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Re: page fault scalability patch V12 [0/7]: Overview and performance tests

From:  Linus Torvalds <torvalds-AT-osdl.org>
To:  Christoph Lameter <clameter-AT-sgi.com>
Subject:  Re: page fault scalability patch V12 [0/7]: Overview and performance tests
Date:  Wed, 1 Dec 2004 16:10:18 -0800 (PST)
Cc:  Hugh Dickins <hugh-AT-veritas.com>, akpm-AT-osdl.org, Benjamin Herrenschmidt <benh-AT-kernel.crashing.org>, Nick Piggin <nickpiggin-AT-yahoo.com.au>, linux-mm-AT-kvack.org, linux-ia64-AT-vger.kernel.org, linux-kernel-AT-vger.kernel.org
Archive-link:  Article, Thread


On Wed, 1 Dec 2004, Christoph Lameter wrote:
>
> Changes from V11->V12 of this patch:
> - dump sloppy_rss in favor of list_rss (Linus' proposal)
> - keep up against current Linus tree (patch is based on 2.6.10-rc2-bk14)
> 
> This is a series of patches that increases the scalability of
> the page fault handler for SMP. Here are some performance results
> on a machine with 512 processors allocating 32 GB with an increasing
> number of threads (that are assigned a processor each).

Ok, consider me convinced. I don't want to apply this before I get 2.6.10 
out the door, but I'm happy with it. I assume Andrew has already picked up 
the previous version.

		Linus
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