From mboxrd@z Thu Jan 1 00:00:00 1970 Date: Mon, 8 Oct 2007 10:52:35 -0700 (PDT) From: Christoph Lameter Subject: Re: [PATCH 1/7] swapin_readahead: excise NUMA bogosity In-Reply-To: <20071008134744.4b03f7e1@bree.surriel.com> Message-ID: References: <20071008133538.6ee6ad05@bree.surriel.com> <20071008134744.4b03f7e1@bree.surriel.com> MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: owner-linux-mm@kvack.org Return-Path: To: Rik van Riel Cc: Hugh Dickins , Andrew Morton , Andi Kleen , Lee Schermerhorn , linux-mm@kvack.org List-ID: On Mon, 8 Oct 2007, Rik van Riel wrote: > > I am not sure what you mean by "another task's memory"? How does > > memory become owned by a task? > > Swapin_readahead simply reads in all swap pages that are physically > close to the desired one from the swap area, without taking into > account whether or not the swap entry belongs to the current task > or others. That is the same approach used by regular readahead. Lee will only get back later in the week. He should take a look at this since he is trying to sort out the memory policy issues. But that is more at the level of conceptual stuff that needs cleaning up The patch is okay from what I can see. -- 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