linux-kernel - Re: 2.6.23-rc1-mm2 (vm-dont-run-touch_buffer-during-buffercache-lookups.patch)

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Message-Id: <1185955446.7393.11.camel@perkele>
Date:	Wed, 01 Aug 2007 04:04:06 -0400
From:	Eric St-Laurent <ericstl34@...patico.ca>
To:	Andrew Morton <akpm@...ux-foundation.org>
Cc:	linux-kernel@...r.kernel.org
Subject: Re: 2.6.23-rc1-mm2
	(vm-dont-run-touch_buffer-during-buffercache-lookups.patch)

On Wed, 2007-01-08 at 00:46 -0700, Andrew Morton wrote:

> Or you could do something more real-worldly like start up OO, firefox and
> friends, then run /etc/cron.daily/everything and see what the
> before-and-after effects are.  The aggregate info we're looking for is
> captured in /proc/meminfo: swapped, Mapped, Cached, Buffers.

IMO it will be harder to come with reproducible numbers, everyone
desktop is different, as their filesystem contents.

Anyway I will cook up something and post it.  It might be useful for
others to understand the updatedb problem.

I intend to try only this specific patch not the full -mm, is there any
other patch I need to apply too?


- Eric


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