Re: [PATCH] mm/slab: fix kmemcg cache creation delayed issue

2016-10-13 Thread Joonsoo Kim
On Fri, Oct 07, 2016 at 10:20:55AM +0200, Michal Hocko wrote: > On Fri 07-10-16 14:14:01, Joonsoo Kim wrote: > > On Thu, Oct 06, 2016 at 09:02:00AM -0700, Doug Smythies wrote: > > > It was my (limited) understanding that the subsequent 2 patch set > > > superseded this patch. Indeed, the 2 patch se

Re: [PATCH] mm/slab: fix kmemcg cache creation delayed issue

2016-10-07 Thread Michal Hocko
On Fri 07-10-16 14:14:01, Joonsoo Kim wrote: > On Thu, Oct 06, 2016 at 09:02:00AM -0700, Doug Smythies wrote: > > It was my (limited) understanding that the subsequent 2 patch set > > superseded this patch. Indeed, the 2 patch set seems to solve > > both the SLAB and SLUB bug reports. > > It would

Re: [PATCH] mm/slab: fix kmemcg cache creation delayed issue

2016-10-06 Thread Joonsoo Kim
On Thu, Oct 06, 2016 at 09:02:00AM -0700, Doug Smythies wrote: > It was my (limited) understanding that the subsequent 2 patch set > superseded this patch. Indeed, the 2 patch set seems to solve > both the SLAB and SLUB bug reports. It would mean that patch 1 solves both the SLAB and SLUB bug repo

RE: [PATCH] mm/slab: fix kmemcg cache creation delayed issue

2016-10-06 Thread Doug Smythies
It was my (limited) understanding that the subsequent 2 patch set superseded this patch. Indeed, the 2 patch set seems to solve both the SLAB and SLUB bug reports. References: https://bugzilla.kernel.org/show_bug.cgi?id=172981 https://bugzilla.kernel.org/show_bug.cgi?id=172991 https://patchwork.k

[PATCH] mm/slab: fix kmemcg cache creation delayed issue

2016-10-05 Thread js1304
From: Joonsoo Kim There is a bug report that SLAB makes extreme load average due to over 2000 kworker thread. https://bugzilla.kernel.org/show_bug.cgi?id=172981 This issue is caused by kmemcg feature that try to create new set of kmem_caches for each memcg. Recently, kmem_cache creation is slow