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| author | Florian Tobias Schandinat <FlorianSchandinat@gmx.de> | 2012-01-28 19:52:40 +0000 |
|---|---|---|
| committer | Florian Tobias Schandinat <FlorianSchandinat@gmx.de> | 2012-01-28 19:52:40 +0000 |
| commit | b20f86625de738658c74f2ecfe4050416d2252cc (patch) | |
| tree | b84216b70bd923409217834a953f983700e39eda /mm/swap_state.c | |
| parent | 9f1065032ceb7e86c7c9f16bb86518857e88a172 (diff) | |
| parent | dcd6c92267155e70a94b3927bce681ce74b80d1f (diff) | |
Merge commit 'v3.3-rc1' into fbdev-next
Diffstat (limited to 'mm/swap_state.c')
| -rw-r--r-- | mm/swap_state.c | 11 |
1 files changed, 10 insertions, 1 deletions
diff --git a/mm/swap_state.c b/mm/swap_state.c index 78cc4d1f6cc..470038a9187 100644 --- a/mm/swap_state.c +++ b/mm/swap_state.c @@ -13,7 +13,6 @@ #include <linux/swapops.h> #include <linux/init.h> #include <linux/pagemap.h> -#include <linux/buffer_head.h> #include <linux/backing-dev.h> #include <linux/pagevec.h> #include <linux/migrate.h> @@ -301,6 +300,16 @@ struct page *read_swap_cache_async(swp_entry_t entry, gfp_t gfp_mask, new_page = alloc_page_vma(gfp_mask, vma, addr); if (!new_page) break; /* Out of memory */ + /* + * The memcg-specific accounting when moving + * pages around the LRU lists relies on the + * page's owner (memcg) to be valid. Usually, + * pages are assigned to a new owner before + * being put on the LRU list, but since this + * is not the case here, the stale owner from + * a previous allocation cycle must be reset. + */ + mem_cgroup_reset_owner(new_page); } /* |