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    SubjectRe: [patch 7/9] mm: memcontrol: do not acquire page_cgroup lock for kmem pages
    On Fri, May 23, 2014 at 03:39:38PM +0200, Michal Hocko wrote:
    > I am adding Vladimir to CC
    >
    > On Wed 30-04-14 16:25:41, Johannes Weiner wrote:
    > > Kmem page charging and uncharging is serialized by means of exclusive
    > > access to the page. Do not take the page_cgroup lock and don't set
    > > pc->flags atomically.
    > >
    > > Signed-off-by: Johannes Weiner <hannes@cmpxchg.org>

    Acked-by: Vladimir Davydov <vdavydov@parallels.com>


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