From: Jamie Lokier <jamie@shareable.org>
To: uClinux development list <uclinux-dev@uclinux.org>
Cc: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>,
Lee Schermerhorn <lee.schermerhorn@hp.com>,
Rik van Riel <riel@surriel.com>,
peterz@infradead.org, linux-kernel@vger.kernel.org,
linux-mm@kvack.org, Minchan Kim <minchan.kim@gmail.com>,
Johannes Weiner <hannes@cmpxchg.org>,
Andrew Morton <akpm@linux-foundation.org>,
torvalds@linux-foundation.org
Subject: Re: [uClinux-dev] Re: [PATCH] NOMMU: Pages allocated to a ramfs inode's pagecache may get wrongly discarded
Date: Thu, 12 Mar 2009 17:55:57 +0000 [thread overview]
Message-ID: <20090312175557.GD14491@shareable.org> (raw)
In-Reply-To: <200903120819.08724.rgetz@blackfin.uclinux.org>
Robin Getz wrote:
> > Currently, CONFIG_UNEVICTABLE_LRU can't use on nommu machine
> > because nobody of vmscan folk havbe nommu machine.
> >
> > Yes, it is very stupid reason. _very_ welcome to tester! :)
>
> As always - if you (or any kernel developer) would like a noMMU machine to
> test on - please send me a private email.
Well, that explains why vmscan has historically performed a little
dubiously on small nommu machines!
By the way, this is just a random side thought... nommu kernels work
just fine in emulators :-)
-- Jamie
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next prev parent reply other threads:[~2009-03-12 17:56 UTC|newest]
Thread overview: 42+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <20090311153034.9389.19938.stgit@warthog.procyon.org.uk>
2009-03-11 22:03 ` [PATCH] NOMMU: Pages allocated to a ramfs inode's pagecache may get wrongly discarded 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 ` Jamie Lokier [this message]
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
2009-03-22 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 10:40 ` [patch 2/3] ramfs-nommu: use generic lru cache David Howells
2009-03-23 10:53 ` [patch 3/3] mm: keep pages from unevictable mappings off the LRU lists 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
2009-03-13 11:53 ` [PATCH] NOMMU: Pages allocated to a ramfs inode's pagecache may get wrongly discarded David Howells
2009-03-13 22:49 ` Johannes Weiner
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