From: Peter Chubb <peterc@chubb.wattle.id.au>
To: Jeremy Fitzhardinge <jeremy@goop.org>, ianw@gelato.unsw.edu.au
Cc: Matt Mackall <mpm@selenic.com>,
David Miller <davem@davemloft.net>,
nickpiggin@yahoo.com.au, akpm@linux-foundation.org,
clameter@sgi.com, linux-mm@kvack.org,
linux-kernel@vger.kernel.org
Subject: Re: [QUICKLIST 0/4] Arch independent quicklists V2
Date: Wed, 14 Mar 2007 08:46:33 +1100 [thread overview]
Message-ID: <87hcsoakau.wl%peterc@chubb.wattle.id.au> (raw)
In-Reply-To: <45F7194B.5080705@goop.org>
>>>>> "Jeremy" == Jeremy Fitzhardinge <jeremy@goop.org> writes:
Jeremy> And do the same in pte pages for actual mapped pages? Or do
Jeremy> you think they would be too densely populated for it to be
Jeremy> worthwhile?
We've been doing some measurements on how densely clumped ptes are.
On 32-bit platforms, they're pretty dense. On IA64, quite a bit
sparser, depending on the workload of course. I think that's mostly because
of the larger pagesize on IA64 -- with 64k pages, you don't need very
many to map a small object.
I'm hoping IanW can give more details.
next prev parent reply other threads:[~2007-03-13 22:26 UTC|newest]
Thread overview: 35+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-03-13 7:13 [QUICKLIST 0/4] Arch independent quicklists V2 Christoph Lameter
2007-03-13 7:13 ` [QUICKLIST 1/4] Generic quicklist implementation Christoph Lameter
2007-03-13 9:05 ` Paul Mundt
2007-03-15 20:51 ` Christoph Lameter
2007-03-13 7:13 ` [QUICKLIST 2/4] Quicklist support for i386 Christoph Lameter
2007-03-13 7:13 ` [QUICKLIST 3/4] Quicklist support for x86_64 Christoph Lameter
2007-03-13 7:13 ` [QUICKLIST 4/4] Quicklist support for sparc64 Christoph Lameter
2007-03-13 8:53 ` [QUICKLIST 0/4] Arch independent quicklists V2 Andrew Morton
2007-03-13 8:03 ` Nick Piggin
2007-03-13 11:52 ` Andrew Morton
2007-03-13 11:06 ` Nick Piggin
2007-03-13 12:15 ` Andrew Morton
2007-03-13 11:20 ` Christoph Lameter
2007-03-13 12:30 ` Andrew Morton
2007-03-15 20:23 ` Christoph Lameter
2007-03-13 11:30 ` Nick Piggin
2007-03-13 12:47 ` Andrew Morton
2007-03-13 12:01 ` Nick Piggin
2007-03-13 13:11 ` Andrew Morton
2007-03-13 12:18 ` Nick Piggin
2007-03-13 17:30 ` Jeremy Fitzhardinge
2007-03-13 20:03 ` Matt Mackall
2007-03-13 20:17 ` Jeremy Fitzhardinge
2007-03-13 20:21 ` Matt Mackall
2007-03-13 21:07 ` David Miller
2007-03-13 21:14 ` Matt Mackall
2007-03-13 21:36 ` Jeremy Fitzhardinge
2007-03-13 21:46 ` Peter Chubb [this message]
2007-03-13 21:48 ` David Miller
2007-03-14 1:12 ` William Lee Irwin III
2007-03-15 23:12 ` William Lee Irwin III
2007-03-13 23:58 ` Paul Mackerras
2007-03-13 11:17 ` Christoph Lameter
2007-03-13 12:27 ` Andrew Morton
2007-03-15 20:28 ` Christoph Lameter
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