIG_TRANSPARENT_HUGEPAGE
- VM_BUG_ON_PAGE(page->pmd_huge_pte, page);
+ VM_BUG_ON(page->pmd_huge_pte, page);
#endif
ptlock_free(page);
}
diff --git a/include/linux/mmdebug.h b/include/linux/mmdebug.h
index 12f304a36b01..816cbd050ea9 100644
--- a/include/linux/mmdebug.h
+++ b/include/linux/mmdebug.h
@@ -60,7 +60,6 @@ void dump_mm(const struct mm_struct *mm);
_VM_BUG_ON_ARG2, \
_VM_BUG_ON_ARG1, \
BUG_ON)(__VA_ARGS__)
-#define VM_BUG_ON_PAGE VM_BUG_ON
#define VM_BUG_ON_VMA VM_BUG_ON
#define VM_BUG_ON_MM VM_BUG_ON
#define VM_WARN_ON(cond) WARN_ON(cond)
@@ -68,7 +67,6 @@ void dump_mm(const struct mm_struct *mm);
#define VM_WARN_ONCE(cond, format...) WARN_ONCE(cond, format)
#else
#define VM_BUG_ON(cond, ...) BUILD_BUG_ON_INVALID(cond)
-#define VM_BUG_ON_PAGE(cond, page) VM_BUG_ON(cond)
#define VM_BUG_ON_VMA(cond, vma) VM_BUG_ON(cond)
#define VM_BUG_ON_MM(cond, mm) VM_BUG_ON(cond)
#define VM_WARN_ON(cond) BUILD_BUG_ON_INVALID(cond)
diff --git a/include/linux/page-flags.h b/include/linux/page-flags.h
index e1f5fcd79792..53bbb4292377 100644
--- a/include/linux/page-flags.h
+++ b/include/linux/page-flags.h
@@ -434,7 +434,7 @@ static inline void ClearPageCompound(struct page *page)
*/
static inline int PageTransHuge(struct page *page)
{
- VM_BUG_ON_PAGE(PageTail(page), page);
+ VM_BUG_ON(PageTail(page), page);
return PageHead(page);
}

@@ -482,25 +482,25 @@ static inline int PageTransTail(struct page *page)
*/
static inline int PageSlabPfmemalloc(struct page *page)
{
- VM_BUG_ON_PAGE(!PageSlab(page), page);
+ VM_BUG_ON(!PageSlab(page), page);
return PageActive(page);
}

static inline void SetPageSlabPfmemalloc(struct page *page)
{
- VM_BUG_ON_PAGE(!PageSlab(page), page);
+ VM_BUG_ON(!PageSlab(page), page);
SetPageActive(page);
}

static inline void __ClearPageSlabPfmemalloc(struct page *page)
{
- VM_BUG_ON_PAGE(!PageSlab(page), page);
+ VM_BUG_ON(!PageSlab(page), page);
__ClearPageActive(page);
}

static inline void ClearPageSlabPfmemalloc(struct page *page)
{
- VM_BUG_ON_PAGE(!PageSlab(page), page);
+ VM_BUG_ON(!PageSlab(page), page);
ClearPageActive(page);
}

diff --git a/include/linux/pagemap.h b/include/linux/pagemap.h
index 19191d39c4f3..7446422ba046 100644
--- a/include/linux/pagemap.h
+++ b/include/linux/pagemap.h
@@ -173,7 +173,7 @@ static inline int page_cache_get_speculative(struct page *page)
* disabling preempt, and hence no need for the "speculative get" that
* SMP requires.
*/
- VM_BUG_ON_PAGE(page_count(page) == 0, page);
+ VM_BUG_ON(page_count(page) == 0, page);
atomic_inc(&page->_count);

#else
@@ -186,7 +186,7 @@ static inline int page_cache_get_speculative(struct page *page)
return 0;
}
#endif
- VM_BUG_ON_PAGE(PageTail(page), page);
+ VM_BUG_ON(PageTail(page), page);

return 1;
}
@@ -202,14 +202,14 @@ static inline int page_cache_add_speculative(struct page *page, int count)
# ifdef CONFIG_PREEMPT_COUNT
VM_BUG_ON(!in_atomic());
# endif
- VM_BUG_ON_PAGE(page_count(page) == 0, page);
+ VM_BUG_ON(page_count(page) == 0, page);
atomic_add(count, &page->_count);

#else
if (unlikely(!atomic_add_unless(&page->_count, count, 0)))
return 0;
#endif
- VM_BUG_ON_PAGE(PageCompound(page) && page != compound_head(page), page);
+ VM_BUG_ON(PageCompound(page) && page != compound_head(page), page);

return 1;
}
@@ -221,7 +221,7 @@ static inline int page_freeze_refs(struct page *page, int count)

static inline void page_unfreeze_refs(struct page *page, int count)
{
- VM_BUG_ON_PAGE(page_count(page) != 0, page);
+ VM_BUG_ON(page_count(page) != 0, page);
VM_BUG_ON(count == 0);

atomic_set(&page->_count, count);
diff --git a/mm/cleancache.c b/mm/cleancache.c
index d0eac4350403..817e593350c9 100644
--- a/mm/cleancache.c
+++ b/mm/cleancache.c
@@ -237,7 +237,7 @@ int __cleancache_get_page(struct page *page)
goto out;
}

- VM_BUG_ON_PAGE(!PageLocked(page), page);
+ VM_BUG_ON(!PageLocked(page), page);
fake_pool_id = page->mapping->host->i_sb->cleancache_poolid;
if (fake_pool_id < 0)
goto out;
@@ -279,7 +279,7 @@ void __cleancache_put_page(struct page *page)
return;
}

- VM_BUG_ON_PAGE(!PageLocked(page), page);
+ VM_BUG_ON(!PageLocked(page), page);
fake_pool_id = page->mapping->host->i_sb->cleancache_poolid;
if (fake_pool_id < 0)
return;
@@ -318,7 +318,7 @@ void __cleancache_invalidate_page(struct address_space *mapping,
if (pool_id < 0)
return;

- VM_BUG_ON_PAGE(!PageLocked(page), page);
+ VM_BUG_ON(!PageLocked(page), page);
if (cleancache_get_key(mapping->host, &key) >= 0) {
cleancache_ops->invalidate_page(pool_id,
key, page->index);
diff --git a/mm/compaction.c b/mm/compaction.c
index 92075d51ce90..fdf75f13b6e0 100644
--- a/mm/compaction.c
+++ b/mm/compaction.c
@@ -702,7 +702,7 @@ isolate_migratepages_block(struct compact_control *cc, unsigned long low_pfn,
if (__isolate_lru_page(page, isolate_mode) != 0)
continue;

- VM_BUG_ON_PAGE(PageTransCompound(page), page);
+ VM_BUG_ON(PageTransCompound(page), page);

/* Successfully isolated */
del_page_from_lru_list(page, lruvec, page_lru(page));
diff --git a/mm/filemap.c b/mm/filemap.c
index 0ab0a3ea5721..408bdeebbbe3 100644
--- a/mm/filemap.c
+++ b/mm/filemap.c
@@ -464,9 +464,9 @@ int replace_page_cache_page(struct page *old, struct page *new, gfp_t gfp_mask)
{
int error;

- VM_BUG_ON_PAGE(!PageLocked(old), old);
- VM_BUG_ON_PAGE(!PageLocked(new), new);
- VM_BUG_ON_PAGE(new->mapping, new);
+ VM_BUG_ON(!PageLocked(old), old);
+ VM_BUG_ON(!PageLocked(new), new);
+ VM_BUG_ON(new->mapping, new);

error = radix_tree_preload(gfp_mask & ~__GFP_HIGHMEM);
if (!error) {
@@ -551,8 +551,8 @@ static int __add_to_page_cache_locked(struct page *page,
struct mem_cgroup *memcg;
int error;

- VM_BUG_ON_PAGE(!PageLocked(page), page);
- VM_BUG_ON_PAGE(PageSwapBacked(page), page);
+ VM_BUG_ON(!PageLocked(page), page);
+ VM_BUG_ON(PageSwapBacked(page), page);

if (!huge) {
error = mem_cgroup_try_charge(page, current->mm,
@@ -744,7 +744,7 @@ EXPORT_SYMBOL_GPL(add_page_wait_queue);
*/
void unlock_page(struct page *page)
{
- VM_BUG_ON_PAGE(!PageLocked(page), page);
+ VM_BUG_ON(!PageLocked(page), page);
clear_bit_unlock(PG_locked, &page->flags);
smp_mb__after_atomic();
wake_up_page(page, PG_locked);
@@ -1035,7 +1035,7 @@ repeat:
page_cache_release(page);
goto repeat;
}
- VM_BUG_ON_PAGE(page->index != offset, page);
+ VM_BUG_ON(page->index != offset, page);
}
return page;
}
@@ -1095,7 +1095,7 @@ repeat:
page_cache_release(page);
goto repeat;
}
- VM_BUG_ON_PAGE(page->index != offset, page);
+ VM_BUG_ON(page->index != offset, page);
}

if (page && (fgp_flags & FGP_ACCESSED))
@@ -1916,7 +1916,7 @@ retry_find:
put_page(page);
goto retry_find;
}
- VM_BUG_ON_PAGE(page->index != offset, page);
+ VM_BUG_ON(page->index != offset, page);

/*
* We have a locked page in the page cache, now we need to check
diff --git a/mm/huge_memory.c b/mm/huge_memory.c
index ba5dc2f14575..83e881610f96 100644
--- a/mm/huge_memory.c
+++ b/mm/huge_memory.c
@@ -719,7 +719,7 @@ static int __do_huge_pmd_anonymous_page(struct mm_struct *mm,
pgtable_t pgtable;
spinlock_t *ptl;

- VM_BUG_ON_PAGE(!PageCompound(page), page);
+ VM_BUG_ON(!PageCompound(page), page);

if (mem_cgroup_try_charge(page, mm, GFP_TRANSHUGE, &memcg))
return VM_FAULT_OOM;
@@ -902,7 +902,7 @@ int copy_huge_pmd(struct mm_struct *dst_mm, struct mm_struct *src_mm,
goto out;
}
src_page = pmd_page(pmd);
- VM_BUG_ON_PAGE(!PageHead(src_page), src_page);
+ VM_BUG_ON(!PageHead(src_page), src_page);
get_page(src_page);
page_dup_rmap(src_page);
add_mm_counter(dst_mm, MM_ANONPAGES, HPAGE_PMD_NR);
@@ -1034,7 +1034,7 @@ static int do_huge_pmd_wp_page_fallback(struct mm_struct *mm,
ptl = pmd_lock(mm, pmd);
if (unlikely(!pmd_same(*pmd, orig_pmd)))
goto out_free_pages;
- VM_BUG_ON_PAGE(!PageHead(page), page);
+ VM_BUG_ON(!PageHead(page), page);

pmdp_clear_flush(vma, haddr, pmd);
/* leave pmd empty until pte is filled */
@@ -1105,7 +1105,7 @@ int do_huge_pmd_wp_page(struct mm_struct *mm, struct vm_area_struct *vma,
goto out_unlock;

page = pmd_page(orig_pmd);
- VM_BUG_ON_PAGE(!PageCompound(page) || !PageHead(page), page);
+ VM_BUG_ON(!PageCompound(page) || !PageHead(page), page);
if (page_mapcount(page) == 1) {
pmd_t entry;
entry = pmd_mkyoung(orig_pmd);
@@ -1189,7 +1189,7 @@ alloc:
add_mm_counter(mm, MM_ANONPAGES, HPAGE_PMD_NR);
put_huge_zero_page();
} else {
- VM_BUG_ON_PAGE(!PageHead(page), page);
+ VM_BUG_ON(!PageHead(page), page);
page_remove_rmap(page);
put_page(page);
}
@@ -1227,7 +1227,7 @@ struct page *follow_trans_huge_pmd(struct vm_area_struct *vma,
goto out;

page = pmd_page(*pmd);
- VM_BUG_ON_PAGE(!PageHead(page), page);
+ VM_BUG_ON(!PageHead(page), page);
if (flags & FOLL_TOUCH) {
pmd_t _pmd;
/*
@@ -1252,7 +1252,7 @@ struct page *follow_trans_huge_pmd(struct vm_area_struct *vma,
}
}
page += (addr & ~HPAGE_PMD_MASK) >> PAGE_SHIFT;
- VM_BUG_ON_PAGE(!PageCompound(page), page);
+ VM_BUG_ON(!PageCompound(page), page);
if (flags & FOLL_GET)
get_page_foll(page);

@@ -1410,9 +1410,9 @@ int zap_huge_pmd(struct mmu_gather *tlb, struct vm_area_struct *vma,
} else {
page = pmd_page(orig_pmd);
page_remove_rmap(page);
- VM_BUG_ON_PAGE(page_mapcount(page) < 0, page);
+ VM_BUG_ON(page_mapcount(page) < 0, page);
add_mm_counter(tlb->mm, MM_ANONPAGES, -HPAGE_PMD_NR);
- VM_BUG_ON_PAGE(!PageHead(page), page);
+ VM_BUG_ON(!PageHead(page), page);
atomic_long_dec(&tlb->mm->nr_ptes);
spin_unlock(ptl);
tlb_remove_page(tlb, page);
@@ -2159,9 +2159,9 @@ static int __collapse_huge_page_isolate(struct vm_area_struct *vma,
if (unlikely(!page))
goto out;

- VM_BUG_ON_PAGE(PageCompound(page), page);
- VM_BUG_ON_PAGE(!PageAnon(page), page);
- VM_BUG_ON_PAGE(!PageSwapBacked(page), page);
+ VM_BUG_ON(PageCompound(page), page);
+ VM_BUG_ON(!PageAnon(page), page);
+ VM_BUG_ON(!PageSwapBacked(page), page);

/* cannot use mapcount: can't collapse if there's a gup pin */
if (page_count(page) != 1)
@@ -2184,8 +2184,8 @@ static int __collapse_huge_page_isolate(struct vm_area_struct *vma,
}
/* 0 stands for page_is_file_cache(page) == false */
inc_zone_page_state(page, NR_ISOLATED_ANON + 0);
- VM_BUG_ON_PAGE(!PageLocked(page), page);
- VM_BUG_ON_PAGE(PageLRU(page), page);
+ VM_BUG_ON(!PageLocked(page), page);
+ VM_BUG_ON(PageLRU(page), page);

/* If there is no mapped pte young don't collapse the page */
if (pte_young(pteval) || PageReferenced(page) ||
@@ -2215,7 +2215,7 @@ static void __collapse_huge_page_copy(pte_t *pte, struct page *page,
} else {
src_page = pte_page(pteval);
copy_user_highpage(page, src_page, address, vma);
- VM_BUG_ON_PAGE(page_mapcount(src_page) != 1, src_page);
+ VM_BUG_ON(page_mapcount(src_page) != 1, src_page);
release_pte_page(src_page);
/*
* ptl mostly unnecessary, but preempt has to
@@ -2318,7 +2318,7 @@ static struct page
struct vm_area_struct *vma, unsigned long address,
int node)
{
- VM_BUG_ON_PAGE(*hpage, *hpage);
+ VM_BUG_ON(*hpage, *hpage);

/*
* Before allocating the hugepage, release the mmap_sem read lock.
@@ -2583,7 +2583,7 @@ static int khugepaged_scan_pmd(struct mm_struct *mm,
if (khugepaged_scan_abort(node))
goto out_unmap;
khugepaged_node_load[node]++;
- VM_BUG_ON_PAGE(PageCompound(page), page);
+ VM_BUG_ON(PageCompound(page), page);
if (!PageLRU(page) || PageLocked(page) || !PageAnon(page))
goto out_unmap;
/* cannot use mapcount: can't collapse if there's a gup pin */
@@ -2879,7 +2879,7 @@ again:
return;
}
page = pmd_page(*pmd);
- VM_BUG_ON_PAGE(!page_count(page), page);
+ VM_BUG_ON(!page_count(page), page);
get_page(page);
spin_unlock(ptl);
mmu_notifier_invalidate_range_end(mm, mmun_start, mmun_end);
diff --git a/mm/hugetlb.c b/mm/hugetlb.c
index 1ecb625bc498..f537e7d1ac92 100644
--- a/mm/hugetlb.c
+++ b/mm/hugetlb.c
@@ -832,7 +832,7 @@ static void update_and_free_page(struct hstate *h, struct page *page)
1 << PG_active | 1 << PG_private |
1 << PG_writeback);
}
- VM_BUG_ON_PAGE(hugetlb_cgroup_from_page(page), page);
+ VM_BUG_ON(hugetlb_cgroup_from_page(page), page);
set_compound_page_dtor(page, NULL);
set_page_refcounted(page);
if (hstate_is_gigantic(h)) {
@@ -1269,7 +1269,7 @@ retry:
* no users -- drop the buddy allocator's reference.
*/
put_page_testzero(page);
- VM_BUG_ON_PAGE(page_count(page), page);
+ VM_BUG_ON(page_count(page), page);
enqueue_huge_page(h, page);
}
free:
@@ -3779,7 +3779,7 @@ int dequeue_hwpoisoned_huge_page(struct page *hpage)

bool isolate_huge_page(struct page *page, struct list_head *list)
{
- VM_BUG_ON_PAGE(!PageHead(page), page);
+ VM_BUG_ON(!PageHead(page), page);
if (!get_page_unless_zero(page))
return false;
spin_lock(&hugetlb_lock);
@@ -3790,7 +3790,7 @@ bool isolate_huge_page(struct page *page, struct list_head *list)

void putback_active_hugepage(struct page *page)
{
- VM_BUG_ON_PAGE(!PageHead(page), page);
+ VM_BUG_ON(!PageHead(page), page);
spin_lock(&hugetlb_lock);
list_move_tail(&page->lru, &(page_hstate(page))->hugepage_activelist);
spin_unlock(&hugetlb_lock);
@@ -3799,7 +3799,7 @@ void putback_active_hugepage(struct page *page)

bool is_hugepage_active(struct page *page)
{
- VM_BUG_ON_PAGE(!PageHuge(page), page);
+ VM_BUG_ON(!PageHuge(page), page);
/*
* This function can be called for a tail page because the caller,
* scan_movable_pages, scans through a given pfn-range which typically
diff --git a/mm/hugetlb_cgroup.c b/mm/hugetlb_cgroup.c
index a67c26e0f360..7738634f929e 100644
--- a/mm/hugetlb_cgroup.c
+++ b/mm/hugetlb_cgroup.c
@@ -390,7 +390,7 @@ void hugetlb_cgroup_migrate(struct page *oldhpage, struct page *newhpage)
if (hugetlb_cgroup_disabled())
return;

- VM_BUG_ON_PAGE(!PageHuge(oldhpage), oldhpage);
+ VM_BUG_ON(!PageHuge(oldhpage), oldhpage);
spin_lock(&hugetlb_lock);
h_cg = hugetlb_cgroup_from_page(oldhpage);
set_hugetlb_cgroup(oldhpage, NULL);
diff --git a/mm/internal.h b/mm/internal.h
index 829304090b90..69fb41bf665f 100644
--- a/mm/internal.h
+++ b/mm/internal.h
@@ -42,8 +42,8 @@ static inline unsigned long ra_submit(struct file_ra_state *ra,
*/
static inline void set_page_refcounted(struct page *page)
{
- VM_BUG_ON_PAGE(PageTail(page), page);
- VM_BUG_ON_PAGE(atomic_read(&page->_count), page);
+ VM_BUG_ON(PageTail(page), page);
+ VM_BUG_ON(atomic_read(&page->_count), page);
set_page_count(page, 1);
}

@@ -61,7 +61,7 @@ static inline void __get_page_tail_foll(struct page *page,
* speculative page access (like in
* page_cache_get_speculative()) on tail pages.
*/
- VM_BUG_ON_PAGE(atomic_read(&page->first_page->_count) <= 0, page);
+ VM_BUG_ON(atomic_read(&page->first_page->_count) <= 0, page);
if (get_page_head)
atomic_inc(&page->first_page->_count);
get_huge_page_tail(page);
@@ -86,7 +86,7 @@ static inline void get_page_foll(struct page *page)
* Getting a normal page or the head of a compound page
* requires to already have an elevated page->_count.
*/
- VM_BUG_ON_PAGE(atomic_read(&page->_count) <= 0, page);
+ VM_BUG_ON(atomic_read(&page->_count) <= 0, page);
atomic_inc(&page->_count);
}
}
diff --git a/mm/ksm.c b/mm/ksm.c
index fb7590222706..a2323ffdfb09 100644
--- a/mm/ksm.c
+++ b/mm/ksm.c
@@ -1897,13 +1897,13 @@ int rmap_walk_ksm(struct page *page, struct rmap_walk_control *rwc)
int ret = SWAP_AGAIN;
int search_new_forks = 0;

- VM_BUG_ON_PAGE(!PageKsm(page), page);
+ VM_BUG_ON(!PageKsm(page), page);

/*
* Rely on the page lock to protect against concurrent modifications
* to that page's node of the stable tree.
*/
- VM_BUG_ON_PAGE(!PageLocked(page), page);
+ VM_BUG_ON(!PageLocked(page), page);

stable_node = page_stable_node(page);
if (!stable_node)
@@ -1957,13 +1957,13 @@ void ksm_migrate_page(struct page *newpage, struct page *oldpage)
{
struct stable_node *stable_node;

- VM_BUG_ON_PAGE(!PageLocked(oldpage), oldpage);
- VM_BUG_ON_PAGE(!PageLocked(newpage), newpage);
- VM_BUG_ON_PAGE(newpage->mapping != oldpage->mapping, newpage);
+ VM_BUG_ON(!PageLocked(oldpage), oldpage);
+ VM_BUG_ON(!PageLocked(newpage), newpage);
+ VM_BUG_ON(newpage->mapping != oldpage->mapping, newpage);

stable_node = page_stable_node(newpage);
if (stable_node) {
- VM_BUG_ON_PAGE(stable_node->kpfn != page_to_pfn(oldpage), oldpage);
+ VM_BUG_ON(stable_node->kpfn != page_to_pfn(oldpage), oldpage);
stable_node->kpfn = page_to_pfn(newpage);
/*
* newpage->mapping was set in advance; now we need smp_wmb()
diff --git a/mm/memcontrol.c b/mm/memcontrol.c
index 23976fd885fd..d67629b45b5e 100644
--- a/mm/memcontrol.c
+++ b/mm/memcontrol.c
@@ -2661,7 +2661,7 @@ struct mem_cgroup *try_get_mem_cgroup_from_page(struct page *page)
unsigned short id;
swp_entry_t ent;

- VM_BUG_ON_PAGE(!PageLocked(page), page);
+ VM_BUG_ON(!PageLocked(page), page);

pc = lookup_page_cgroup(page);
if (PageCgroupUsed(pc)) {
@@ -2704,7 +2704,7 @@ static void unlock_page_lru(struct page *page, int isolated)
struct lruvec *lruvec;

lruvec = mem_cgroup_page_lruvec(page, zone);
- VM_BUG_ON_PAGE(PageLRU(page), page);
+ VM_BUG_ON(PageLRU(page), page);
SetPageLRU(page);
add_page_to_lru_list(page, lruvec, page_lru(page));
}
@@ -2717,7 +2717,7 @@ static void commit_charge(struct page *page, struct mem_cgroup *memcg,
struct page_cgroup *pc = lookup_page_cgroup(page);
int isolated;

- VM_BUG_ON_PAGE(PageCgroupUsed(pc), page);
+ VM_BUG_ON(PageCgroupUsed(pc), page);
/*
* we don't need page_cgroup_lock about tail pages, becase they are not
* accessed by any other context at this point.
@@ -3297,7 +3297,7 @@ void __memcg_kmem_uncharge_pages(struct page *page, int order)
if (!memcg)
return;

- VM_BUG_ON_PAGE(mem_cgroup_is_root(memcg), page);
+ VM_BUG_ON(mem_cgroup_is_root(memcg), page);
memcg_uncharge_kmem(memcg, PAGE_SIZE << order);
}
#else
@@ -3360,7 +3360,7 @@ static int mem_cgroup_move_account(struct page *page,
int ret;

VM_BUG_ON(from == to);
- VM_BUG_ON_PAGE(PageLRU(page), page);
+ VM_BUG_ON(PageLRU(page), page);
/*
* The page is isolated from LRU. So, collapse function
* will not handle this page. But page splitting can happen.
@@ -3470,7 +3470,7 @@ static int mem_cgroup_move_parent(struct page *page,
parent = root_mem_cgroup;

if (nr_pages > 1) {
- VM_BUG_ON_PAGE(!PageTransHuge(page), page);
+ VM_BUG_ON(!PageTransHuge(page), page);
flags = compound_lock_irqsave(page);
}

@@ -5801,7 +5801,7 @@ static enum mc_target_type get_mctgt_type_thp(struct vm_area_struct *vma,
enum mc_target_type ret = MC_TARGET_NONE;

page = pmd_page(pmd);
- VM_BUG_ON_PAGE(!page || !PageHead(page), page);
+ VM_BUG_ON(!page || !PageHead(page), page);
if (!move_anon())
return ret;
pc = lookup_page_cgroup(page);
@@ -6244,8 +6244,8 @@ void mem_cgroup_swapout(struct page *page, swp_entry_t entry)
struct page_cgroup *pc;
unsigned short oldid;

- VM_BUG_ON_PAGE(PageLRU(page), page);
- VM_BUG_ON_PAGE(page_count(page), page);
+ VM_BUG_ON(PageLRU(page), page);
+ VM_BUG_ON(page_count(page), page);

if (!do_swap_account)
return;
@@ -6256,10 +6256,10 @@ void mem_cgroup_swapout(struct page *page, swp_entry_t entry)
if (!PageCgroupUsed(pc))
return;

- VM_BUG_ON_PAGE(!(pc->flags & PCG_MEMSW), page);
+ VM_BUG_ON(!(pc->flags & PCG_MEMSW), page);

oldid = swap_cgroup_record(entry, mem_cgroup_id(pc->mem_cgroup));
- VM_BUG_ON_PAGE(oldid, page);
+ VM_BUG_ON(oldid, page);

pc->flags &= ~PCG_MEMSW;
css_get(&pc->mem_cgroup->css);
@@ -6335,7 +6335,7 @@ int mem_cgroup_try_charge(struct page *page, struct mm_struct *mm,

if (PageTransHuge(page)) {
nr_pages <<= compound_order(page);
- VM_BUG_ON_PAGE(!PageTransHuge(page), page);
+ VM_BUG_ON(!PageTransHuge(page), page);
}

if (do_swap_account && PageSwapCache(page))
@@ -6377,8 +6377,8 @@ void mem_cgroup_commit_charge(struct page *page, struct mem_cgroup *memcg,
{
unsigned int nr_pages = 1;

- VM_BUG_ON_PAGE(!page->mapping, page);
- VM_BUG_ON_PAGE(PageLRU(page) && !lrucare, page);
+ VM_BUG_ON(!page->mapping, page);
+ VM_BUG_ON(PageLRU(page) && !lrucare, page);

if (mem_cgroup_disabled())
return;
@@ -6394,7 +6394,7 @@ void mem_cgroup_commit_charge(struct page *page, struct mem_cgroup *memcg,

if (PageTransHuge(page)) {
nr_pages <<= compound_order(page);
- VM_BUG_ON_PAGE(!PageTransHuge(page), page);
+ VM_BUG_ON(!PageTransHuge(page), page);
}

local_irq_disable();
@@ -6436,7 +6436,7 @@ void mem_cgroup_cancel_charge(struct page *page, struct mem_cgroup *memcg)

if (PageTransHuge(page)) {
nr_pages <<= compound_order(page);
- VM_BUG_ON_PAGE(!PageTransHuge(page), page);
+ VM_BUG_ON(!PageTransHuge(page), page);
}

cancel_charge(memcg, nr_pages);
@@ -6489,8 +6489,8 @@ static void uncharge_list(struct list_head *page_list)
page = list_entry(next, struct page, lru);
next = page->lru.next;

- VM_BUG_ON_PAGE(PageLRU(page), page);
- VM_BUG_ON_PAGE(page_count(page), page);
+ VM_BUG_ON(PageLRU(page), page);
+ VM_BUG_ON(page_count(page), page);

pc = lookup_page_cgroup(page);
if (!PageCgroupUsed(pc))
@@ -6514,7 +6514,7 @@ static void uncharge_list(struct list_head *page_list)

if (PageTransHuge(page)) {
nr_pages <<= compound_order(page);
- VM_BUG_ON_PAGE(!PageTransHuge(page), page);
+ VM_BUG_ON(!PageTransHuge(page), page);
nr_huge += nr_pages;
}

@@ -6592,12 +6592,12 @@ void mem_cgroup_migrate(struct page *oldpage, struct page *newpage,
struct page_cgroup *pc;
int isolated;

- VM_BUG_ON_PAGE(!PageLocked(oldpage), oldpage);
- VM_BUG_ON_PAGE(!PageLocked(newpage), newpage);
- VM_BUG_ON_PAGE(!lrucare && PageLRU(oldpage), oldpage);
- VM_BUG_ON_PAGE(!lrucare && PageLRU(newpage), newpage);
- VM_BUG_ON_PAGE(PageAnon(oldpage) != PageAnon(newpage), newpage);
- VM_BUG_ON_PAGE(PageTransHuge(oldpage) != PageTransHuge(newpage),
+ VM_BUG_ON(!PageLocked(oldpage), oldpage);
+ VM_BUG_ON(!PageLocked(newpage), newpage);
+ VM_BUG_ON(!lrucare && PageLRU(oldpage), oldpage);
+ VM_BUG_ON(!lrucare && PageLRU(newpage), newpage);
+ VM_BUG_ON(PageAnon(oldpage) != PageAnon(newpage), newpage);
+ VM_BUG_ON(PageTransHuge(oldpage) != PageTransHuge(newpage),
newpage);

if (mem_cgroup_disabled())
@@ -6613,8 +6613,8 @@ void mem_cgroup_migrate(struct page *oldpage, struct page *newpage,
if (!PageCgroupUsed(pc))
return;

- VM_BUG_ON_PAGE(!(pc->flags & PCG_MEM), oldpage);
- VM_BUG_ON_PAGE(do_swap_account && !(pc->flags & PCG_MEMSW), oldpage);
+ VM_BUG_ON(!(pc->flags & PCG_MEM), oldpage);
+ VM_BUG_ON(do_swap_account && !(pc->flags & PCG_MEMSW), oldpage);

if (lrucare)
lock_page_lru(oldpage, &isolated);
diff --git a/mm/memory.c b/mm/memory.c
index 64f82aacb0ce..919bd3ff71e6 100644
--- a/mm/memory.c
+++ b/mm/memory.c
@@ -301,7 +301,7 @@ int __tlb_remove_page(struct mmu_gather *tlb, struct page *page)
return 0;
batch = tlb->active;
}
- VM_BUG_ON_PAGE(batch->nr > batch->max, page);
+ VM_BUG_ON(batch->nr > batch->max, page);

return batch->max - batch->nr;
}
@@ -2014,7 +2014,7 @@ static int do_page_mkwrite(struct vm_area_struct *vma, struct page *page,
}
ret |= VM_FAULT_LOCKED;
} else
- VM_BUG_ON_PAGE(!PageLocked(page), page);
+ VM_BUG_ON(!PageLocked(page), page);
return ret;
}

@@ -2725,7 +2725,7 @@ static int __do_fault(struct vm_area_struct *vma, unsigned long address,
if (unlikely(!(ret & VM_FAULT_LOCKED)))
lock_page(vmf.page);
else
- VM_BUG_ON_PAGE(!PageLocked(vmf.page), vmf.page);
+ VM_BUG_ON(!PageLocked(vmf.page), vmf.page);

*page = vmf.page;
return ret;
diff --git a/mm/migrate.c b/mm/migrate.c
index c9b5d13b3988..8bc25db0e864 100644
--- a/mm/migrate.c
+++ b/mm/migrate.c
@@ -529,7 +529,7 @@ void migrate_page_copy(struct page *newpage, struct page *page)
if (PageUptodate(page))
SetPageUptodate(newpage);
if (TestClearPageActive(page)) {
- VM_BUG_ON_PAGE(PageUnevictable(page), page);
+ VM_BUG_ON(PageUnevictable(page), page);
SetPageActive(newpage);
} else if (TestClearPageUnevictable(page))
SetPageUnevictable(newpage);
@@ -898,7 +898,7 @@ static int __unmap_and_move(struct page *page, struct page *newpage,
* free the metadata, so the page can be freed.
*/
if (!page->mapping) {
- VM_BUG_ON_PAGE(PageAnon(page), page);
+ VM_BUG_ON(PageAnon(page), page);
if (page_has_private(page)) {
try_to_free_buffers(page);
goto out_unlock;
@@ -1664,7 +1664,7 @@ static int numamigrate_isolate_page(pg_data_t *pgdat, struct page *page)
{
int page_lru;

- VM_BUG_ON_PAGE(compound_order(page) && !PageTransHuge(page), page);
+ VM_BUG_ON(compound_order(page) && !PageTransHuge(page), page);

/* Avoid migrating to a node that is nearly full */
if (!migrate_balanced_pgdat(pgdat, 1UL << compound_order(page)))
diff --git a/mm/mlock.c b/mm/mlock.c
index 73cf0987088c..af98bc02e164 100644
--- a/mm/mlock.c
+++ b/mm/mlock.c
@@ -288,8 +288,8 @@ static int __mlock_posix_error_return(long retval)
static bool __putback_lru_fast_prepare(struct page *page, struct pagevec *pvec,
int *pgrescued)
{
- VM_BUG_ON_PAGE(PageLRU(page), page);
- VM_BUG_ON_PAGE(!PageLocked(page), page);
+ VM_BUG_ON(PageLRU(page), page);
+ VM_BUG_ON(!PageLocked(page), page);

if (page_mapcount(page) <= 1 && page_evictable(page)) {
pagevec_add(pvec, page);
diff --git a/mm/page_alloc.c b/mm/page_alloc.c
index 736d8e1b6381..60d47937dea4 100644
--- a/mm/page_alloc.c
+++ b/mm/page_alloc.c
@@ -511,7 +511,7 @@ static inline int page_is_buddy(struct page *page, struct page *buddy,
return 0;

if (page_is_guard(buddy) && page_order(buddy) == order) {
- VM_BUG_ON_PAGE(page_count(buddy) != 0, buddy);
+ VM_BUG_ON(page_count(buddy) != 0, buddy);

if (page_zone_id(page) != page_zone_id(buddy))
return 0;
@@ -520,7 +520,7 @@ static inline int page_is_buddy(struct page *page, struct page *buddy,
}

if (PageBuddy(buddy) && page_order(buddy) == order) {
- VM_BUG_ON_PAGE(page_count(buddy) != 0, buddy);
+ VM_BUG_ON(page_count(buddy) != 0, buddy);

/*
* zone check is done late to avoid uselessly
@@ -580,8 +580,8 @@ static inline void __free_one_page(struct page *page,

page_idx = pfn & ((1 << MAX_ORDER) - 1);

- VM_BUG_ON_PAGE(page_idx & ((1 << order) - 1), page);
- VM_BUG_ON_PAGE(bad_range(zone, page), page);
+ VM_BUG_ON(page_idx & ((1 << order) - 1), page);
+ VM_BUG_ON(bad_range(zone, page), page);

while (order < MAX_ORDER-1) {
buddy_idx = __find_buddy_index(page_idx, order);
@@ -864,7 +864,7 @@ static inline void expand(struct zone *zone, struct page *page,
area--;
high--;
size >>= 1;
- VM_BUG_ON_PAGE(bad_range(zone, &page[size]), &page[size]);
+ VM_BUG_ON(bad_range(zone, &page[size]), &page[size]);

#ifdef CONFIG_DEBUG_PAGEALLOC
if (high < debug_guardpage_minorder()) {
@@ -1018,7 +1018,7 @@ int move_freepages(struct zone *zone,

for (page = start_page; page <= end_page;) {
/* Make sure we are not inadvertently changing nodes */
- VM_BUG_ON_PAGE(page_to_nid(page) != zone_to_nid(zone), page);
+ VM_BUG_ON(page_to_nid(page) != zone_to_nid(zone), page);

if (!pfn_valid_within(page_to_pfn(page))) {
page++;
@@ -1467,8 +1467,8 @@ void split_page(struct page *page, unsigned int order)
{
int i;

- VM_BUG_ON_PAGE(PageCompound(page), page);
- VM_BUG_ON_PAGE(!page_count(page), page);
+ VM_BUG_ON(PageCompound(page), page);
+ VM_BUG_ON(!page_count(page), page);

#ifdef CONFIG_KMEMCHECK
/*
@@ -1619,7 +1619,7 @@ again:
zone_statistics(preferred_zone, zone, gfp_flags);
local_irq_restore(flags);

- VM_BUG_ON_PAGE(bad_range(zone, page), page);
+ VM_BUG_ON(bad_range(zone, page), page);
if (prep_new_page(page, order, gfp_flags))
goto again;
return page;
@@ -6119,7 +6119,7 @@ void set_pfnblock_flags_mask(struct page *page, unsigned long flags,
word_bitidx = bitidx / BITS_PER_LONG;
bitidx &= (BITS_PER_LONG-1);

- VM_BUG_ON_PAGE(!zone_spans_pfn(zone, pfn), page);
+ VM_BUG_ON(!zone_spans_pfn(zone, pfn), page);

bitidx += end_bitidx;
mask <<= (BITS_PER_LONG - bitidx - 1);
diff --git a/mm/page_io.c b/mm/page_io.c
index 955db8b0d497..417c3e92a560 100644
--- a/mm/page_io.c
+++ b/mm/page_io.c
@@ -339,8 +339,8 @@ int swap_readpage(struct page *page)
int ret = 0;
struct swap_info_struct *sis = page_swap_info(page);

- VM_BUG_ON_PAGE(!PageLocked(page), page);
- VM_BUG_ON_PAGE(PageUptodate(page), page);
+ VM_BUG_ON(!PageLocked(page), page);
+ VM_BUG_ON(PageUptodate(page), page);
if (frontswap_load(page) == 0) {
SetPageUptodate(page);
unlock_page(page);
diff --git a/mm/rmap.c b/mm/rmap.c
index 116a5053415b..cc9cf848472c 100644
--- a/mm/rmap.c
+++ b/mm/rmap.c
@@ -896,9 +896,9 @@ void page_move_anon_rmap(struct page *page,
{
struct anon_vma *anon_vma = vma->anon_vma;

- VM_BUG_ON_PAGE(!PageLocked(page), page);
+ VM_BUG_ON(!PageLocked(page), page);
VM_BUG_ON_VMA(!anon_vma, vma);
- VM_BUG_ON_PAGE(page->index != linear_page_index(vma, address), page);
+ VM_BUG_ON(page->index != linear_page_index(vma, address), page);

anon_vma = (void *) anon_vma + PAGE_MAPPING_ANON;
page->mapping = (struct address_space *) anon_vma;
@@ -1003,7 +1003,7 @@ void do_page_add_anon_rmap(struct page *page,
if (unlikely(PageKsm(page)))
return;

- VM_BUG_ON_PAGE(!PageLocked(page), page);
+ VM_BUG_ON(!PageLocked(page), page);
/* address might be in next vma when migration races vma_adjust */
if (first)
__page_set_anon_rmap(page, vma, address, exclusive);
@@ -1513,7 +1513,7 @@ int try_to_unmap(struct page *page, enum ttu_flags flags)
.anon_lock = page_lock_anon_vma_read,
};

- VM_BUG_ON_PAGE(!PageHuge(page) && PageTransHuge(page), page);
+ VM_BUG_ON(!PageHuge(page) && PageTransHuge(page), page);

/*
* During exec, a temporary VMA is setup and later moved.
@@ -1565,7 +1565,7 @@ int try_to_munlock(struct page *page)

};

- VM_BUG_ON_PAGE(!PageLocked(page) || PageLRU(page), page);
+ VM_BUG_ON(!PageLocked(page) || PageLRU(page), page);

ret = rmap_walk(page, &rwc);
return ret;
@@ -1670,7 +1670,7 @@ static int rmap_walk_file(struct page *page, struct rmap_walk_control *rwc)
* structure at mapping cannot be freed and reused yet,
* so we can safely take mapping->i_mmap_mutex.
*/
- VM_BUG_ON_PAGE(!PageLocked(page), page);
+ VM_BUG_ON(!PageLocked(page), page);

if (!mapping)
return ret;
diff --git a/mm/shmem.c b/mm/shmem.c
index cd6fc7590e54..f41bc1211680 100644
--- a/mm/shmem.c
+++ b/mm/shmem.c
@@ -300,8 +300,8 @@ static int shmem_add_to_page_cache(struct page *page,
{
int error;

- VM_BUG_ON_PAGE(!PageLocked(page), page);
- VM_BUG_ON_PAGE(!PageSwapBacked(page), page);
+ VM_BUG_ON(!PageLocked(page), page);
+ VM_BUG_ON(!PageSwapBacked(page), page);

page_cache_get(page);
page->mapping = mapping;
@@ -441,7 +441,7 @@ static void shmem_undo_range(struct inode *inode, loff_t lstart, loff_t lend,
continue;
if (!unfalloc || !PageUptodate(page)) {
if (page->mapping == mapping) {
- VM_BUG_ON_PAGE(PageWriteback(page), page);
+ VM_BUG_ON(PageWriteback(page), page);
truncate_inode_page(mapping, page);
}
}
@@ -518,7 +518,7 @@ static void shmem_undo_range(struct inode *inode, loff_t lstart, loff_t lend,
lock_page(page);
if (!unfalloc || !PageUptodate(page)) {
if (page->mapping == mapping) {
- VM_BUG_ON_PAGE(PageWriteback(page), page);
+ VM_BUG_ON(PageWriteback(page), page);
truncate_inode_page(mapping, page);
} else {
/* Page was replaced by swap: retry */
diff --git a/mm/swap.c b/mm/swap.c
index 39affa1932ce..2268f8bd4d08 100644
--- a/mm/swap.c
+++ b/mm/swap.c
@@ -57,7 +57,7 @@ static void __page_cache_release(struct page *page)

spin_lock_irqsave(&zone->lru_lock, flags);
lruvec = mem_cgroup_page_lruvec(page, zone);
- VM_BUG_ON_PAGE(!PageLRU(page), page);
+ VM_BUG_ON(!PageLRU(page), page);
__ClearPageLRU(page);
del_page_from_lru_list(page, lruvec, page_off_lru(page));
spin_unlock_irqrestore(&zone->lru_lock, flags);
@@ -122,8 +122,8 @@ void put_unrefcounted_compound_page(struct page *page_head, struct page *page)
* __split_huge_page_refcount cannot race
* here, see the comment above this function.
*/
- VM_BUG_ON_PAGE(!PageHead(page_head), page_head);
- VM_BUG_ON_PAGE(page_mapcount(page) != 0, page);
+ VM_BUG_ON(!PageHead(page_head), page_head);
+ VM_BUG_ON(page_mapcount(page) != 0, page);
if (put_page_testzero(page_head)) {
/*
* If this is the tail of a slab THP page,
@@ -139,7 +139,7 @@ void put_unrefcounted_compound_page(struct page *page_head, struct page *page)
* not go away until the compound page enters
* the buddy allocator.
*/
- VM_BUG_ON_PAGE(PageSlab(page_head), page_head);
+ VM_BUG_ON(PageSlab(page_head), page_head);
__put_compound_page(page_head);
}
} else
@@ -193,7 +193,7 @@ out_put_single:
__put_single_page(page);
return;
}
- VM_BUG_ON_PAGE(page_head != page->first_page, page);
+ VM_BUG_ON(page_head != page->first_page, page);
/*
* We can release the refcount taken by
* get_page_unless_zero() now that
@@ -201,12 +201,12 @@ out_put_single:
* compound_lock.
*/
if (put_page_testzero(page_head))
- VM_BUG_ON_PAGE(1, page_head);
+ VM_BUG_ON(1, page_head);
/* __split_huge_page_refcount will wait now */
- VM_BUG_ON_PAGE(page_mapcount(page) <= 0, page);
+ VM_BUG_ON(page_mapcount(page) <= 0, page);
atomic_dec(&page->_mapcount);
- VM_BUG_ON_PAGE(atomic_read(&page_head->_count) <= 0, page_head);
- VM_BUG_ON_PAGE(atomic_read(&page->_count) != 0, page);
+ VM_BUG_ON(atomic_read(&page_head->_count) <= 0, page_head);
+ VM_BUG_ON(atomic_read(&page->_count) != 0, page);
compound_unlock_irqrestore(page_head, flags);

if (put_page_testzero(page_head)) {
@@ -217,7 +217,7 @@ out_put_single:
}
} else {
/* @page_head is a dangling pointer */
- VM_BUG_ON_PAGE(PageTail(page), page);
+ VM_BUG_ON(PageTail(page), page);
goto out_put_single;
}
}
@@ -297,7 +297,7 @@ bool __get_page_tail(struct page *page)
* page. __split_huge_page_refcount
* cannot race here.
*/
- VM_BUG_ON_PAGE(!PageHead(page_head), page_head);
+ VM_BUG_ON(!PageHead(page_head), page_head);
__get_page_tail_foll(page, true);
return true;
} else {
@@ -659,8 +659,8 @@ EXPORT_SYMBOL(lru_cache_add_file);
*/
void lru_cache_add(struct page *page)
{
- VM_BUG_ON_PAGE(PageActive(page) && PageUnevictable(page), page);
- VM_BUG_ON_PAGE(PageLRU(page), page);
+ VM_BUG_ON(PageActive(page) && PageUnevictable(page), page);
+ VM_BUG_ON(PageLRU(page), page);
__lru_cache_add(page);
}

@@ -701,7 +701,7 @@ void add_page_to_unevictable_list(struct page *page)
void lru_cache_add_active_or_unevictable(struct page *page,
struct vm_area_struct *vma)
{
- VM_BUG_ON_PAGE(PageLRU(page), page);
+ VM_BUG_ON(PageLRU(page), page);

if (likely((vma->vm_flags & (VM_LOCKED | VM_SPECIAL)) != VM_LOCKED)) {
SetPageActive(page);
@@ -934,7 +934,7 @@ void release_pages(struct page **pages, int nr, bool cold)
}

lruvec = mem_cgroup_page_lruvec(page, zone);
- VM_BUG_ON_PAGE(!PageLRU(page), page);
+ VM_BUG_ON(!PageLRU(page), page);
__ClearPageLRU(page);
del_page_from_lru_list(page, lruvec, page_off_lru(page));

@@ -987,9 +987,9 @@ void lru_add_page_tail(struct page *page, struct page *page_tail,
{
const int file = 0;

- VM_BUG_ON_PAGE(!PageHead(page), page);
- VM_BUG_ON_PAGE(PageCompound(page_tail), page);
- VM_BUG_ON_PAGE(PageLRU(page_tail), page);
+ VM_BUG_ON(!PageHead(page), page);
+ VM_BUG_ON(PageCompound(page_tail), page);
+ VM_BUG_ON(PageLRU(page_tail), page);
VM_BUG_ON(NR_CPUS != 1 &&
!spin_is_locked(&lruvec_zone(lruvec)->lru_lock));

@@ -1028,7 +1028,7 @@ static void __pagevec_lru_add_fn(struct page *page, struct lruvec *lruvec,
int active = PageActive(page);
enum lru_list lru = page_lru(page);

- VM_BUG_ON_PAGE(PageLRU(page), page);
+ VM_BUG_ON(PageLRU(page), page);

SetPageLRU(page);
add_page_to_lru_list(page, lruvec, lru);
diff --git a/mm/swap_state.c b/mm/swap_state.c
index 154444918685..d770e8f0a8d2 100644
--- a/mm/swap_state.c
+++ b/mm/swap_state.c
@@ -88,9 +88,9 @@ int __add_to_swap_cache(struct page *page, swp_entry_t entry)
int error;
struct address_space *address_space;

- VM_BUG_ON_PAGE(!PageLocked(page), page);
- VM_BUG_ON_PAGE(PageSwapCache(page), page);
- VM_BUG_ON_PAGE(!PageSwapBacked(page), page);
+ VM_BUG_ON(!PageLocked(page), page);
+ VM_BUG_ON(PageSwapCache(page), page);
+ VM_BUG_ON(!PageSwapBacked(page), page);

page_cache_get(page);
SetPageSwapCache(page);
@@ -144,9 +144,9 @@ void __delete_from_swap_cache(struct page *page)
swp_entry_t entry;
struct address_space *address_space;

- VM_BUG_ON_PAGE(!PageLocked(page), page);
- VM_BUG_ON_PAGE(!PageSwapCache(page), page);
- VM_BUG_ON_PAGE(PageWriteback(page), page);
+ VM_BUG_ON(!PageLocked(page), page);
+ VM_BUG_ON(!PageSwapCache(page), page);
+ VM_BUG_ON(PageWriteback(page), page);

entry.val = page_private(page);
address_space = swap_address_space(entry);
@@ -170,8 +170,8 @@ int add_to_swap(struct page *page, struct list_head *list)
swp_entry_t entry;
int err;

- VM_BUG_ON_PAGE(!PageLocked(page), page);
- VM_BUG_ON_PAGE(!PageUptodate(page), page);
+ VM_BUG_ON(!PageLocked(page), page);
+ VM_BUG_ON(!PageUptodate(page), page);

entry = get_swap_page();
if (!entry.val)
diff --git a/mm/swapfile.c b/mm/swapfile.c
index 8798b2e0ac59..39a2a105c968 100644
--- a/mm/swapfile.c
+++ b/mm/swapfile.c
@@ -884,7 +884,7 @@ int reuse_swap_page(struct page *page)
{
int count;

- VM_BUG_ON_PAGE(!PageLocked(page), page);
+ VM_BUG_ON(!PageLocked(page), page);
if (unlikely(PageKsm(page)))
return 0;
count = page_mapcount(page);
@@ -904,7 +904,7 @@ int reuse_swap_page(struct page *page)
*/
int try_to_free_swap(struct page *page)
{
- VM_BUG_ON_PAGE(!PageLocked(page), page);
+ VM_BUG_ON(!PageLocked(page), page);

if (!PageSwapCache(page))
return 0;
@@ -2710,7 +2710,7 @@ struct swap_info_struct *page_swap_info(struct page *page)
*/
struct address_space *__page_file_mapping(struct page *page)
{
- VM_BUG_ON_PAGE(!PageSwapCache(page), page);
+ VM_BUG_ON(!PageSwapCache(page), page);
return page_swap_info(page)->swap_file->f_mapping;
}
EXPORT_SYMBOL_GPL(__page_file_mapping);
@@ -2718,7 +2718,7 @@ EXPORT_SYMBOL_GPL(__page_file_mapping);
pgoff_t __page_file_index(struct page *page)
{
swp_entry_t swap = { .val = page_private(page) };
- VM_BUG_ON_PAGE(!PageSwapCache(page), page);
+ VM_BUG_ON(!PageSwapCache(page), page);
return swp_offset(swap);
}
EXPORT_SYMBOL_GPL(__page_file_index);
diff --git a/mm/vmscan.c b/mm/vmscan.c
index dcb47074ae03..c6b1b97d9408 100644
--- a/mm/vmscan.c
+++ b/mm/vmscan.c
@@ -647,7 +647,7 @@ void putback_lru_page(struct page *page)
bool is_unevictable;
int was_unevictable = PageUnevictable(page);

- VM_BUG_ON_PAGE(PageLRU(page), page);
+ VM_BUG_ON(PageLRU(page), page);

redo:
ClearPageUnevictable(page);
@@ -837,8 +837,8 @@ static unsigned long shrink_page_list(struct list_head *page_list,
if (!trylock_page(page))
goto keep;

- VM_BUG_ON_PAGE(PageActive(page), page);
- VM_BUG_ON_PAGE(page_zone(page) != zone, page);
+ VM_BUG_ON(PageActive(page), page);
+ VM_BUG_ON(page_zone(page) != zone, page);

sc->nr_scanned++;

@@ -1122,14 +1122,14 @@ activate_locked:
/* Not a candidate for swapping, so reclaim swap space. */
if (PageSwapCache(page) && vm_swap_full())
try_to_free_swap(page);
- VM_BUG_ON_PAGE(PageActive(page), page);
+ VM_BUG_ON(PageActive(page), page);
SetPageActive(page);
pgactivate++;
keep_locked:
unlock_page(page);
keep:
list_add(&page->lru, &ret_pages);
- VM_BUG_ON_PAGE(PageLRU(page) || PageUnevictable(page), page);
+ VM_BUG_ON(PageLRU(page) || PageUnevictable(page), page);
}

mem_cgroup_uncharge_list(&free_pages);
@@ -1284,7 +1284,7 @@ static unsigned long isolate_lru_pages(unsigned long nr_to_scan,
page = lru_to_page(src);
prefetchw_prev_lru_page(page, src, flags);

- VM_BUG_ON_PAGE(!PageLRU(page), page);
+ VM_BUG_ON(!PageLRU(page), page);

switch (__isolate_lru_page(page, mode)) {
case 0:
@@ -1339,7 +1339,7 @@ int isolate_lru_page(struct page *page)
{
int ret = -EBUSY;

- VM_BUG_ON_PAGE(!page_count(page), page);
+ VM_BUG_ON(!page_count(page), page);

if (PageLRU(page)) {
struct zone *zone = page_zone(page);
@@ -1410,7 +1410,7 @@ putback_inactive_pages(struct lruvec *lruvec, struct list_head *page_list)
struct page *page = lru_to_page(page_list);
int lru;

- VM_BUG_ON_PAGE(PageLRU(page), page);
+ VM_BUG_ON(PageLRU(page), page);
list_del(&page->lru);
if (unlikely(!page_evictable(page))) {
spin_unlock_irq(&zone->lru_lock);
@@ -1645,7 +1645,7 @@ static void move_active_pages_to_lru(struct lruvec *lruvec,
page = lru_to_page(list);
lruvec = mem_cgroup_page_lruvec(page, zone);

- VM_BUG_ON_PAGE(PageLRU(page), page);
+ VM_BUG_ON(PageLRU(page), page);
SetPageLRU(page);

nr_pages = hpage_nr_pages(page);
@@ -3783,7 +3783,7 @@ void check_move_unevictable_pages(struct page **pages, int nr_pages)
if (page_evictable(page)) {
enum lru_list lru = page_lru_base_type(page);

- VM_BUG_ON_PAGE(PageActive(page), page);
+ VM_BUG_ON(PageActive(page), page);
ClearPageUnevictable(page);
del_page_from_lru_list(page, lruvec, LRU_UNEVICTABLE);
add_page_to_lru_list(page, lruvec, lru);
--
2.1.0

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