From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail203.messagelabs.com (mail203.messagelabs.com [216.82.254.243]) by kanga.kvack.org (Postfix) with ESMTP id 176106B0092 for ; Wed, 6 May 2009 09:50:45 -0400 (EDT) Date: Wed, 6 May 2009 14:28:33 +0100 (BST) From: Hugh Dickins Subject: Re: [PATCH 2/6] ksm: dont allow overlap memory addresses registrations. In-Reply-To: <20090506131735.GW16078@random.random> Message-ID: References: <1241475935-21162-1-git-send-email-ieidus@redhat.com> <1241475935-21162-2-git-send-email-ieidus@redhat.com> <1241475935-21162-3-git-send-email-ieidus@redhat.com> <4A00DD4F.8010101@redhat.com> <4A015C69.7010600@redhat.com> <4A0181EA.3070600@redhat.com> <20090506131735.GW16078@random.random> MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: owner-linux-mm@kvack.org To: Andrea Arcangeli Cc: Rik van Riel , Izik Eidus , akpm@linux-foundation.org, linux-kernel@vger.kernel.org, chrisw@redhat.com, alan@lxorguk.ukuu.org.uk, device@lanana.org, linux-mm@kvack.org, nickpiggin@yahoo.com.au List-ID: On Wed, 6 May 2009, Andrea Arcangeli wrote: > > For example for the swapping of KSM pages we've been thinking of using > external rmap hooks to avoid the VM to know anything specific to KSM > pages but to still allow their unmapping and swap. There may prove to be various reasons why it wouldn't work out in practice; but when thinking of swapping them, it is worth considering if those KSM pages can just be assigned to a tmpfs file, then leave the swapping to that. Hugh -- 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