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SubjectRe: [PATCH 5/12] memcg make page_cgroup->flags atomic
KAMEZAWA Hiroyuki wrote:
> This patch makes page_cgroup->flags to be atomic_ops and define
> functions (and macros) to access it.
>
> This patch itself makes memcg slow but this patch's final purpose is
> to remove lock_page_cgroup() and allowing fast access to page_cgroup.
> (And total performance will increase after all patches applied.)
>

Looks good to me

Acked-by: Balbir Singh <balbir@linux.vnet.ibm.com>
provided we push in the lockless ones too :)

--
Balbir


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