From: Andreas Mohr <andi@rhlx01.fht-esslingen.de>
To: Dave McCracken <dmccr@us.ibm.com>
Cc: Arjan van de Ven <arjan@infradead.org>,
Diego Calleja <diegocg@gmail.com>,
linux-kernel@vger.kernel.org, linux-mm@kvack.org,
Hugh Dickins <hugh@veritas.com>
Subject: Re: [PATCH 2/2] Simple shared page tables
Date: Wed, 16 Aug 2006 10:08:20 +0200 [thread overview]
Message-ID: <20060816080820.GA6330@rhlx01.fht-esslingen.de> (raw)
In-Reply-To: <20060815225618.17433.84777.sendpatch@wildcat>
Hi,
On Tue, Aug 15, 2006 at 05:56:18PM -0500, Dave McCracken wrote:
> +config PTSHARE
> + bool "Share page tables"
> + default y
> + help
> + Turn on sharing of page tables between processes for large shared
> + memory regions.
A bit too terse IMHO. It could have mentioned (briefly!) that it is able
to save up to several MB of memory, or any other benefits.
Plus, are there drawbacks? (Management overhead, ...)
Andreas Mohr
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next prev parent reply other threads:[~2006-08-16 8:08 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-08-15 22:56 [PATCH 0/2] Latest shared page table patches Dave McCracken
2006-08-15 22:56 ` [PATCH 1/2] pxx_page macro cleanup Dave McCracken
2006-08-15 22:56 ` [PATCH 2/2] Simple shared page tables Dave McCracken
2006-08-16 8:08 ` Andreas Mohr [this message]
2006-08-16 10:55 ` Muli Ben-Yehuda
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