gt; +
> + if (unlikely(file + free <= high_wmark_pages(zone))) {
> + scan_balance = SCAN_ANON;
> + goto out;
> + }
> + }
> +
> + /*
>* There is enough inactive page cache, do not reclaim
>* anything from the anonymous working set right now.
>*/
> --
> 1.9.2
>
Acked-by: Rafael Aquini
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On Tue, Apr 22, 2014 at 10:40:17AM -0400, Rik van Riel wrote:
> On 04/22/2014 07:57 AM, Christian Borntraeger wrote:
> > On 22/04/14 12:55, Christian Borntraeger wrote:
> >> While preparing/testing some KVM on s390 patches for the next merge window
> >> (target is kvm/next which is based on 3.15-r
corrects the gigantic compound page initialization so that
> we can retain the optimization in
> 11feeb498086a3a5907b8148bdf1786a9b18fc55. The cacheline was already
> modified in order to set PG_tail so this won't affect the boot time of
> large memory systems.
>
> Report
uest.
>
> I didn't get this in practice, I found it by code review. On the other
> hand, such an invalid virtio request will cause errors in QEMU and
> fill_balloon() also performs the same check implemented by this commit.
>
> Signed-off-by: Luiz Capitulino
> Ac
On Wed, Jun 05, 2013 at 07:08:44PM -0400, Luiz Capitulino wrote:
> On Wed, 5 Jun 2013 18:24:49 -0300
> Rafael Aquini wrote:
>
> > On Wed, Jun 05, 2013 at 05:10:31PM -0400, Luiz Capitulino wrote:
> > > The balloon_page_dequeue() function can return NULL. If it does for
&g
oks sane and replicates the check done at
fill_balloon(). I think we also could use this P.S. as a commentary
to let others aware of this scenario. Thanks Luiz!
Acked-by: Rafael Aquini
> PPS: Very lightly tested
>
> drivers/virtio/virtio_balloon.c | 3 ++-
> 1 file changed, 2 i
On Fri, May 10, 2013 at 09:20:46AM -0400, Luiz Capitulino wrote:
> On Thu, 9 May 2013 18:15:19 -0300
> Rafael Aquini wrote:
>
> > Since your shrinker
> > doesn't change the balloon target size,
>
> Which target size are you referring to? The one in the host (mem
On Thu, May 09, 2013 at 10:53:49AM -0400, Luiz Capitulino wrote:
> Automatic ballooning consists of dynamically adjusting the guest's
> balloon according to memory pressure in the host and in the guest.
>
> This commit implements the guest side of automatic balloning, which
> basically consists of
On Thu, May 09, 2013 at 10:53:48AM -0400, Luiz Capitulino wrote:
> This commit moves the balloon_lock mutex out of the fill_balloon()
> and leak_balloon() functions to their callers.
>
> The reason for this change is that the next commit will introduce
> a shrinker callback for the balloon driver,
t points and will
> update the cached restart points until a page is isolated or a pageblock
> is skipped that would have been scanned by synchronous compaction.
>
> Signed-off-by: Mel Gorman
> Acked-by: Rik van Riel
> ---
Acked-by: Rafael Aquini
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Waiting until memory pressure is relieved would
> cause compaction to continually fail instead of using reclaim/compaction
> to try allocate the page. The time-based mechanism is clumsy but a better
> option is not obvious.
>
> Signed-off-by: Mel Gorman
> Acked-by: Rik van
nners.
>
> Signed-off-by: Mel Gorman
> Acked-by: Rik van Riel
> ---
Acked-by: Rafael Aquini
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ock for as long as possible. In the
> event there are no free pages in the pageblock then the lock will not be
> acquired at all which reduces contention on zone->lock.
>
> Signed-off-by: Mel Gorman
> Acked-by: Rik van Riel
> ---
Acked-by: Rafael Aquini
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r as long as possible. If there are no LRU pages or the only
> LRU pages are transhuge then the LRU lock will not be acquired at all
> which reduces contention on zone->lru_lock.
>
> Signed-off-by: Mel Gorman
> Acked-by: Rik van Riel
> ---
Acked-by: Rafael Aquini
--
To uns
Arcangeli
> Signed-off-by: Shaohua Li
> Signed-off-by: Mel Gorman
> Acked-by: Rik van Riel
> ---
Acked-by: Rafael Aquini
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On Fri, Sep 21, 2012 at 11:46:17AM +0100, Mel Gorman wrote:
> This reverts
> mm-compaction-abort-compaction-loop-if-lock-is-contended-or-run-too-long.patch
> as it is replaced by a later patch in the series.
>
> Signed-off-by: Mel Gorman
Acked-by: Rafael Aquini
--
To unsubs
On Fri, Sep 21, 2012 at 11:46:16AM +0100, Mel Gorman wrote:
> This reverts
> mm-compaction-abort-compaction-loop-if-lock-is-contended-or-run-too-long-fix
> as it is replaced by a later patch in the series.
>
> Signed-off-by: Mel Gorman
Acked-by: Rafael Aquini
--
To unsubscribe
On Fri, Sep 21, 2012 at 11:46:15AM +0100, Mel Gorman wrote:
> This reverts
> mm-compaction-check-lock-contention-first-before-taking-lock.patch as it
> is replaced by a later patch in the series.
>
> Signed-off-by: Mel Gorman
Acked-by: Rafael Aquini
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To unsubscribe from this
On Tue, Jul 03, 2012 at 10:17:46AM +0930, Rusty Russell wrote:
> On Mon, 2 Jul 2012 13:08:19 -0300, Rafael Aquini wrote:
> > As 'locking in balloon', may I assume the approach I took for the
> > compaction case
> > is OK and aligned to address these co
On Mon, Jul 02, 2012 at 10:25:58AM +0300, Michael S. Tsirkin wrote:
> On Mon, Jul 02, 2012 at 10:35:47AM +0930, Rusty Russell wrote:
> > On Sun, 1 Jul 2012 12:20:51 +0300, "Michael S. Tsirkin"
> > wrote:
> > > On Thu, Nov 03, 2011 at 06:12:53PM +1030, Rusty Russell wrote:
> > > > A virtio driver
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