On Mon, 12 Sep 2011 12:57:28 +0200
Johannes Weiner [off-list ref] 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 <redacted>

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

Reviewed-by: KAMEZAWA Hiroyuki <redacted>


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