From: David Chinner <dgc@sgi.com>
To: "Jörn Engel" <joern@logfs.org>
Cc: Christoph Lameter <clameter@sgi.com>,
Nick Piggin <npiggin@suse.de>, Rik van Riel <riel@redhat.com>,
Anton Altaparmakov <aia21@cam.ac.uk>,
Suparna Bhattacharya <suparna@in.ibm.com>,
Christoph Hellwig <hch@infradead.org>,
Zach Brown <zach.brown@oracle.com>,
Hugh Dickins <hugh@veritas.com>,
Jared Hulbert <jaredeh@gmail.com>,
Chris Mason <chris.mason@oracle.com>, David Chinner <dgc@sgi.com>,
"Martin J. Bligh" <mbligh@mbligh.org>,
Trond Myklebust <trond.myklebust@fys.uio.no>,
Neil Brown <neilb@suse.de>, Miklos Szeredi <miklos@szeredi.hu>,
Mingming Cao <cmm@us.ibm.com>,
Linux Memory Management List <linux-mm@kvack.org>,
linux-fsdevel@vger.kernel.org
Subject: Re: vm/fs meetup details
Date: Mon, 9 Jul 2007 09:29:38 +1000 [thread overview]
Message-ID: <20070708232938.GG12413810@sgi.com> (raw)
In-Reply-To: <20070707104534.GA5686@lazybastard.org>
On Sat, Jul 07, 2007 at 12:45:35PM +0200, Jörn Engel wrote:
> On Fri, 6 July 2007 13:40:03 -0700, Christoph Lameter wrote:
> >
> > An interesting topic is certainly
> >
> > 1. Large buffer support
> >
> > 2. icache/dentry/buffer_head defragmentation.
>
> Oh certainly! I should dust off my dcache_static patch. Some dentries
> are hands-off for the shrinker, basically mountpoints and tmpfs. The
> patch moves those to a seperate slab cache.
I doubt there's enough of those to make any difference - putting all
the directories into another slab did little to reduce fragmentation
(~18 months ago we tried that), so I don't think that this would help
at all...
Cheers,
Dave.
--
Dave Chinner
Principal Engineer
SGI Australian Software Group
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next prev parent reply other threads:[~2007-07-08 23:30 UTC|newest]
Thread overview: 21+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-07-05 4:01 vm/fs meetup details Nick Piggin
2007-07-05 14:32 ` Peter Zijlstra
2007-07-05 17:54 ` Rik van Riel
2007-07-05 20:40 ` Zach Brown
2007-07-05 21:27 ` David Chinner
2007-07-05 21:40 ` Rik van Riel
2007-07-06 2:26 ` Nick Piggin
2007-07-06 10:01 ` David Chinner
2007-07-06 10:26 ` Jörn Engel
2007-07-06 13:42 ` David Chinner
2007-07-06 13:52 ` Chris Mason
2007-07-06 15:57 ` Jörn Engel
2007-07-06 15:58 ` Steven Whitehouse
2007-07-06 23:47 ` Neil Brown
2007-07-06 2:00 ` Nick Piggin
2007-07-06 20:40 ` Christoph Lameter
2007-07-07 10:45 ` Jörn Engel
2007-07-08 23:29 ` David Chinner [this message]
2007-07-09 0:27 ` Jörn Engel
2007-07-09 15:53 ` Martin Bligh
2007-07-27 14:30 ` Dave Kleikamp
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