Re: [patch 2/2] [PATCH] mm: Save soft-dirty bits on file pages

[Pavel Emelyanov]

On 07/31/2013 12:41 AM, Cyrill Gorcunov wrote:

> Andy reported that if file page get reclaimed we loose soft-dirty bit
> if it was there, so save _PAGE_BIT_SOFT_DIRTY bit when page address
> get encoded into pte entry. Thus when #pf happens on such non-present
> pte we can restore it back.
> 
> Reported-by: Andy Lutomirski <luto@xxxxxxxxxxxxxx>
> Signed-off-by: Cyrill Gorcunov <gorcunov@xxxxxxxxxx>

Acked-by: Pavel Emelyanov <xemul@xxxxxxxxxxxxx>
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