From: Pekka Enberg <penberg@kernel.org>
To: Andrew Morton <akpm@linux-foundation.org>
Cc: Simon Kirby <sim@hostway.ca>,
Johannes Weiner <hannes@cmpxchg.org>, Mel Gorman <mel@csn.ul.ie>,
Rik van Riel <riel@redhat.com>,
linux-mm@kvack.org, Christoph Lameter <cl@linux.com>,
David Rientjes <rientjes@google.com>,
Nick Piggin <npiggin@suse.de>
Subject: Re: [patch] mm: skip rebalance of hopeless zones
Date: Thu, 9 Dec 2010 10:55:10 +0200 [thread overview]
Message-ID: <AANLkTi=3WFrrhbrRUi986KCaMknUeXGsb8Lq6O8K4RMd@mail.gmail.com> (raw)
In-Reply-To: <20101208172324.d45911f4.akpm@linux-foundation.org>
On Thu, Dec 9, 2010 at 3:23 AM, Andrew Morton <akpm@linux-foundation.org> wrote:
> This problem would have got worse when slub came along doing its stupid
> unnecessary high-order allocations.
Stupid, maybe but not unnecessary because they're a performance
improvement on large CPU systems (needed because of current SLUB
design). We're scaling the allocation order based on number of CPUs
but maybe we could shrink it even more.
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next prev parent reply other threads:[~2010-12-09 8:55 UTC|newest]
Thread overview: 35+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-12-08 15:16 Johannes Weiner
2010-12-08 18:05 ` Rik van Riel
2010-12-08 22:19 ` Andrew Morton
2010-12-09 0:04 ` Johannes Weiner
2010-12-09 21:17 ` Andrew Morton
2010-12-10 16:27 ` Johannes Weiner
2011-01-05 11:15 ` Johannes Weiner
2011-01-04 23:56 ` Andrew Morton
2010-12-09 0:47 ` Rik van Riel
2010-12-09 14:34 ` Mel Gorman
2010-12-09 0:36 ` Simon Kirby
2010-12-09 0:49 ` Rik van Riel
2010-12-09 1:08 ` Simon Kirby
2010-12-09 14:42 ` Mel Gorman
2010-12-09 1:23 ` Andrew Morton
2010-12-09 1:55 ` Minchan Kim
2010-12-09 1:57 ` Minchan Kim
2010-12-09 2:01 ` Andrew Morton
2010-12-09 2:19 ` Minchan Kim
2010-12-09 5:18 ` Minchan Kim
2010-12-09 2:05 ` Simon Kirby
2010-12-09 8:55 ` Pekka Enberg [this message]
2010-12-09 14:46 ` Mel Gorman
2010-12-09 14:44 ` Mel Gorman
2010-12-09 18:03 ` Andrew Morton
2010-12-09 18:48 ` Ying Han
2010-12-10 11:34 ` Mel Gorman
2010-12-09 18:39 ` Ying Han
2010-12-10 11:37 ` Mel Gorman
2010-12-10 19:46 ` Ying Han
2010-12-09 1:29 ` Minchan Kim
2010-12-09 18:51 ` Ying Han
2010-12-10 7:25 ` KOSAKI Motohiro
2010-12-10 7:37 ` KOSAKI Motohiro
2010-12-10 10:54 ` Johannes Weiner
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