diff options
| author | Johannes Weiner <hannes@cmpxchg.org> | 2017-03-31 15:11:50 -0700 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2017-04-08 09:30:35 +0200 |
| commit | b5707920e4d8f9df0ed2db4e6fce24ede50eb4a2 (patch) | |
| tree | ed3d820a4d6a4b5aea120a99cf371fedf909aaa3 /include/linux/memcontrol.h | |
| parent | 673dfb6d1bb4e16cd6416f6a9a90c58908539bcf (diff) | |
mm: rmap: fix huge file mmap accounting in the memcg stats
commit 553af430e7c981e6e8fa5007c5b7b5773acc63dd upstream.
Huge pages are accounted as single units in the memcg's "file_mapped"
counter. Account the correct number of base pages, like we do in the
corresponding node counter.
Link: http://lkml.kernel.org/r/20170322005111.3156-1-hannes@cmpxchg.org
Signed-off-by: Johannes Weiner <hannes@cmpxchg.org>
Reviewed-by: Kirill A. Shutemov <kirill.shutemov@linux.intel.com>
Acked-by: Michal Hocko <mhocko@suse.com>
Cc: Vladimir Davydov <vdavydov.dev@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'include/linux/memcontrol.h')
| -rw-r--r-- | include/linux/memcontrol.h | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/include/linux/memcontrol.h b/include/linux/memcontrol.h index 254698856b8f..8b35bdbdc214 100644 --- a/include/linux/memcontrol.h +++ b/include/linux/memcontrol.h @@ -739,6 +739,12 @@ static inline bool mem_cgroup_oom_synchronize(bool wait) return false; } +static inline void mem_cgroup_update_page_stat(struct page *page, + enum mem_cgroup_stat_index idx, + int nr) +{ +} + static inline void mem_cgroup_inc_page_stat(struct page *page, enum mem_cgroup_stat_index idx) { |