From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from psmtp.com (na3sys010amx176.postini.com [74.125.245.176]) by kanga.kvack.org (Postfix) with SMTP id F049F6B002B for ; Fri, 9 Nov 2012 12:59:12 -0500 (EST) Date: Fri, 9 Nov 2012 15:58:44 -0200 From: Rafael Aquini Subject: Re: [PATCH v11 3/7] mm: introduce a common interface for balloon pages mobility Message-ID: <20121109175844.GD4308@optiplex.redhat.com> References: <4ea10ef1eb1544e12524c8ca7df20cf621395463.1352256087.git.aquini@redhat.com> <20121109121133.GP3886@csn.ul.ie> <20121109145321.GB4308@optiplex.redhat.com> <20121109162327.GT3886@csn.ul.ie> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20121109162327.GT3886@csn.ul.ie> Sender: owner-linux-mm@kvack.org List-ID: To: Mel Gorman Cc: linux-mm@kvack.org, linux-kernel@vger.kernel.org, virtualization@lists.linux-foundation.org, Rusty Russell , "Michael S. Tsirkin" , Rik van Riel , Andi Kleen , Andrew Morton , Konrad Rzeszutek Wilk , Minchan Kim , Peter Zijlstra , "Paul E. McKenney" On Fri, Nov 09, 2012 at 04:23:27PM +0000, Mel Gorman wrote: > On Fri, Nov 09, 2012 at 12:53:22PM -0200, Rafael Aquini wrote: > > > > > > If you get the barrier issue sorted out then feel free to add > > > > > > Acked-by: Mel Gorman > > > > > > > I believe we can drop the barriers stuff, as the locking scheme is now provinding > > enough protection against collisions between isolation page scanning and > > balloon_leak() page release (the major concern that has lead to the barriers > > originally) > > > > I'll refactor this patch with no barriers and ensure a better commentary on the > > aforementioned locking scheme and resubmit, if it's OK to everyone > > > > Sounds good to me. When they are dropped again feel free to stick my ack > on for the compaction and migration parts. The virtio aspects are up to > someone else :) > Andrew, If we get no further objections raised on dropping those barriers, would you like me to resubmit the whole series rebased on the latest -next, or just this (new) refactored patch? -- Rafael -- 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