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From: Andi Kleen <ak@suse.de>
To: Arjan van de Ven <arjan@infradead.org>
Cc: hugh@veritas.com, akpm@osdl.org, dmccr@us.ibm.com,
	linux-kernel@vger.kernel.org
Subject: Re: Shared page tables patch... some results
Date: 15 Aug 2006 16:41:46 +0200	[thread overview]
Message-ID: <p73wt9a83it.fsf@verdi.suse.de> (raw)
In-Reply-To: <1155638047.3011.96.camel@laptopd505.fenrus.org>

Arjan van de Ven <arjan@infradead.org> writes:
> and the result is interesting:
> Just booting into runlevel 5 and logging into gnome (without starting
> any apps) gets a sharing of 1284 pte pages! This means that five
> megabytes (!!) of memory is saved, and countless pagefaults are avoided.
>

When I start SLES10 GNOME after boot with one firefox window and
one gnome terminal I only have ~5.3MB in total page tables according
to /proc/meminfo

You're saying you can share 5MB of those. Call me sceptical of your
numbers.

-Andi

  reply	other threads:[~2006-08-15 14:42 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2006-08-15 10:34 Shared page tables patch... some results Arjan van de Ven
2006-08-15 14:41 ` Andi Kleen [this message]
2006-08-15 14:45   ` Arjan van de Ven
2006-08-15 15:59 ` Diego Calleja
2006-08-15 19:29   ` Ian Stirling
     [not found] ` <3282373b0609141116n1bce85b3u38924491146a89f2@mail.gmail.com>
2006-09-14 17:45   ` Tim Chen

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