linux-kernel - Re: [RFC PATCH v3 2/2] mm, thp: convert from optimistic swapin collapsing to conservative

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Date:	Wed, 20 Jul 2016 10:14:14 -0400
From:	Rik van Riel <riel@...hat.com>
To:	Ebru Akagunduz <ebru.akagunduz@...il.com>, linux-mm@...ck.org
Cc:	hughd@...gle.com, akpm@...ux-foundation.org,
	kirill.shutemov@...ux.intel.com, n-horiguchi@...jp.nec.com,
	aarcange@...hat.com, iamjoonsoo.kim@....com, gorcunov@...nvz.org,
	linux-kernel@...r.kernel.org, mgorman@...e.de, rientjes@...gle.com,
	vbabka@...e.cz, aneesh.kumar@...ux.vnet.ibm.com,
	hannes@...xchg.org, mhocko@...e.cz, boaz@...xistor.com
Subject: Re: [RFC PATCH v3 2/2] mm, thp: convert from optimistic swapin
 collapsing to conservative

On Sun, 2016-07-10 at 03:10 +0300, Ebru Akagunduz wrote:
> To detect whether khugepaged swapin worthwhile, this patch checks
> the amount of young pages. There should be at least half of
> HPAGE_PMD_NR to swapin.
> 
> Signed-off-by: Ebru Akagunduz <ebru.akagunduz@...il.com>
> Suggested-by: Minchan Kim <minchan@...nel.org>
> 
Acked-by: Rik van Riel <riel@...hat.com>

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