From mboxrd@z Thu Jan 1 00:00:00 1970 Date: Thu, 1 Feb 2007 21:27:47 -0800 (PST) From: Christoph Lameter Subject: Re: [PATCH 0/8] Create ZONE_MOVABLE to partition memory between movable and non-movable pages In-Reply-To: <1170150823.6189.203.camel@twins> Message-ID: References: <20070125234458.28809.5412.sendpatchset@skynet.skynet.ie> <20070126030753.03529e7a.akpm@osdl.org> <20070126114615.5aa9e213.akpm@osdl.org> <20070126122747.dde74c97.akpm@osdl.org> <20070129143654.27fcd4a4.akpm@osdl.org> <20070129225000.GG6602@flint.arm.linux.org.uk> <20070129160921.7b362c8d.akpm@osdl.org> <1170150823.6189.203.camel@twins> MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: owner-linux-mm@kvack.org Return-Path: To: Peter Zijlstra Cc: Andrew Morton , Russell King , Mel Gorman , linux-mm@kvack.org, linux-kernel@vger.kernel.org, Christoph Lameter List-ID: On Tue, 30 Jan 2007, Peter Zijlstra wrote: > I'm guessing this will involve page migration. Not necessarily. The approach also works without page migration. Depends on an intelligent allocation scheme that stays off the areas of interest to those restricted to low area allocations as much as possible and then is able to reclaim from a section of a zone if necessary. The implementation of alloc_pages_range() that I did way back did not reply on page migration. -- 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