On Mon, Dec 08, 2014 at 10:16:34AM +0100, Vlastimil Babka wrote: > On 12/08/2014 08:16 AM, Joonsoo Kim wrote: > >This patchset aims at increase of compaction success rate. Changes are > >related to compaction finish condition and freepage isolation condition. > > > > From these changes, I did stress highalloc test in mmtests with nonmovable > >order 7 allocation configuration, and success rate (%) at phase 1 are, > > > >Base Patch-1 Patch-3 Patch-4 > >55.00 57.00 62.67 64.00 > > > >And, compaction success rate (%) on same test are, > > > >Base Patch-1 Patch-3 Patch-4 > >18.47 28.94 35.13 41.50 > > Did you test Patch-2 separately? Any difference to Patch 1?
I didn't test it separately. I guess that there is no remarkable difference because it just slightly changes page stealing logic, not compaction logic. Compaction success rate would not be affected by patch 2, but, I will check it next time. Thanks. -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
