diff options
| -rw-r--r-- | mm/filemap.c | 2 | ||||
| -rw-r--r-- | mm/memcontrol.c | 1 | ||||
| -rw-r--r-- | mm/migrate.c | 9 |
3 files changed, 9 insertions, 3 deletions
diff --git a/mm/filemap.c b/mm/filemap.c index e1b23fda48d..ab8553658af 100644 --- a/mm/filemap.c +++ b/mm/filemap.c @@ -116,12 +116,12 @@ void __remove_from_page_cache(struct page *page) { struct address_space *mapping = page->mapping; - mem_cgroup_uncharge_cache_page(page); radix_tree_delete(&mapping->page_tree, page->index); page->mapping = NULL; mapping->nrpages--; __dec_zone_page_state(page, NR_FILE_PAGES); BUG_ON(page_mapped(page)); + mem_cgroup_uncharge_cache_page(page); /* * Some filesystems seem to re-dirty the page even after diff --git a/mm/memcontrol.c b/mm/memcontrol.c index e93a4db93fb..6f8b5b3b38b 100644 --- a/mm/memcontrol.c +++ b/mm/memcontrol.c @@ -734,6 +734,7 @@ void mem_cgroup_uncharge_page(struct page *page) void mem_cgroup_uncharge_cache_page(struct page *page) { VM_BUG_ON(page_mapped(page)); + VM_BUG_ON(page->mapping); __mem_cgroup_uncharge_common(page, MEM_CGROUP_CHARGE_TYPE_CACHE); } diff --git a/mm/migrate.c b/mm/migrate.c index 11c6c56ec01..6602941bfab 100644 --- a/mm/migrate.c +++ b/mm/migrate.c @@ -330,8 +330,6 @@ static int migrate_page_move_mapping(struct address_space *mapping, __inc_zone_page_state(newpage, NR_FILE_PAGES); spin_unlock_irq(&mapping->tree_lock); - if (!PageSwapCache(newpage)) - mem_cgroup_uncharge_cache_page(page); return 0; } @@ -341,6 +339,8 @@ static int migrate_page_move_mapping(struct address_space *mapping, */ static void migrate_page_copy(struct page *newpage, struct page *page) { + int anon; + copy_highpage(newpage, page); if (PageError(page)) @@ -378,8 +378,13 @@ static void migrate_page_copy(struct page *newpage, struct page *page) #endif ClearPagePrivate(page); set_page_private(page, 0); + /* page->mapping contains a flag for PageAnon() */ + anon = PageAnon(page); page->mapping = NULL; + if (!anon) /* This page was removed from radix-tree. */ + mem_cgroup_uncharge_cache_page(page); + /* * If any waiters have accumulated on the new page then * wake them up. |