From: Rafael Aquini <aquini@redhat.com>
To: "Michael S. Tsirkin" <mst@redhat.com>
Cc: linux-mm@kvack.org, linux-kernel@vger.kernel.org,
virtualization@lists.linux-foundation.org,
Rusty Russell <rusty@rustcorp.com.au>,
Rik van Riel <riel@redhat.com>, Mel Gorman <mel@csn.ul.ie>,
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 v9 3/5] virtio_balloon: introduce migration primitives to balloon pages
Date: Tue, 28 Aug 2012 15:05:39 -0300 [thread overview]
Message-ID: <20120828180539.GB1750@t510.redhat.com> (raw)
In-Reply-To: <20120828175716.GA4595@redhat.com>
On Tue, Aug 28, 2012 at 08:57:16PM +0300, Michael S. Tsirkin wrote:
> Sorry I do not understand what you are saying here. So find
> a different locking strategy.
>
> For example something like:
>
> wait_event(vb->config_change,
> ({
> lock
> if (target <= (num_pages - isolated_pages))
> leak balloon
> cond = target <= (num_pages - isolated_pages));
> unlock;
> cond;
> })
> )
>
> seems to have no issues?
Ok, I see what you mean. I'll change it.
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next prev parent reply other threads:[~2012-08-28 18:06 UTC|newest]
Thread overview: 19+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-08-25 5:24 [PATCH v9 0/5] make balloon pages movable by compaction Rafael Aquini
2012-08-25 5:24 ` [PATCH v9 1/5] mm: introduce a common interface for balloon pages mobility Rafael Aquini
2012-08-26 7:55 ` Michael S. Tsirkin
2012-08-27 20:28 ` Rafael Aquini
2012-08-28 15:23 ` Michael S. Tsirkin
2012-08-25 5:24 ` [PATCH v9 2/5] mm: introduce compaction and migration for ballooned pages Rafael Aquini
2012-08-25 5:24 ` [PATCH v9 3/5] virtio_balloon: introduce migration primitives to balloon pages Rafael Aquini
2012-08-26 7:42 ` Michael S. Tsirkin
2012-08-27 19:47 ` Rafael Aquini
2012-08-28 15:54 ` Michael S. Tsirkin
2012-08-28 17:37 ` Rafael Aquini
2012-08-28 17:57 ` Michael S. Tsirkin
2012-08-28 18:05 ` Rafael Aquini [this message]
2012-08-25 5:24 ` [PATCH v9 4/5] mm: introduce putback_movable_pages() Rafael Aquini
2012-08-25 5:25 ` [PATCH v9 5/5] mm: add vm event counters for balloon pages compaction Rafael Aquini
2012-08-26 7:58 ` [PATCH v9 0/5] make balloon pages movable by compaction Michael S. Tsirkin
2012-08-26 14:40 ` Rik van Riel
2012-08-26 15:44 ` Michael S. Tsirkin
2012-08-27 20:22 ` Rafael Aquini
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