From: Christoph Lameter <cl@linux.com>
To: Minchan Kim <minchan.kim@gmail.com>
Cc: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>,
mgorman@suse.de, linux-mm@kvack.org,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH 1/3] mm: vmscan: Do use use PF_SWAPWRITE from zone_reclaim
Date: Tue, 12 Jul 2011 10:43:47 -0500 (CDT) [thread overview]
Message-ID: <alpine.DEB.2.00.1107121042240.2530@router.home> (raw)
In-Reply-To: <CAEwNFnAprEuZJucDSMgnUHGePyxgyRqNCWOsG0-K2nTjmKcUug@mail.gmail.com>
On Tue, 12 Jul 2011, Minchan Kim wrote:
> If I am not against this patch, at least, we need agreement of
> Christoph and others and if we agree this change, we changes vm.txt,
> too.
I think PF_SWAPWRITE should only be set if may_write was set earlier in
__zone_reclaim. If zone reclaim is not configured to do writeback then it
makes no sense to set the bit.
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next prev parent reply other threads:[~2011-07-12 15:43 UTC|newest]
Thread overview: 21+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-07-11 13:01 [RFC PATCH 0/3] Reduce frequency of stalls due to zone_reclaim() on NUMA Mel Gorman
2011-07-11 13:01 ` [PATCH 1/3] mm: vmscan: Do use use PF_SWAPWRITE from zone_reclaim Mel Gorman
2011-07-12 9:27 ` Minchan Kim
2011-07-12 9:40 ` KOSAKI Motohiro
2011-07-12 9:55 ` Minchan Kim
2011-07-12 15:43 ` Christoph Lameter [this message]
2011-07-13 10:40 ` Mel Gorman
2011-07-12 10:14 ` Mel Gorman
2011-07-13 0:34 ` KOSAKI Motohiro
2011-07-11 13:01 ` [PATCH 2/3] mm: page allocator: Initialise ZLC for first zone eligible for zone_reclaim Mel Gorman
2011-07-13 1:15 ` KOSAKI Motohiro
2011-07-13 11:02 ` Mel Gorman
2011-07-14 1:20 ` KOSAKI Motohiro
2011-07-14 6:11 ` Mel Gorman
2011-07-11 13:01 ` [PATCH 3/3] mm: page allocator: Reconsider zones for allocation after direct reclaim Mel Gorman
2011-07-13 0:42 ` KOSAKI Motohiro
2011-07-13 11:10 ` Mel Gorman
2011-07-14 3:20 ` KOSAKI Motohiro
2011-07-14 6:10 ` Mel Gorman
2011-07-21 9:35 ` KOSAKI Motohiro
2011-07-21 10:31 ` Mel Gorman
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