linux-kernel - Re: [PATCH v12 8/8] mm: Don't split THP page when syscall is called

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Message-ID: <20140717113040.GB10127@node.dhcp.inet.fi>
Date:	Thu, 17 Jul 2014 14:30:40 +0300
From:	"Kirill A. Shutemov" <kirill@...temov.name>
To:	Minchan Kim <minchan@...nel.org>
Cc:	Andrew Morton <akpm@...ux-foundation.org>,
	linux-kernel@...r.kernel.org, linux-mm@...ck.org,
	Michael Kerrisk <mtk.manpages@...il.com>,
	Linux API <linux-api@...r.kernel.org>,
	Hugh Dickins <hughd@...gle.com>,
	Johannes Weiner <hannes@...xchg.org>,
	Rik van Riel <riel@...hat.com>,
	KOSAKI Motohiro <kosaki.motohiro@...fujitsu.com>,
	Mel Gorman <mgorman@...e.de>, Jason Evans <je@...com>,
	Zhang Yanfei <zhangyanfei@...fujitsu.com>,
	Andrea Arcangeli <aarcange@...hat.com>
Subject: Re: [PATCH v12 8/8] mm: Don't split THP page when syscall is called

On Wed, Jul 09, 2014 at 03:22:29PM +0900, Minchan Kim wrote:
> We don't need to split THP page when MADV_FREE syscall is
> called. It could be done when VM decide really frees it so
> we could avoid unnecessary THP split.
> 
> Cc: Andrea Arcangeli <aarcange@...hat.com>
> Signed-off-by: Minchan Kim <minchan@...nel.org>

I would like to free THP without splitting. But good enough for now.

Acked-by: Kirill A. Shutemov <kirill.shutemov@...ux.intel.com>
-- 
 Kirill A. Shutemov
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