Messages in this thread | | | Date | Thu, 10 Dec 2009 10:13:55 +0900 | From | KAMEZAWA Hiroyuki <> | Subject | Re: [PATCH] [TRIVIAL] memcg: fix memory.memsw.usage_in_bytes for root cgroup |
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On Wed, 9 Dec 2009 16:21:09 -0800 Andrew Morton <akpm@linux-foundation.org> wrote:
> On Thu, 10 Dec 2009 08:59:29 +0900 > KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com> wrote: > > > On Wed, 9 Dec 2009 17:48:58 +0200 > > "Kirill A. Shutemov" <kirill@shutemov.name> wrote: > > > > > We really want to take MEM_CGROUP_STAT_SWAPOUT into account. > > > > > > Signed-off-by: Kirill A. Shutemov <kirill@shutemov.name> > > > Cc: stable@kernel.org > > > > Thanks. > > > > Acked-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com> > > > > Is this bug sufficiently serious to justify a -stable backport? > I think so.
> If so, why? >
memory cgroup has a file memory.memsw.usage_in_bytes file. It shows sum of the usage of pages and swapents in the cgroup. Now, root cgroup's memsw.usage_in_bytes shows wrong value....the number of swapents are not added. This patch fixesi it.
Thanks, -Kame
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