[PATCH v5 3/3] s390: Remove remaining _PAGE_* macros

From: Vincenzo Frascino
Date: Mon Oct 14 2024 - 11:17:19 EST


The introduction of vdso/page.h made redundant the definition of
_PAGE_SHIFT, _PAGE_SIZE, _PAGE_MASK.

Refactor the code to remove the macros.

Cc: Heiko Carstens <hca@xxxxxxxxxxxxx>
Cc: Vasily Gorbik <gor@xxxxxxxxxxxxx>
Cc: Alexander Gordeev <agordeev@xxxxxxxxxxxxx>
Cc: Arnd Bergmann <arnd@xxxxxxxx>
Cc: Andy Lutomirski <luto@xxxxxxxxxx>
Cc: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
Cc: Jason A. Donenfeld <Jason@xxxxxxxxx>
Reported-by: kernel test robot <lkp@xxxxxxxxx>
Closes: https://lore.kernel.org/oe-kbuild-all/202410112106.mvc2U2p0-lkp@xxxxxxxxx/
Signed-off-by: Vincenzo Frascino <vincenzo.frascino@xxxxxxx>
---
arch/s390/include/asm/page.h | 3 ---
arch/s390/include/asm/pgtable.h | 2 +-
arch/s390/mm/fault.c | 2 +-
arch/s390/mm/gmap.c | 6 +++---
arch/s390/mm/pgalloc.c | 4 ++--
5 files changed, 7 insertions(+), 10 deletions(-)

diff --git a/arch/s390/include/asm/page.h b/arch/s390/include/asm/page.h
index dbc25dc5fa0a..b7ba87f89761 100644
--- a/arch/s390/include/asm/page.h
+++ b/arch/s390/include/asm/page.h
@@ -13,9 +13,6 @@

#include <vdso/page.h>

-#define _PAGE_SHIFT PAGE_SHIFT
-#define _PAGE_SIZE PAGE_SIZE
-#define _PAGE_MASK PAGE_MASK
#define PAGE_DEFAULT_ACC _AC(0, UL)
/* storage-protection override */
#define PAGE_SPO_ACC 9
diff --git a/arch/s390/include/asm/pgtable.h b/arch/s390/include/asm/pgtable.h
index 0ffbaf741955..8b67036edb69 100644
--- a/arch/s390/include/asm/pgtable.h
+++ b/arch/s390/include/asm/pgtable.h
@@ -338,7 +338,7 @@ static inline int is_module_addr(void *addr)
#define _REGION2_INDEX (0x7ffUL << _REGION2_SHIFT)
#define _REGION3_INDEX (0x7ffUL << _REGION3_SHIFT)
#define _SEGMENT_INDEX (0x7ffUL << _SEGMENT_SHIFT)
-#define _PAGE_INDEX (0xffUL << _PAGE_SHIFT)
+#define _PAGE_INDEX (0xffUL << PAGE_SHIFT)

#define _REGION1_SIZE (1UL << _REGION1_SHIFT)
#define _REGION2_SIZE (1UL << _REGION2_SHIFT)
diff --git a/arch/s390/mm/fault.c b/arch/s390/mm/fault.c
index ad8b0d6b77ea..12e10269dfcd 100644
--- a/arch/s390/mm/fault.c
+++ b/arch/s390/mm/fault.c
@@ -147,7 +147,7 @@ static void dump_pagetable(unsigned long asce, unsigned long address)
goto out;
table = __va(entry & _SEGMENT_ENTRY_ORIGIN);
}
- table += (address & _PAGE_INDEX) >> _PAGE_SHIFT;
+ table += (address & _PAGE_INDEX) >> PAGE_SHIFT;
if (get_kernel_nofault(entry, table))
goto bad;
pr_cont("P:%016lx ", entry);
diff --git a/arch/s390/mm/gmap.c b/arch/s390/mm/gmap.c
index eb0b51a36be0..346ec059c8bd 100644
--- a/arch/s390/mm/gmap.c
+++ b/arch/s390/mm/gmap.c
@@ -851,7 +851,7 @@ static inline unsigned long *gmap_table_walk(struct gmap *gmap,
if (*table & _REGION_ENTRY_INVALID)
return NULL;
table = __va(*table & _SEGMENT_ENTRY_ORIGIN);
- table += (gaddr & _PAGE_INDEX) >> _PAGE_SHIFT;
+ table += (gaddr & _PAGE_INDEX) >> PAGE_SHIFT;
}
return table;
}
@@ -1317,7 +1317,7 @@ static void gmap_unshadow_page(struct gmap *sg, unsigned long raddr)
table = gmap_table_walk(sg, raddr, 0); /* get page table pointer */
if (!table || *table & _PAGE_INVALID)
return;
- gmap_call_notifier(sg, raddr, raddr + _PAGE_SIZE - 1);
+ gmap_call_notifier(sg, raddr, raddr + PAGE_SIZE - 1);
ptep_unshadow_pte(sg->mm, raddr, (pte_t *) table);
}

@@ -1335,7 +1335,7 @@ static void __gmap_unshadow_pgt(struct gmap *sg, unsigned long raddr,
int i;

BUG_ON(!gmap_is_shadow(sg));
- for (i = 0; i < _PAGE_ENTRIES; i++, raddr += _PAGE_SIZE)
+ for (i = 0; i < _PAGE_ENTRIES; i++, raddr += PAGE_SIZE)
pgt[i] = _PAGE_INVALID;
}

diff --git a/arch/s390/mm/pgalloc.c b/arch/s390/mm/pgalloc.c
index f691e0fb66a2..58696a0c4e4a 100644
--- a/arch/s390/mm/pgalloc.c
+++ b/arch/s390/mm/pgalloc.c
@@ -278,7 +278,7 @@ static inline unsigned long base_##NAME##_addr_end(unsigned long addr, \
return (next - 1) < (end - 1) ? next : end; \
}

-BASE_ADDR_END_FUNC(page, _PAGE_SIZE)
+BASE_ADDR_END_FUNC(page, PAGE_SIZE)
BASE_ADDR_END_FUNC(segment, _SEGMENT_SIZE)
BASE_ADDR_END_FUNC(region3, _REGION3_SIZE)
BASE_ADDR_END_FUNC(region2, _REGION2_SIZE)
@@ -302,7 +302,7 @@ static int base_page_walk(unsigned long *origin, unsigned long addr,
if (!alloc)
return 0;
pte = origin;
- pte += (addr & _PAGE_INDEX) >> _PAGE_SHIFT;
+ pte += (addr & _PAGE_INDEX) >> PAGE_SHIFT;
do {
next = base_page_addr_end(addr, end);
*pte = base_lra(addr);
--
2.34.1