From mboxrd@z Thu Jan 1 00:00:00 1970 Date: Wed, 16 Aug 2006 10:08:20 +0200 From: Andreas Mohr Subject: Re: [PATCH 2/2] Simple shared page tables Message-ID: <20060816080820.GA6330@rhlx01.fht-esslingen.de> References: <20060815225607.17433.32727.sendpatch@wildcat> <20060815225618.17433.84777.sendpatch@wildcat> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20060815225618.17433.84777.sendpatch@wildcat> Sender: owner-linux-mm@kvack.org Return-Path: To: Dave McCracken Cc: Arjan van de Ven , Diego Calleja , linux-kernel@vger.kernel.org, linux-mm@kvack.org, Hugh Dickins List-ID: 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 -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@kvack.org. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: email@kvack.org