From: Hugh Dickins <hugh@veritas.com>
To: Rik van Riel <riel@redhat.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>,
Andrew Morton <akpm@linux-foundation.org>,
KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>,
LKML <linux-kernel@vger.kernel.org>,
linux-mm <linux-mm@kvack.org>,
Gene Heskett <gene.heskett@gmail.com>
Subject: Re: [PATCH] mm: evict streaming IO cache first
Date: Sun, 16 Nov 2008 21:28:08 +0000 (GMT) [thread overview]
Message-ID: <Pine.LNX.4.64.0811162126550.17921@blonde.site> (raw)
In-Reply-To: <49208E9A.5080801@redhat.com>
On Sun, 16 Nov 2008, Rik van Riel wrote:
>
> I wonder if the "do not do mark_page_accessed at page fault time"
> patch is triggering the current troublesome behaviour in the VM,
> because actively used file pages are not moved out of the way of
> the VM - which leads get_scan_ratio to believe that we are already
> hitting the working set on the file side and should also start
> scanning the anon LRUs.
That patch is only in the -mm tree, not in 2.6.28-rc.
Hugh
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next prev parent reply other threads:[~2008-11-16 21:28 UTC|newest]
Thread overview: 27+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-11-15 9:38 KOSAKI Motohiro
2008-11-16 0:58 ` Rik van Riel
2008-11-16 5:00 ` Andrew Morton
2008-11-16 18:15 ` Linus Torvalds
2008-11-16 21:20 ` Rik van Riel
2008-11-16 21:28 ` Hugh Dickins [this message]
2008-11-17 4:47 ` Andrew Morton
2008-11-17 6:19 ` Nick Piggin
2008-11-17 6:30 ` KAMEZAWA Hiroyuki
2008-11-17 6:39 ` KOSAKI Motohiro
2008-11-17 6:54 ` KAMEZAWA Hiroyuki
2008-11-17 7:03 ` KOSAKI Motohiro
2008-11-17 8:22 ` KAMEZAWA Hiroyuki
2008-11-17 8:32 ` KOSAKI Motohiro
2008-11-17 16:22 ` Rik van Riel
2008-11-17 16:22 ` Linus Torvalds
2008-11-17 16:27 ` Rik van Riel
2008-11-17 16:37 ` Linus Torvalds
2008-11-17 16:54 ` Rik van Riel
2008-11-17 17:06 ` Linus Torvalds
2008-11-17 17:16 ` [PATCH] vmscan: fix get_scan_ratio comment Rik van Riel
2008-11-17 17:32 ` KOSAKI Motohiro
2008-11-17 17:35 ` Linus Torvalds
2008-11-17 18:53 ` Rik van Riel
2008-11-17 20:23 ` Rik van Riel
2008-11-18 0:06 ` [PATCH] vmscan: evict streaming IO first Rik van Riel
2008-12-01 20:24 ` Andrew Morton
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