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From: "Mike Snitzer" <snitzer@gmail.com>
To: "Rik van Riel" <riel@redhat.com>
Cc: linux-kernel@vger.kernel.org, linux-mm@kvack.org
Subject: Re: [patch 00/19] VM pageout scalability improvements
Date: Wed, 9 Jan 2008 23:39:02 -0500	[thread overview]
Message-ID: <170fa0d20801092039w22584e2fw6821e70157f55cae@mail.gmail.com> (raw)
In-Reply-To: <20080108205939.323955454@redhat.com>

On Jan 8, 2008 3:59 PM, Rik van Riel <riel@redhat.com> 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.
>
> Against 2.6.24-rc6-mm1

Hi Rik,

How much trouble am I asking for if I were to try to get your patchset
to fly on a fairly recent "stable" kernel (e.g. 2.6.22.15)?  If
workable, is such an effort before it's time relative to your TODO?

I see that you have an old port to a FC7-based 2.6.21 here:
http://people.redhat.com/riel/vmsplit/

Also, do you have a public git repo that you regularly publish to for
this patchset?  If not a git repo do you put the raw patchset on some
http/ftp server?

thanks,
Mike

  parent reply	other threads:[~2008-01-10  4:39 UTC|newest]

Thread overview: 88+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2008-01-08 20:59 [patch 00/19] VM pageout scalability improvements Rik van Riel
2008-01-08 20:59 ` [patch 01/19] move isolate_lru_page() to vmscan.c Rik van Riel
2008-01-08 22:03   ` Christoph Lameter
2008-01-08 20:59 ` [patch 02/19] free swap space on swap-in/activation Rik van Riel
2008-01-08 22:10   ` Christoph Lameter
2008-01-08 20:59 ` [patch 03/19] define page_file_cache() function Rik van Riel
2008-01-08 22:18   ` Christoph Lameter
2008-01-08 22:28     ` Rik van Riel
2008-01-09  4:26       ` KAMEZAWA Hiroyuki
2008-01-08 20:59 ` [patch 04/19] Use an indexed array for LRU variables Rik van Riel
2008-01-08 20:59 ` [patch 05/19] split LRU lists into anon & file sets Rik van Riel
2008-01-08 22:22   ` Christoph Lameter
2008-01-08 22:36     ` Rik van Riel
2008-01-08 22:42       ` Christoph Lameter
2008-01-09  2:45         ` Rik van Riel
2008-01-09  4:41   ` KAMEZAWA Hiroyuki
2008-01-10  2:21     ` Balbir Singh
2008-01-10  2:36       ` KAMEZAWA Hiroyuki
2008-01-10  3:26         ` Balbir Singh
2008-01-10  4:23           ` KAMEZAWA Hiroyuki
2008-01-10  2:28   ` KAMEZAWA Hiroyuki
2008-01-10  2:37     ` Rik van Riel
2008-01-11  3:59   ` KOSAKI Motohiro
2008-01-11 15:37     ` Rik van Riel
2008-01-11  6:24   ` KOSAKI Motohiro
2008-01-11 15:42     ` Rik van Riel
2008-01-11 15:59       ` Lee Schermerhorn
2008-01-11 16:15         ` Rik van Riel
2008-01-11 19:51           ` Lee Schermerhorn
2008-01-11 15:50     ` Lee Schermerhorn
2008-01-11 16:06       ` Rik van Riel
2008-01-11  7:35   ` KOSAKI Motohiro
2008-01-11 15:46     ` Rik van Riel
2008-01-14 23:57       ` KOSAKI Motohiro
2008-01-30  3:25   ` KOSAKI Motohiro
2008-01-30  8:57     ` KOSAKI Motohiro
2008-01-30 14:29       ` Lee Schermerhorn
2008-01-31  1:17         ` KOSAKI Motohiro
2008-01-31 10:48           ` Rik van Riel
2008-01-31 10:59             ` KOSAKI Motohiro
2008-02-07  0:35       ` Rik van Riel
2008-02-07  1:20         ` KOSAKI Motohiro
2008-02-07  1:36           ` Rik van Riel
2008-01-08 20:59 ` [patch 06/19] SEQ replacement for anonymous pages Rik van Riel
2008-01-08 20:59 ` [patch 07/19] (NEW) add some sanity checks to get_scan_ratio Rik van Riel
2008-01-09  4:16   ` KAMEZAWA Hiroyuki
2008-01-09 12:53     ` Rik van Riel
2008-01-08 20:59 ` [patch 08/19] add newly swapped in pages to the inactive list Rik van Riel
2008-01-08 22:28   ` Christoph Lameter
2008-01-08 20:59 ` [patch 09/19] (NEW) more aggressively use lumpy reclaim Rik van Riel
2008-01-08 22:30   ` Christoph Lameter
2008-01-14 15:28     ` Mel Gorman
2008-01-08 20:59 ` [patch 10/19] No Reclaim LRU Infrastructure Rik van Riel
2008-01-11  4:36   ` KOSAKI Motohiro
2008-01-11 15:43     ` Lee Schermerhorn
2008-01-15  0:06       ` KOSAKI Motohiro
2008-01-08 20:59 ` [patch 11/19] Non-reclaimable page statistics Rik van Riel
2008-01-08 20:59 ` [patch 12/19] scan noreclaim list for reclaimable pages Rik van Riel
2008-01-08 20:59 ` [patch 13/19] ramfs pages are non-reclaimable Rik van Riel
2008-01-08 20:59 ` [patch 14/19] SHM_LOCKED pages are nonreclaimable Rik van Riel
2008-01-08 20:59 ` [patch 15/19] non-reclaimable mlocked pages Rik van Riel
2008-01-08 20:59 ` [patch 16/19] mlock vma pages under mmap_sem held for read Rik van Riel
2008-01-08 20:59 ` [patch 17/19] handle mlocked pages during map/unmap and truncate Rik van Riel
2008-01-08 20:59 ` [patch 18/19] account mlocked pages Rik van Riel
2008-01-11 12:51   ` Balbir Singh
2008-01-13  5:18     ` Rik van Riel
2008-01-08 20:59 ` [patch 19/19] cull non-reclaimable anon pages from the LRU at fault time Rik van Riel
2008-01-10  4:39 ` Mike Snitzer [this message]
2008-01-10 15:41   ` [patch 00/19] VM pageout scalability improvements Rik van Riel
2008-01-10 16:08     ` Mike Snitzer
2008-01-11 10:41 ` Balbir Singh
2008-01-11 15:38   ` Rik van Riel
2008-01-11 11:47 ` Balbir Singh
2008-01-16  6:17 ` rvr split LRU minor regression ? KOSAKI Motohiro
  -- strict thread matches above, loose matches on Subject: below --
2008-01-02 22:41 [patch 00/19] VM pageout scalability improvements linux-kernel
2008-01-03 16:52 ` Lee Schermerhorn
2008-01-03 17:00   ` Rik van Riel
2008-01-03 17:13     ` Lee Schermerhorn
2008-01-03 22:00       ` Rik van Riel
2008-01-04 16:25         ` Lee Schermerhorn
2008-01-04 16:34           ` Andi Kleen
2008-01-04 16:55             ` Rik van Riel
2008-01-04 18:07               ` Larry Woodman
2008-01-04 17:06             ` Lee Schermerhorn
2008-01-07 19:07               ` Christoph Lameter
2008-01-07 19:32                 ` Rik van Riel
2008-01-07 10:06     ` KAMEZAWA Hiroyuki
2008-01-07 15:18       ` Rik van Riel

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