From: Matthew Wilcox <matthew@wil.cx>
To: Nick Piggin <nickpiggin@yahoo.com.au>
Cc: Daniel Phillips <phillips@phunq.net>,
linux-fsdevel@vger.kernel.org, tux3@tux3.org,
Andrew Morton <akpm@linux-foundation.org>,
linux-kernel@vger.kernel.org
Subject: Re: [Tux3] Tux3 report: Tux3 Git tree available
Date: Thu, 12 Mar 2009 07:59:40 -0600 [thread overview]
Message-ID: <20090312135940.GB14425@parisc-linux.org> (raw)
In-Reply-To: <200903130004.40483.nickpiggin@yahoo.com.au>
On Fri, Mar 13, 2009 at 12:04:40AM +1100, Nick Piggin wrote:
> As far as the per-block pagecache state (as opposed to the per-block fs
> state), I don't see any reason it is a problem for efficiency. We have to
> do per-page operations anyway.
Why? Wouldn't it be nice if we could do arbitrary extents? I suppose
superpages or soft page sizes get us most of the way there, but the
rounding or pieces at the end are a bit of a pain. Sure, it'll be a
huge upheaval for the VM, but we're good at huge upheavals ;-)
--
Matthew Wilcox Intel Open Source Technology Centre
"Bill, look, we understand that you're interested in selling us this
operating system, but compare it to ours. We can't possibly take such
a retrograde step."
next prev parent reply other threads:[~2009-03-12 13:59 UTC|newest]
Thread overview: 23+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <200903110925.37614.phillips@phunq.net>
[not found] ` <200903122010.31282.nickpiggin@yahoo.com.au>
[not found] ` <200903120315.07610.phillips@phunq.net>
2009-03-12 11:03 ` [Tux3] Tux3 report: Tux3 Git tree available Nick Piggin
2009-03-12 12:24 ` Daniel Phillips
2009-03-12 12:32 ` Matthew Wilcox
2009-03-12 12:45 ` Nick Piggin
2009-03-12 13:12 ` [Tux3] " Daniel Phillips
2009-03-12 13:06 ` Daniel Phillips
2009-03-12 13:04 ` Nick Piggin
2009-03-12 13:59 ` Matthew Wilcox [this message]
2009-03-12 14:19 ` [Tux3] " Nick Piggin
2009-03-15 3:24 ` Daniel Phillips
2009-03-15 3:50 ` [Tux3] " Nick Piggin
2009-03-15 4:08 ` Daniel Phillips
2009-03-15 4:14 ` [Tux3] " Nick Piggin
2009-03-15 2:41 ` Daniel Phillips
2009-03-15 3:45 ` Nick Piggin
2009-03-15 21:44 ` Theodore Tso
2009-03-15 22:41 ` Daniel Phillips
2009-03-16 10:32 ` Nick Piggin
2009-03-16 5:12 ` Dave Chinner
2009-03-16 6:38 ` Theodore Tso
2009-03-16 10:14 ` Nick Piggin
2009-03-12 17:06 ` [Tux3] " Theodore Tso
2009-03-13 9:32 ` Nick Piggin
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