Re: [patch 2/5] memcg: change page_cgroup_zoneinfo signature

[KAMEZAWA Hiroyuki]

On Thu,  3 Feb 2011 15:26:03 +0100
Johannes Weiner <hannes@xxxxxxxxxxx> wrote:

> Instead of passing a whole struct page_cgroup to this function, let it
> take only what it really needs from it: the struct mem_cgroup and the
> page.
> 
> This has the advantage that reading pc->mem_cgroup is now done at the
> same place where the ordering rules for this pointer are enforced and
> explained.
> 
> It is also in preparation for removing the pc->page backpointer.
> 
> Signed-off-by: Johannes Weiner <hannes@xxxxxxxxxxx>

Acked-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@xxxxxxxxxxxxxx>


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