From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from psmtp.com (na3sys010amx189.postini.com [74.125.245.189]) by kanga.kvack.org (Postfix) with SMTP id C29E16B0044 for ; Wed, 7 Nov 2012 19:34:23 -0500 (EST) Date: Wed, 7 Nov 2012 22:34:04 -0200 From: Rafael Aquini Subject: Re: [PATCH v11 5/7] virtio_balloon: introduce migration primitives to balloon pages Message-ID: <20121108003403.GE10444@optiplex.redhat.com> References: <265aaff9a79f503672f0cdcdff204114b5b5ba5b.1352256088.git.aquini@redhat.com> <87625h3tl1.fsf@rustcorp.com.au> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <87625h3tl1.fsf@rustcorp.com.au> Sender: owner-linux-mm@kvack.org List-ID: To: Rusty Russell Cc: linux-mm@kvack.org, linux-kernel@vger.kernel.org, virtualization@lists.linux-foundation.org, "Michael S. Tsirkin" , Rik van Riel , Mel Gorman , Andi Kleen , Andrew Morton , Konrad Rzeszutek Wilk , Minchan Kim , Peter Zijlstra , "Paul E. McKenney" On Thu, Nov 08, 2012 at 09:32:18AM +1030, Rusty Russell wrote: > The first one can be delayed, the second one can be delayed if the host > didn't ask for VIRTIO_BALLOON_F_MUST_TELL_HOST (qemu doesn't). > > We could implement a proper request queue for these, and return -EAGAIN > if the queue fills. Though in practice, it's not important (it might > help performance). I liked the idea. Give me the directions to accomplish it and I'll give it a try for sure. -- 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