tree 417cebd2e18bc2457b5b09d8359ad71ba6afd56d
parent 4b3bde4c983de36c59e6c1a24701f6fe816f9f55
author KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com> 1253746593 -0700
committer Linus Torvalds <torvalds@linux-foundation.org> 1253802058 -0700

memcg: add comments explaining memory barriers

Add comments for the reason of smp_wmb() in mem_cgroup_commit_charge().

[akpm@linux-foundation.org: coding-style fixes]
Cc: Daisuke Nishimura <nishimura@mxp.nes.nec.co.jp>
Cc: Balbir Singh <balbir@linux.vnet.ibm.com>
Signed-off-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>