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From: Rafael Aquini <aquini@redhat.com>
To: Mel Gorman <mel@csn.ul.ie>
Cc: linux-mm@kvack.org, linux-kernel@vger.kernel.org,
	virtualization@lists.linux-foundation.org,
	Rusty Russell <rusty@rustcorp.com.au>,
	"Michael S. Tsirkin" <mst@redhat.com>,
	Rik van Riel <riel@redhat.com>, Andi Kleen <andi@firstfloor.org>,
	Andrew Morton <akpm@linux-foundation.org>,
	Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>,
	Minchan Kim <minchan@kernel.org>,
	Peter Zijlstra <peterz@infradead.org>,
	"Paul E. McKenney" <paulmck@linux.vnet.ibm.com>
Subject: Re: [PATCH v11 3/7] mm: introduce a common interface for balloon pages mobility
Date: Fri, 9 Nov 2012 15:58:44 -0200	[thread overview]
Message-ID: <20121109175844.GD4308@optiplex.redhat.com> (raw)
In-Reply-To: <20121109162327.GT3886@csn.ul.ie>

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@csn.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

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  reply	other threads:[~2012-11-09 17:59 UTC|newest]

Thread overview: 33+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2012-11-07  3:05 [PATCH v11 0/7] make balloon pages movable by compaction Rafael Aquini
2012-11-07  3:05 ` [PATCH v11 1/7] mm: adjust address_space_operations.migratepage() return code Rafael Aquini
2012-11-07 19:56   ` Andrew Morton
2012-11-07 21:39     ` Rafael Aquini
2012-11-07  3:05 ` [PATCH v11 2/7] mm: redefine address_space.assoc_mapping Rafael Aquini
2012-11-07  3:05 ` [PATCH v11 3/7] mm: introduce a common interface for balloon pages mobility Rafael Aquini
2012-11-07 21:02   ` Andrew Morton
2012-11-07 21:34     ` Rafael Aquini
2012-11-09 12:11   ` Mel Gorman
2012-11-09 14:53     ` Rafael Aquini
2012-11-09 16:23       ` Mel Gorman
2012-11-09 17:58         ` Rafael Aquini [this message]
2012-11-07  3:05 ` [PATCH v11 4/7] mm: introduce compaction and migration for ballooned pages Rafael Aquini
2012-11-09 12:16   ` Mel Gorman
2012-11-20 23:33     ` Andrew Morton
2012-11-27 11:59       ` Rafael Aquini
2012-11-07  3:05 ` [PATCH v11 5/7] virtio_balloon: introduce migration primitives to balloon pages Rafael Aquini
2012-11-07 19:58   ` Andrew Morton
2012-11-07 22:02     ` Rafael Aquini
2012-11-07 23:02   ` Rusty Russell
2012-11-08  0:11     ` Andrew Morton
2012-11-08  0:32       ` Rafael Aquini
2012-11-10 15:53       ` Michael S. Tsirkin
2012-11-08  0:34     ` Rafael Aquini
2012-11-12  7:49       ` Rusty Russell
2012-11-10 15:53   ` Michael S. Tsirkin
2012-11-07  3:05 ` [PATCH v11 6/7] mm: introduce putback_movable_pages() Rafael Aquini
2012-11-07  3:05 ` [PATCH v11 7/7] mm: add vm event counters for balloon pages compaction Rafael Aquini
2012-11-09 12:20   ` Mel Gorman
2012-11-09 14:58     ` Rafael Aquini
2012-11-20 23:29       ` Andrew Morton
2012-11-10 15:55   ` Michael S. Tsirkin
2012-11-11 19:22     ` Rafael Aquini

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