From: Trond Myklebust <trond.myklebust@fys.uio.no>
To: Nick Piggin <nickpiggin@yahoo.com.au>
Cc: Kenny Simpson <theonetruekenny@yahoo.com>,
Andrew Morton <akpm@osdl.org>,
linux-kernel@vger.kernel.org
Subject: Re: nfs unhappiness with memory pressure
Date: Mon, 05 Dec 2005 16:18:56 -0500 [thread overview]
Message-ID: <1133817536.12393.21.camel@lade.trondhjem.org> (raw)
In-Reply-To: <4394A87E.7050507@yahoo.com.au>
On Tue, 2005-12-06 at 07:52 +1100, Nick Piggin wrote:
> The VM doesn't expect to have to rely on pdflush to write out pages
> for it. ->writepage should be enough. Adding wakeup_pdflush here
> actually could do the wrong thing for non-NFS filesystems if it
> starts more writeback.
nr_unstable is not going to be set for non-NFS filesystems. 'unstable'
is a caching state in which pages have been written out to the NFS
server, but the server has not yet flushed the data to disk.
Cheers,
Trond
next prev parent reply other threads:[~2005-12-05 21:19 UTC|newest]
Thread overview: 89+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <20051115224645.27832.qmail@web34103.mail.mud.yahoo.com>
2005-11-15 23:47 ` mmap over nfs leads to excessive system load Kenny Simpson
2005-11-16 4:31 ` William Lee Irwin III
2005-11-16 6:05 ` Kenny Simpson
2005-11-16 7:45 ` Andrew Morton
2005-11-16 14:03 ` Trond Myklebust
2005-11-16 15:01 ` Kenny Simpson
2005-11-16 17:44 ` Trond Myklebust
2005-11-16 18:00 ` Andrew Morton
2005-11-16 18:34 ` Trond Myklebust
2005-11-16 18:38 ` Christoph Hellwig
2005-11-17 13:08 ` Nikita Danilov
2005-11-16 19:09 ` Andrew Morton
2005-11-16 20:05 ` Trond Myklebust
2005-11-16 20:56 ` Kenny Simpson
2005-11-16 21:02 ` Kenny Simpson
2005-11-16 21:09 ` Trond Myklebust
2005-11-16 21:17 ` Kenny Simpson
2005-11-16 21:41 ` Kenny Simpson
2005-11-16 21:57 ` Trond Myklebust
2005-11-16 22:04 ` Kenny Simpson
2005-11-16 22:39 ` Kenny Simpson
2005-11-16 23:06 ` Trond Myklebust
2005-11-17 15:40 ` Chuck Lever
2005-11-17 16:56 ` Kenny Simpson
2005-11-17 16:01 ` Kenny Simpson
2005-11-17 21:04 ` Andrew Morton
2005-11-17 21:15 ` Kenny Simpson
2005-11-18 16:55 ` Kenny Simpson
2005-11-18 17:26 ` Kenny Simpson
2005-11-18 21:57 ` Kenny Simpson
2005-11-21 17:13 ` infinite loop? with mmap, nfs, pwrite, O_DIRECT Kenny Simpson
2005-11-21 17:49 ` Chuck Lever
2005-11-21 18:40 ` Kenny Simpson
2005-11-21 20:39 ` Andrew Morton
2005-11-21 21:39 ` Kenny Simpson
2005-11-21 22:42 ` Trond Myklebust
2005-11-21 23:14 ` Kenny Simpson
2005-11-21 23:34 ` Andrew Morton
2005-11-21 23:58 ` Trond Myklebust
2005-11-22 0:09 ` Andrew Morton
2005-11-22 0:18 ` Trond Myklebust
2005-11-22 0:25 ` Trond Myklebust
2005-11-22 0:28 ` Andrew Morton
2005-11-22 0:49 ` Trond Myklebust
2005-11-30 20:04 ` nfs unhappiness with memory pressure Kenny Simpson
2005-11-30 21:42 ` Keith Mannthey
2005-11-30 22:18 ` Kenny Simpson
2005-12-01 14:49 ` Kenny Simpson
2005-12-05 18:01 ` Kenny Simpson
2005-12-05 19:44 ` Kenny Simpson
2005-12-05 20:14 ` Kenny Simpson
2005-12-05 20:13 ` Trond Myklebust
2005-12-05 20:33 ` Trond Myklebust
2005-12-05 20:52 ` Nick Piggin
2005-12-05 21:18 ` Trond Myklebust [this message]
2005-12-05 21:23 ` Trond Myklebust
2005-12-05 23:40 ` Nick Piggin
2005-12-06 0:48 ` Trond Myklebust
2005-12-05 21:51 ` Kenny Simpson
2005-12-05 21:04 ` Kenny Simpson
2005-12-05 22:39 ` Trond Myklebust
2005-12-06 3:36 ` Andrew Morton
2005-12-06 3:36 ` Andrew Morton
2005-12-06 4:40 ` Trond Myklebust
2005-12-06 5:42 ` Nick Piggin
2005-12-06 12:18 ` Trond Myklebust
2005-12-06 19:31 ` Kenny Simpson
2005-12-06 15:51 ` Kenny Simpson
2005-11-21 21:54 ` infinite loop? with mmap, nfs, pwrite, O_DIRECT Kenny Simpson
2005-11-21 20:12 ` Kenny Simpson
2005-11-17 17:02 ` mmap over nfs leads to excessive system load Chuck Lever
2005-11-17 17:07 ` Trond Myklebust
2005-11-18 19:59 ` Kenny Simpson
2005-11-16 21:31 ` Andrew Morton
2005-11-16 21:49 ` Trond Myklebust
2005-11-16 22:10 ` Andrew Morton
2005-11-16 22:23 ` Trond Myklebust
2005-11-16 22:38 ` Trond Myklebust
2005-11-16 22:50 ` Andrew Morton
2005-11-16 22:44 ` Andrew Morton
2005-11-16 23:10 ` Trond Myklebust
2005-11-17 0:06 ` Trond Myklebust
2005-11-17 0:25 ` Andrew Morton
2005-11-17 0:28 ` Trond Myklebust
2005-11-17 0:38 ` Andrew Morton
2005-11-17 0:47 ` Trond Myklebust
2005-11-16 18:48 ` Kenny Simpson
2005-11-16 19:06 ` Kenny Simpson
2005-12-06 13:40 nfs unhappiness with memory pressure Albert Herranz
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