[PATCH v1 3/7] mm/mlock: add vma argument for mlock_vma_page()

[Konstantin Khlebnikov]

This will be used for recharging memory cgroup accounting.

Signed-off-by: Konstantin Khlebnikov <khlebnikov@xxxxxxxxxxxxxx>
---
 mm/gup.c         |    2 +-
 mm/huge_memory.c |    4 ++--
 mm/internal.h    |    4 ++--
 mm/ksm.c         |    2 +-
 mm/migrate.c     |    2 +-
 mm/mlock.c       |    2 +-
 mm/rmap.c        |    2 +-
 7 files changed, 9 insertions(+), 9 deletions(-)

diff --git a/mm/gup.c b/mm/gup.c
index 98f13ab37bac..f0accc229266 100644
--- a/mm/gup.c
+++ b/mm/gup.c
@@ -306,7 +306,7 @@ static struct page *follow_page_pte(struct vm_area_struct *vma,
 			 * know the page is still mapped, we don't even
 			 * need to check for file-cache page truncation.
 			 */
-			mlock_vma_page(page);
+			mlock_vma_page(vma, page);
 			unlock_page(page);
 		}
 	}
diff --git a/mm/huge_memory.c b/mm/huge_memory.c
index de1f15969e27..157faa231e26 100644
--- a/mm/huge_memory.c
+++ b/mm/huge_memory.c
@@ -1513,7 +1513,7 @@ struct page *follow_trans_huge_pmd(struct vm_area_struct *vma,
 			goto skip_mlock;
 		lru_add_drain();
 		if (page->mapping && !PageDoubleMap(page))
-			mlock_vma_page(page);
+			mlock_vma_page(vma, page);
 		unlock_page(page);
 	}
 skip_mlock:
@@ -3009,7 +3009,7 @@ void remove_migration_pmd(struct page_vma_mapped_walk *pvmw, struct page *new)
 		page_add_file_rmap(new, true);
 	set_pmd_at(mm, mmun_start, pvmw->pmd, pmde);
 	if ((vma->vm_flags & VM_LOCKED) && !PageDoubleMap(new))
-		mlock_vma_page(new);
+		mlock_vma_page(vma, new);
 	update_mmu_cache_pmd(vma, address, pvmw->pmd);
 }
 #endif
diff --git a/mm/internal.h b/mm/internal.h
index e32390802fd3..9f91992ef281 100644
--- a/mm/internal.h
+++ b/mm/internal.h
@@ -305,7 +305,7 @@ static inline void munlock_vma_pages_all(struct vm_area_struct *vma)
 /*
  * must be called with vma's mmap_sem held for read or write, and page locked.
  */
-extern void mlock_vma_page(struct page *page);
+extern void mlock_vma_page(struct vm_area_struct *vma, struct page *page);
 extern unsigned int munlock_vma_page(struct page *page);
 
 /*
@@ -364,7 +364,7 @@ vma_address(struct page *page, struct vm_area_struct *vma)
 
 #else /* !CONFIG_MMU */
 static inline void clear_page_mlock(struct page *page) { }
-static inline void mlock_vma_page(struct page *page) { }
+static inline void mlock_vma_page(struct vm_area_struct *, struct page *) { }
 static inline void mlock_migrate_page(struct page *new, struct page *old) { }
 
 #endif /* !CONFIG_MMU */
diff --git a/mm/ksm.c b/mm/ksm.c
index 3dc4346411e4..cb5705d6f26c 100644
--- a/mm/ksm.c
+++ b/mm/ksm.c
@@ -1274,7 +1274,7 @@ static int try_to_merge_one_page(struct vm_area_struct *vma,
 		if (!PageMlocked(kpage)) {
 			unlock_page(page);
 			lock_page(kpage);
-			mlock_vma_page(kpage);
+			mlock_vma_page(vma, kpage);
 			page = kpage;		/* for final unlock */
 		}
 	}
diff --git a/mm/migrate.c b/mm/migrate.c
index a42858d8e00b..1f6151cb7310 100644
--- a/mm/migrate.c
+++ b/mm/migrate.c
@@ -269,7 +269,7 @@ static bool remove_migration_pte(struct page *page, struct vm_area_struct *vma,
 				page_add_file_rmap(new, false);
 		}
 		if (vma->vm_flags & VM_LOCKED && !PageTransCompound(new))
-			mlock_vma_page(new);
+			mlock_vma_page(vma, new);
 
 		if (PageTransHuge(page) && PageMlocked(page))
 			clear_page_mlock(page);
diff --git a/mm/mlock.c b/mm/mlock.c
index a90099da4fb4..73d477aaa411 100644
--- a/mm/mlock.c
+++ b/mm/mlock.c
@@ -85,7 +85,7 @@ void clear_page_mlock(struct page *page)
  * Mark page as mlocked if not already.
  * If page on LRU, isolate and putback to move to unevictable list.
  */
-void mlock_vma_page(struct page *page)
+void mlock_vma_page(struct vm_area_struct *vma, struct page *page)
 {
 	/* Serialize with page migration */
 	BUG_ON(!PageLocked(page));
diff --git a/mm/rmap.c b/mm/rmap.c
index 003377e24232..de88f4897c1d 100644
--- a/mm/rmap.c
+++ b/mm/rmap.c
@@ -1410,7 +1410,7 @@ static bool try_to_unmap_one(struct page *page, struct vm_area_struct *vma,
 					 * Holding pte lock, we do *not* need
 					 * mmap_sem here
 					 */
-					mlock_vma_page(page);
+					mlock_vma_page(vma, page);
 				}
 				ret = false;
 				page_vma_mapped_walk_done(&pvmw);