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authorJohannes Weiner <hannes@cmpxchg.org>2014-12-10 15:44:50 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2014-12-10 17:41:08 -0800
commit22811c6bc3c764d8935383ad0ddd7a96b45d75dc (patch)
treea0aa0375ce297f64d809b9cad063afbb86061fa5 /mm
parenta1ad28973d3d9fe23fa73fbb66fba077a987dd81 (diff)
downloadlinux-22811c6bc3c764d8935383ad0ddd7a96b45d75dc.tar.bz2
mm: memcontrol: remove stale page_cgroup_lock comment
There is no cgroup-specific page lock anymore. Signed-off-by: Johannes Weiner <hannes@cmpxchg.org> Acked-by: Michal Hocko <mhocko@suse.cz> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'mm')
-rw-r--r--mm/memcontrol.c4
1 files changed, 0 insertions, 4 deletions
diff --git a/mm/memcontrol.c b/mm/memcontrol.c
index 031ca345677b..78cb3b05a9fa 100644
--- a/mm/memcontrol.c
+++ b/mm/memcontrol.c
@@ -2467,10 +2467,6 @@ static void commit_charge(struct page *page, struct mem_cgroup *memcg,
int isolated;
VM_BUG_ON_PAGE(pc->mem_cgroup, page);
- /*
- * we don't need page_cgroup_lock about tail pages, becase they are not
- * accessed by any other context at this point.
- */
/*
* In some cases, SwapCache and FUSE(splice_buf->radixtree), the page