Re: [PATCH v11 3/7] mm: introduce a common interface for balloonpages mobility

From: Rafael Aquini
Date: Fri Nov 09 2012 - 12:59:31 EST


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@xxxxxxxxx>
> > >
> >
> > 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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