Re: [PATCH v12 7/8] arm64: add pmd_[dirty|mkclean] for THP

[Catalin Marinas]

On Wed, Jul 09, 2014 at 07:22:28AM +0100, Minchan Kim wrote:
> MADV_FREE needs pmd_dirty and pmd_mkclean for detecting recent
> overwrite of the contents since MADV_FREE syscall is called for
> THP page.
> 
> This patch adds pmd_dirty and pmd_mkclean for THP page MADV_FREE
> support.
> 
> Cc: Catalin Marinas <catalin.marinas@xxxxxxx>
> Cc: Will Deacon <will.deacon@xxxxxxx>
> Cc: Steve Capper <steve.capper@xxxxxxxxxx>
> Cc: Russell King <linux@xxxxxxxxxxxxxxxx>
> Cc: linux-arm-kernel@xxxxxxxxxxxxxxxxxxx
> Signed-off-by: Minchan Kim <minchan@xxxxxxxxxx>

Acked-by: Catalin Marinas <catalin.marinas@xxxxxxx>
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