From mboxrd@z Thu Jan 1 00:00:00 1970 Message-ID: <47B6A2BE.6080201@qumranet.com> Date: Sat, 16 Feb 2008 10:45:50 +0200 From: Avi Kivity MIME-Version: 1.0 Subject: Re: [patch 1/6] mmu_notifier: Core code References: <20080215064859.384203497@sgi.com> <20080215064932.371510599@sgi.com> <20080215193719.262c03a1.akpm@linux-foundation.org> In-Reply-To: <20080215193719.262c03a1.akpm@linux-foundation.org> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Sender: owner-linux-mm@kvack.org Return-Path: To: Andrew Morton Cc: Christoph Lameter , Andrea Arcangeli , Robin Holt , Izik Eidus , kvm-devel@lists.sourceforge.net, Peter Zijlstra , general@lists.openfabrics.org, Steve Wise , Roland Dreier , Kanoj Sarcar , steiner@sgi.com, linux-kernel@vger.kernel.org, linux-mm@kvack.org, daniel.blueman@quadrics.com List-ID: Andrew Morton wrote: > How important is this feature to KVM? > Very. kvm pins pages that are referenced by the guest; a 64-bit guest will easily pin its entire memory with the kernel map. So this is critical for guest swapping to actually work. Other nice features like page migration are also enabled by this patch. -- Any sufficiently difficult bug is indistinguishable from a feature. -- 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