diff options
| author | Varun Wadekar <vwadekar@nvidia.com> | 2012-01-24 16:52:10 +0530 |
|---|---|---|
| committer | Varun Wadekar <vwadekar@nvidia.com> | 2012-01-24 17:05:20 +0530 |
| commit | 058cf848b62154a6ac13e276899fbb6650df0b74 (patch) | |
| tree | 980f3caa279997fe141738ed15b4211036f3c7ab /mm/filemap.c | |
| parent | ac64f7716cc7afbb57a3c7c70aa9214e2279624e (diff) | |
| parent | 9bb1282f6a7754955c18be912fbc2b55d133f1b9 (diff) | |
Merge branch 'linux-3.1.y' into android-tegra-nv-3.1
Linux 3.1.10
Change-Id: I465d184c492e8041dd0cd90f2cb70fde17ba7118
Signed-off-by: Varun Wadekar <vwadekar@nvidia.com>
Diffstat (limited to 'mm/filemap.c')
| -rw-r--r-- | mm/filemap.c | 18 |
1 files changed, 2 insertions, 16 deletions
diff --git a/mm/filemap.c b/mm/filemap.c index b91f3aa627fc..0eedbf85062d 100644 --- a/mm/filemap.c +++ b/mm/filemap.c @@ -393,24 +393,11 @@ EXPORT_SYMBOL(filemap_write_and_wait_range); int replace_page_cache_page(struct page *old, struct page *new, gfp_t gfp_mask) { int error; - struct mem_cgroup *memcg = NULL; VM_BUG_ON(!PageLocked(old)); VM_BUG_ON(!PageLocked(new)); VM_BUG_ON(new->mapping); - /* - * This is not page migration, but prepare_migration and - * end_migration does enough work for charge replacement. - * - * In the longer term we probably want a specialized function - * for moving the charge from old to new in a more efficient - * manner. - */ - error = mem_cgroup_prepare_migration(old, new, &memcg, gfp_mask); - if (error) - return error; - error = radix_tree_preload(gfp_mask & ~__GFP_HIGHMEM); if (!error) { struct address_space *mapping = old->mapping; @@ -432,13 +419,12 @@ int replace_page_cache_page(struct page *old, struct page *new, gfp_t gfp_mask) if (PageSwapBacked(new)) __inc_zone_page_state(new, NR_SHMEM); spin_unlock_irq(&mapping->tree_lock); + /* mem_cgroup codes must not be called under tree_lock */ + mem_cgroup_replace_page_cache(old, new); radix_tree_preload_end(); if (freepage) freepage(old); page_cache_release(old); - mem_cgroup_end_migration(memcg, old, new, true); - } else { - mem_cgroup_end_migration(memcg, old, new, false); } return error; |