Re: [PATCH 1/4] memcg: account swap cache under lock

[Balbir Singh]

KAMEZAWA Hiroyuki wrote:
> While page-cache's charge/uncharge is done under page_lock(), swap-cache
> isn't. (anonymous page is charged when it's newly allocated.)
> 
> This patch moves do_swap_page()'s charge() call under lock.
> I don't see any bad problem *now* but this fix will be good for future
> for avoiding unneccesary racy state.
> 
> 
> Changelog: (v5) -> (v6)
>  - mark_page_accessed() is moved before lock_page().
>  - fixed missing unlock_page()
> (no changes in previous version)

Looks good to me

Acked-by: Balbir Singh <balbir@xxxxxxxxxxxxxxxxxx>

-- 
	Balbir
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