From: Mel Gorman <mgorman@suse.de>
To: Andrew Morton <akpm@linux-foundation.org>
Cc: Hugh Dickins <hughd@google.com>,
KOSAKI Motohiro <kosaki.motohiro@gmail.com>,
Konstantin Khlebnikov <khlebnikov@openvz.org>,
linux-mm@kvack.org, Mel Gorman <mel@csn.ul.ie>
Subject: Re: [PATCH 3/3] mm: take pagevecs off reclaim stack
Date: Fri, 30 Dec 2011 15:51:27 +0000 [thread overview]
Message-ID: <20111230155127.GG15729@suse.de> (raw)
In-Reply-To: <20111229195917.13f15974.akpm@linux-foundation.org>
On Thu, Dec 29, 2011 at 07:59:17PM -0800, Andrew Morton wrote:
> <SNIP>
>
> Now, a way out here is to remove lumpy reclaim (please). And make the
> problem not come back by promising to never call putback_lru_pages(lots
> of pages) (how do we do this?).
>
> So I think the best way ahead here is to distribute this patch in the
> same release in which we remove lumpy reclaim (pokes Mel).
>
I'll take a look at this in the New Years. Removing lumpy reclaim is
straight-forward. Making sure that it does not ruin THP allocation
success rates will be the time consuming part.
--
Mel Gorman
SUSE Labs
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next prev parent reply other threads:[~2011-12-30 15:51 UTC|newest]
Thread overview: 26+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-12-29 4:32 [PATCH 0/3] mm: three minor vmscan improvements Hugh Dickins
2011-12-29 4:35 ` [PATCH 1/3] mm: test PageSwapBacked in lumpy reclaim Hugh Dickins
2011-12-29 5:06 ` KOSAKI Motohiro
2012-01-04 1:23 ` Minchan Kim
2012-01-05 6:03 ` KAMEZAWA Hiroyuki
2011-12-29 4:36 ` [PATCH 2/3] mm: cond_resched in scan_mapping_unevictable_pages Hugh Dickins
2011-12-29 5:14 ` KOSAKI Motohiro
2011-12-29 5:48 ` Hugh Dickins
2011-12-29 22:46 ` Hugh Dickins
2011-12-29 4:39 ` [PATCH 3/3] mm: take pagevecs off reclaim stack Hugh Dickins
2011-12-29 5:42 ` KOSAKI Motohiro
2011-12-29 11:18 ` Konstantin Khlebnikov
2011-12-29 22:20 ` Hugh Dickins
2011-12-29 22:55 ` Andrew Morton
2011-12-29 23:27 ` Hugh Dickins
2011-12-30 0:24 ` KOSAKI Motohiro
2011-12-30 1:55 ` Hugh Dickins
2011-12-30 3:59 ` Andrew Morton
2011-12-30 15:51 ` Mel Gorman [this message]
2012-01-01 7:18 ` Hugh Dickins
2012-01-03 23:12 ` Andrew Morton
2012-01-03 23:17 ` KOSAKI Motohiro
2012-01-03 23:29 ` Andrew Morton
2012-01-04 0:03 ` KOSAKI Motohiro
2012-01-04 3:22 ` Hugh Dickins
2012-01-04 20:20 ` Andrew Morton
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