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Date: Fri, 9 Nov 2012 15:58:44 -0200 From: Rafael Aquini <aquini@...hat.com> To: Mel Gorman <mel@....ul.ie> Cc: linux-mm@...ck.org, linux-kernel@...r.kernel.org, virtualization@...ts.linux-foundation.org, Rusty Russell <rusty@...tcorp.com.au>, "Michael S. Tsirkin" <mst@...hat.com>, Rik van Riel <riel@...hat.com>, Andi Kleen <andi@...stfloor.org>, Andrew Morton <akpm@...ux-foundation.org>, Konrad Rzeszutek Wilk <konrad.wilk@...cle.com>, Minchan Kim <minchan@...nel.org>, Peter Zijlstra <peterz@...radead.org>, "Paul E. McKenney" <paulmck@...ux.vnet.ibm.com> Subject: Re: [PATCH v11 3/7] mm: introduce a common interface for balloon pages mobility 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: > > > <SNIP> > > > If you get the barrier issue sorted out then feel free to add > > > > > > Acked-by: Mel Gorman <mel@....ul.ie> > > > > > > > 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 from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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