| Date | Mon, 30 Jul 2012 08:29:44 -0700 | From | Greg Kroah-Hartman <> | Subject | Re: [ 36/40] mm: vmscan: convert global reclaim to per-memcg LRU lists |
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On Mon, Jul 30, 2012 at 01:25:17AM +0100, Ben Hutchings wrote: > On Thu, 2012-07-26 at 14:29 -0700, Greg Kroah-Hartman wrote: > > From: Greg KH <gregkh@linuxfoundation.org> > > > > 3.0-stable review patch. If anyone has any objections, please let me know. > > > > ------------------ > > > > From: Johannes Weiner <jweiner@redhat.com> > > > > commit b95a2f2d486d0d768a92879c023a03757b9c7e58 upstream - WARNING: this is a substitute patch. > > > > Stable note: Not tracked in Bugzilla. This is a partial backport of an > > upstream commit addressing a completely different issue > > that accidentally contained an important fix. The workload > > this patch helps was memcached when IO is started in the > > background. memcached should stay resident but without this patch > > it gets swapped. Sometimes this manifests as a drop in throughput > > but mostly it was observed through /proc/vmstat. > [...] > > The impact of the accidental fix is to make it harder for kswapd to force > > scan small targets by taking zone->all_unreclaimable into account. This > > patch is the closest equivalent available based on what is backported. > > > > --- > > mm/vmscan.c | 3 ++- > > 1 file changed, 2 insertions(+), 1 deletion(-) > [...] > > This is missing sign-offs.
Oops, my fault, somehow they got lost, I'll go add them back (it's just Mel's and mine.)
greg k-h
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