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Date:	Mon, 7 Jul 2014 10:12:24 +0100
From:	Will Deacon <>
To:	Minchan Kim <>
Cc:	Andrew Morton <>,
	"" <>,
	"" <>,
	Michael Kerrisk <>,
	Linux API <>,
	Hugh Dickins <>,
	Johannes Weiner <>,
	Rik van Riel <>,
	KOSAKI Motohiro <>,
	Mel Gorman <>, Jason Evans <>,
	Zhang Yanfei <>,
	"Kirill A. Shutemov" <>,
	Catalin Marinas <>,
	Steve Capper <>,
	Russell King <>,
Subject: Re: [PATCH v10 6/7] ARM: add pmd_[dirty|mkclean] for THP

On Mon, Jul 07, 2014 at 01:53:57AM +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.

Looks fine to me, but it would be good if Steve can take a look too.

BTW: the subject of the patch says 'ARM:' but this only affects arm64. Is
there a corresponding patch for arch/arm/ too?

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