linux-kernel - Re: [PATCH v14 3/8] sparc: add pmd

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Date:	Wed, 13 Aug 2014 19:55:58 -0700 (PDT)
From:	David Miller <davem@...emloft.net>
To:	minchan@...nel.org
Cc:	akpm@...ux-foundation.org, linux-mm@...ck.org,
	linux-kernel@...r.kernel.org, mtk.manpages@...il.com,
	linux-api@...r.kernel.org, hughd@...gle.com, hannes@...xchg.org,
	riel@...hat.com, kosaki.motohiro@...fujitsu.com, mgorman@...e.de,
	je@...com, zhangyanfei@...fujitsu.com, kirill@...temov.name,
	sparclinux@...r.kernel.org
Subject: Re: [PATCH v14 3/8] sparc: add pmd_[dirty|mkclean] for THP

From: Minchan Kim <minchan@...nel.org>
Date: Thu, 14 Aug 2014 10:53:27 +0900

> 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: "David S. Miller" <davem@...emloft.net>
> Cc: sparclinux@...r.kernel.org
> Signed-off-by: Minchan Kim <minchan@...nel.org>

Acked-by: David S. Miller <davem@...emloft.net>
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