On Thu, 2012-07-26 at 14:29 -0700, Greg Kroah-Hartman wrote: > From: Greg KH <gre...@linuxfoundation.org> > > 3.0-stable review patch. If anyone has any objections, please let me know. > > ------------------ > > From: Johannes Weiner <jwei...@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. Ben. -- Ben Hutchings It is impossible to make anything foolproof because fools are so ingenious.
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