From: Balbir Singh <balbir@linux.vnet.ibm.com>
To: Rik van Riel <riel@redhat.com>
Cc: linux-kernel@vger.kernel.org,
Andrew Morton <akpm@linux-foundation.org>,
Lee Schermerhorn <lee.schermerhorn@hp.com>,
Kosaki Motohiro <kosaki.motohiro@jp.fujitsu.com>
Subject: Re: [PATCH -mm 00/16] VM pageout scalability improvements (V8)
Date: Mon, 26 May 2008 23:54:55 +0530 [thread overview]
Message-ID: <483B0077.7000207@linux.vnet.ibm.com> (raw)
In-Reply-To: <20080523195506.084894989@redhat.com>
Rik van Riel wrote:
> On large memory systems, the VM can spend way too much time scanning
> through pages that it cannot (or should not) evict from memory. Not
> only does it use up CPU time, but it also provokes lock contention
> and can leave large systems under memory presure in a catatonic state.
Hi, Rik,
This patchset looks good (I did a brief scan). I'll go ahead and play with it?
What is a good memory size to test the patches on (to see improvements).
--
Warm Regards,
Balbir Singh
Linux Technology Center
IBM, ISTL
next prev parent reply other threads:[~2008-05-26 18:26 UTC|newest]
Thread overview: 39+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-05-23 19:55 [PATCH -mm 00/16] VM pageout scalability improvements (V8) Rik van Riel
2008-05-23 19:55 ` [PATCH -mm 01/16] move isolate_lru_page() to vmscan.c Rik van Riel
2008-05-23 19:55 ` [PATCH -mm 02/16] Use an indexed array for LRU variables Rik van Riel
2008-05-27 16:54 ` Lee Schermerhorn
2008-05-27 17:03 ` Rik van Riel
2008-05-23 19:55 ` [PATCH -mm 03/16] use an array for the LRU pagevecs Rik van Riel
2008-05-23 19:55 ` [PATCH -mm 04/16] free swap space on swap-in/activation Rik van Riel
2008-05-28 9:08 ` Daisuke Nishimura
2008-05-23 19:55 ` [PATCH -mm 05/16] define page_file_cache() function Rik van Riel
2008-05-23 19:55 ` [PATCH -mm 06/16] split LRU lists into anon & file sets Rik van Riel
2008-05-23 19:55 ` [PATCH -mm 07/16] second chance replacement for anonymous pages Rik van Riel
2008-05-28 5:36 ` Daisuke Nishimura
2008-05-28 13:39 ` Rik van Riel
2008-05-28 15:42 ` Daisuke Nishimura
2008-05-28 16:08 ` Rik van Riel
2008-05-28 11:03 ` KOSAKI Motohiro
2008-05-28 13:43 ` Rik van Riel
2008-05-23 19:55 ` [PATCH -mm 08/16] add some sanity checks to get_scan_ratio Rik van Riel
2008-05-23 19:55 ` [PATCH -mm 09/16] fix pagecache reclaim referenced bit check Rik van Riel
2008-05-23 19:55 ` [PATCH -mm 10/16] add newly swapped in pages to the inactive list Rik van Riel
2008-05-23 19:55 ` [PATCH -mm 11/16] more aggressively use lumpy reclaim Rik van Riel
2008-05-23 19:55 ` [PATCH -mm 12/16] pageflag helpers for configed-out flags Rik van Riel
2008-05-23 19:55 ` [PATCH -mm 13/16] No Reclaim LRU Infrastructure Rik van Riel
2008-05-23 19:55 ` [PATCH -mm 14/16] Non-reclaimable page statistics Rik van Riel
2008-05-23 19:55 ` [PATCH -mm 15/16] ramfs pages are non-reclaimable Rik van Riel
2008-05-23 19:55 ` [PATCH -mm 16/16] SHM_LOCKED pages are nonreclaimable Rik van Riel
2008-05-26 18:24 ` Balbir Singh [this message]
2008-05-26 19:33 ` [PATCH -mm 00/16] VM pageout scalability improvements (V8) Rik van Riel
2008-05-27 15:54 ` Lee Schermerhorn
2008-05-27 16:10 ` Balbir Singh
2008-05-28 1:12 ` KAMEZAWA Hiroyuki
2008-05-28 11:04 ` [RFC PATCH] No Reclaim LRU Infrastructure enhancement for memcgroup KOSAKI Motohiro
2008-05-29 2:30 ` Balbir Singh
2008-05-29 11:14 ` Daisuke Nishimura
2008-05-28 11:49 ` [PATCH -mm 00/16] VM pageout scalability improvements (V8) Balbir Singh
2008-05-28 13:33 ` KOSAKI Motohiro
2008-05-28 13:36 ` Balbir Singh
2008-05-29 12:47 ` Carsten Otte
2008-05-29 14:43 ` Rik van Riel
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