Re: [patch 05/11] mm: memcg: only check for PageSwapCache when uncharginganon

[Kamezawa Hiroyuki]

(2012/07/05 9:44), Johannes Weiner wrote:
> Only anon pages that are uncharged at the time of the last page table
> mapping vanishing may be in swapcache.
> 
> When shmem pages, file pages, swap-freed anon pages, or just migrated
> pages are uncharged, they are known for sure to be not in swapcache.
> 
> Signed-off-by: Johannes Weiner <hannes@xxxxxxxxxxx>

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


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