From: David Miller <davem@davemloft.net>
To: holt@sgi.com
Cc: cl@linux-foundation.org, kosaki.motohiro@jp.fujitsu.com,
linux-kernel@vger.kernel.org, linux-mm@kvack.org,
akpm@linux-foundation.org, tokunaga.keiich@jp.fujitsu.com
Subject: Re: [RFC][PATCH 0/2] Quicklist is slighly problematic.
Date: Wed, 20 Aug 2008 20:08:52 -0700 (PDT) [thread overview]
Message-ID: <20080820.200852.193706487.davem@davemloft.net> (raw)
In-Reply-To: <20080821021332.GA23397@sgi.com>
From: Robin Holt <holt@sgi.com>
Date: Wed, 20 Aug 2008 21:13:32 -0500
> One problem I see is somebody got rid of the node awareness. We used
> to not put pages onto a quicklist when they were being released from a
> different node than the cpu is on. Not sure where that went. It was
> done because of the trap page problem described here.
NUMA awareness is one of the reasons I keep thinking about dropping
quicklist usage on sparc64.
Using SLAB/SLUB for the page table bits with appropriate constructor
and destructor bits ought to be able to approximate the gains
from avoiding the initialization for cached objects.
next prev parent reply other threads:[~2008-08-21 3:09 UTC|newest]
Thread overview: 43+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-08-20 11:05 KOSAKI Motohiro
2008-08-20 11:07 ` [RFC][PATCH 1/2] Show quicklist at meminfo KOSAKI Motohiro
2008-08-20 18:35 ` Andrew Morton
2008-08-21 7:36 ` KOSAKI Motohiro
2008-08-22 1:05 ` KOSAKI Motohiro
2008-08-22 4:28 ` Andrew Morton
2008-08-22 13:23 ` Robin Holt
2008-08-22 13:56 ` Christoph Lameter
2008-08-23 8:24 ` KOSAKI Motohiro
2008-08-24 5:29 ` Andrew Morton
2008-08-20 11:08 ` [RFC][PATCH 2/2] quicklist shouldn't be proportional to # of CPUs KOSAKI Motohiro
2008-08-20 15:27 ` Christoph Lameter
2008-08-21 6:46 ` Andrew Morton
2008-08-21 7:13 ` David Miller
2008-08-21 7:18 ` KOSAKI Motohiro
2008-08-21 7:27 ` Andrew Morton
2008-08-21 7:31 ` KOSAKI Motohiro
2008-08-21 9:32 ` Peter Zijlstra
2008-08-21 10:04 ` KOSAKI Motohiro
2008-08-21 10:09 ` David Miller
2008-08-21 10:13 ` KOSAKI Motohiro
2008-08-21 10:26 ` David Miller
2008-08-21 10:22 ` KOSAKI Motohiro
2008-08-21 12:02 ` KOSAKI Motohiro
2008-08-25 18:48 ` Mike Travis
2008-08-25 23:33 ` KOSAKI Motohiro
2008-08-26 20:35 ` Mike Travis
2008-08-25 18:44 ` Mike Travis
2008-08-25 18:40 ` Mike Travis
2008-08-25 23:31 ` KOSAKI Motohiro
2008-08-20 14:10 ` [RFC][PATCH 0/2] Quicklist is slighly problematic Christoph Lameter
2008-08-20 14:49 ` KOSAKI Motohiro
2008-08-20 15:26 ` Christoph Lameter
2008-08-21 2:13 ` Robin Holt
2008-08-21 2:16 ` Robin Holt
2008-08-21 3:08 ` David Miller [this message]
2008-08-21 13:10 ` Christoph Lameter
2008-08-20 18:31 ` Andrew Morton
2008-08-21 2:42 ` Robin Holt
2008-08-21 13:07 ` Christoph Lameter
2008-08-21 13:14 ` Robin Holt
2008-08-21 13:18 ` Christoph Lameter
2008-08-21 13:45 ` Robin Holt
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