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| author | Michal Hocko | 2011-03-24 00:42:41 +0100 |
|---|---|---|
| committer | Linus Torvalds | 2011-03-24 03:46:33 +0100 |
| commit | 6cfddb261555dd0c0529a5fb7cf8bc5b85ad95a5 (patch) | |
| tree | d6c966290c7a8224171c850098767a6fbfa5747b /mm/memcontrol.c | |
| parent | page_cgroup: reduce allocation overhead for page_cgroup array for CONFIG_SPAR... (diff) | |
| download | kernel-qcow2-linux-6cfddb261555dd0c0529a5fb7cf8bc5b85ad95a5.tar.gz kernel-qcow2-linux-6cfddb261555dd0c0529a5fb7cf8bc5b85ad95a5.tar.xz kernel-qcow2-linux-6cfddb261555dd0c0529a5fb7cf8bc5b85ad95a5.zip | |
memcg: page_cgroup array is never stored on reserved pages
KAMEZAWA Hiroyuki noted that free_pages_cgroup doesn't have to check for
PageReserved because we never store the array on reserved pages (neither
alloc_pages_exact nor vmalloc use those pages).
So we can replace the check by a BUG_ON.
Signed-off-by: Michal Hocko <mhocko@suse.cz>
Acked-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
Cc: Balbir Singh <balbir@in.ibm.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'mm/memcontrol.c')
0 files changed, 0 insertions, 0 deletions