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From: Andrew Morton <akpm@linux-foundation.org>
To: Christoph Lameter <clameter@sgi.com>
Cc: linux-mm@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [QUICKLIST 1/5] Quicklists for page table pages V3
Date: Mon, 19 Mar 2007 16:53:29 -0700	[thread overview]
Message-ID: <20070319165329.b5830789.akpm@linux-foundation.org> (raw)
In-Reply-To: <20070319233716.13775.45569.sendpatchset@schroedinger.engr.sgi.com>

On Mon, 19 Mar 2007 15:37:16 -0800 (PST)
Christoph Lameter <clameter@sgi.com> wrote:

> This patchset introduces an arch independent framework to handle lists
> of recently used page table pages to replace the existing (ab)use of the
> slab for that purpose.
> 
> 1. Proven code from the IA64 arch.

Has it been proven that quicklists are superior to simply going direct to the
page allocator for these pages?

Would it provide a superior solution if we were to a) stop zeroing out the
pte's when doing a fullmm==1 teardown and b) go direct to the page allocator
for these pages?

  parent reply	other threads:[~2007-03-19 23:53 UTC|newest]

Thread overview: 18+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2007-03-19 23:37 Christoph Lameter
2007-03-19 23:37 ` [QUICKLIST 2/5] Quicklist support for IA64 Christoph Lameter
2007-03-19 23:37 ` [QUICKLIST 3/5] Quicklist support for i386 Christoph Lameter
2007-03-19 23:37 ` [QUICKLIST 4/5] Quicklist support for x86_64 Christoph Lameter
2007-03-19 23:37 ` [QUICKLIST 5/5] Quicklist support for sparc64 Christoph Lameter
2007-03-19 23:53 ` Andrew Morton [this message]
2007-03-19 23:57   ` [QUICKLIST 1/5] Quicklists for page table pages V3 Christoph Lameter
2007-03-20  0:07     ` Andrew Morton
2007-03-20  0:44       ` Christoph Lameter
2007-03-20  0:55         ` Andrew Morton
2007-03-20  1:03           ` Christoph Lameter
2007-03-20  1:32             ` Andrew Morton
2007-03-20 19:41               ` Christoph Lameter
2007-03-19 23:58   ` David Miller
2007-03-20  0:21 ` Andrew Morton
2007-03-20  1:06   ` Christoph Lameter
2007-03-20  3:12 ` Paul Mackerras
2007-03-20 19:43   ` Christoph Lameter

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