Re: [PATCH v2 -mmotm-2009-12-10-17-19] Fix wrong rss count of smaps
From: KOSAKI Motohiro
Date: Sun Jan 03 2010 - 22:14:09 EST
>
> Long time ago, We regards zero page as file_rss and
> vm_normal_page didn't return NULL in case of zero page
>
> But now, we reinstated ZERO_PAGE and vm_normal_page's implementation
> can return NULL in case of zero page.
>
> Then, RSS and PSS can't be matched in smaps_pte_range.
> This patch fixes it.
>
> Acked-by: Hugh Dickins <hugh.dickins@xxxxxxxxxxxxx>
> Acked-by: Matt Mackall <mpm@xxxxxxxxxxx>
> Acked-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@xxxxxxxxxxxxxx>
> Signed-off-by: Minchan Kim <minchan.kim@xxxxxxxxx>
Reviewed-by: KOSAKI Motohiro <kosaki.motohiro@xxxxxxxxxxxxxx>
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