From: David Howells <dhowells@redhat.com>
To: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>
Cc: dhowells@redhat.com, Minchan Kim <minchan.kim@gmail.com>,
Andrew Morton <akpm@linux-foundation.org>,
torvalds@linux-foundation.org, peterz@infradead.org,
Enrik.Berkhan@ge.com, uclinux-dev@uclinux.org,
linux-kernel@vger.kernel.org, linux-mm@kvack.org,
Johannes Weiner <hannes@cmpxchg.org>,
Rik van Riel <riel@surriel.com>,
Lee Schermerhorn <lee.schermerhorn@hp.com>
Subject: Re: [PATCH] NOMMU: Pages allocated to a ramfs inode's pagecache may get wrongly discarded
Date: Fri, 13 Mar 2009 11:53:02 +0000 [thread overview]
Message-ID: <27074.1236945182@redhat.com> (raw)
In-Reply-To: <20090312100049.43A3.A69D9226@jp.fujitsu.com>
KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com> wrote:
> David, Could you please try following patch if you have NOMMU machine?
> it is straightforward porting to nommu.
Is this patch actually sufficient, though? Surely it requires an alteration
to ramfs to mark the page as being unevictable?
David
next prev parent reply other threads:[~2009-03-13 11:56 UTC|newest]
Thread overview: 59+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-03-11 15:30 [PATCH] NOMMU: Pages allocated to a ramfs inode's pagecache may get wrongly discarded David Howells
2009-03-11 17:26 ` Johannes Weiner
2009-03-11 22:03 ` Andrew Morton
2009-03-11 22:36 ` Johannes Weiner
2009-03-12 0:02 ` Andrew Morton
2009-03-12 0:35 ` Minchan Kim
2009-03-12 1:04 ` KOSAKI Motohiro
2009-03-12 1:52 ` Minchan Kim
2009-03-12 1:56 ` Minchan Kim
2009-03-12 2:00 ` KOSAKI Motohiro
2009-03-12 2:11 ` Minchan Kim
2009-03-12 12:19 ` Robin Getz
2009-03-12 17:55 ` [uClinux-dev] " Jamie Lokier
2009-03-13 11:53 ` David Howells [this message]
2009-03-13 22:49 ` Johannes Weiner
2009-03-13 17:33 ` [PATCH 0/2] Make the Unevictable LRU available on NOMMU David Howells
2009-03-13 17:33 ` [PATCH 1/2] NOMMU: There is no mlock() for NOMMU, so don't provide the bits David Howells
2009-03-14 11:17 ` KOSAKI Motohiro
2009-03-13 17:33 ` [PATCH 2/2] NOMMU: Make CONFIG_UNEVICTABLE_LRU available when CONFIG_MMU=n David Howells
2009-03-14 11:17 ` KOSAKI Motohiro
2009-03-14 0:27 ` [PATCH 0/2] Make the Unevictable LRU available on NOMMU Minchan Kim
2009-03-20 16:08 ` Lee Schermerhorn
2009-03-20 16:24 ` David Howells
2009-03-20 18:30 ` Lee Schermerhorn
2009-03-21 10:20 ` Johannes Weiner
2009-03-22 20:13 ` [patch 1/3] mm: decouple unevictable lru from mmu Johannes Weiner
2009-03-22 23:46 ` KOSAKI Motohiro
2009-03-23 0:14 ` Johannes Weiner
2009-03-23 10:48 ` David Howells
2009-03-22 20:13 ` [patch 2/3] ramfs-nommu: use generic lru cache Johannes Weiner
2009-03-23 2:22 ` KOSAKI Motohiro
2009-03-23 10:40 ` David Howells
2009-03-22 20:13 ` [patch 3/3] mm: keep pages from unevictable mappings off the LRU lists Johannes Weiner
2009-03-23 0:44 ` Minchan Kim
2009-03-23 2:21 ` KOSAKI Motohiro
2009-03-23 8:42 ` Johannes Weiner
2009-03-23 9:01 ` KOSAKI Motohiro
2009-03-23 9:23 ` KOSAKI Motohiro
2009-03-26 0:48 ` Johannes Weiner
2009-03-23 10:53 ` David Howells
2009-03-26 0:01 ` Johannes Weiner
2009-03-26 8:56 ` KOSAKI Motohiro
2009-03-26 10:36 ` Johannes Weiner
2009-03-23 20:07 ` [PATCH 0/2] Make the Unevictable LRU available on NOMMU Lee Schermerhorn
2009-03-12 0:08 ` [PATCH] NOMMU: Pages allocated to a ramfs inode's pagecache may get wrongly discarded Andrew Morton
2009-03-12 7:12 ` Berkhan, Enrik (GE Infra, Oil & Gas)
2009-03-12 11:29 ` [uClinux-dev] " Jamie Lokier
2009-03-12 11:50 ` Peter Zijlstra
2009-03-12 23:20 ` Minchan Kim
2009-03-13 7:56 ` Peter Zijlstra
2009-03-13 9:17 ` Minchan Kim
2009-03-12 12:25 ` David Howells
2009-03-12 19:43 ` Andrew Morton
2009-03-13 2:03 ` KOSAKI Motohiro
2009-03-13 7:57 ` Peter Zijlstra
2009-03-13 8:15 ` KOSAKI Motohiro
2009-03-13 9:19 ` Minchan Kim
2009-03-13 10:44 ` Johannes Weiner
2009-03-14 14:29 ` KOSAKI Motohiro
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