Re: [PATCH 0/3] Reduce system overhead of automatic NUMA balancing

2015-03-24 Thread Dave Chinner
On Mon, Mar 23, 2015 at 12:24:00PM +, Mel Gorman wrote: These are three follow-on patches based on the xfsrepair workload Dave Chinner reported was problematic in 4.0-rc1 due to changes in page table management -- https://lkml.org/lkml/2015/3/1/226. Much of the problem was reduced by

Re: [PATCH 0/3] Reduce system overhead of automatic NUMA balancing

2015-03-24 Thread Mel Gorman
On Tue, Mar 24, 2015 at 10:51:41PM +1100, Dave Chinner wrote: On Mon, Mar 23, 2015 at 12:24:00PM +, Mel Gorman wrote: These are three follow-on patches based on the xfsrepair workload Dave Chinner reported was problematic in 4.0-rc1 due to changes in page table management --

Re: [PATCH 0/3] Reduce system overhead of automatic NUMA balancing

2015-03-24 Thread Linus Torvalds
On Tue, Mar 24, 2015 at 8:33 AM, Mel Gorman mgor...@suse.de wrote: On Tue, Mar 24, 2015 at 10:51:41PM +1100, Dave Chinner wrote: So it looks like the patch set fixes the remaining regression and in 2 of the four cases actually improves performance \o/ W00t. Linus, these three patches

[PATCH 0/3] Reduce system overhead of automatic NUMA balancing

2015-03-23 Thread Mel Gorman
These are three follow-on patches based on the xfsrepair workload Dave Chinner reported was problematic in 4.0-rc1 due to changes in page table management -- https://lkml.org/lkml/2015/3/1/226. Much of the problem was reduced by commit 53da3bc2ba9e (mm: fix up numa read-only thread grouping