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SubjectRe: [patch 11/11] mm: memcg: remove unused node/section info from pc->flags
On Mon, 12 Sep 2011 12:57:28 +0200
Johannes Weiner <> wrote:

> To find the page corresponding to a certain page_cgroup, the pc->flags
> encoded the node or section ID with the base array to compare the pc
> pointer to.
> Now that the per-memory cgroup LRU lists link page descriptors
> directly, there is no longer any code that knows the page_cgroup but
> not the page.
> Signed-off-by: Johannes Weiner <>

Ah, ok. remove init code and use zalloc()

Reviewed-by: KAMEZAWA Hiroyuki <>

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