hugetlb/cgroup: add support for cgroup removal
authorAneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>
Tue, 31 Jul 2012 23:42:21 +0000 (16:42 -0700)
committerLinus Torvalds <torvalds@linux-foundation.org>
Wed, 1 Aug 2012 01:42:41 +0000 (18:42 -0700)
commitda1def55919f4852c4759249a78d63a0c5d2d8f9
tree9397a43deef85cf9c7f94671593454d77605d2b2
parent6d76dcf40405144a448040a350fd214ddc243d5e
hugetlb/cgroup: add support for cgroup removal

Add support for cgroup removal.  If we don't have parent cgroup, the
charges are moved to root cgroup.

Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>
Cc: David Rientjes <rientjes@google.com>
Acked-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
Cc: Hillf Danton <dhillf@gmail.com>
Reviewed-by: Michal Hocko <mhocko@suse.cz>
Cc: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
mm/hugetlb_cgroup.c