Re: [RFC PATCH 0/6] Use local_lock for pcp protection and reduce stat overhead

2021-03-31 Thread Thomas Gleixner
On Wed, Mar 31 2021 at 09:52, Mel Gorman wrote: > Ingo, Thomas or Peter, is there any chance one of you could take a look > at patch "[PATCH 2/6] mm/page_alloc: Convert per-cpu list protection to > local_lock" from this series? It's partially motivated by PREEMPT_RT. More > details below. Sure.

Re: [RFC PATCH 0/6] Use local_lock for pcp protection and reduce stat overhead

2021-03-31 Thread Mel Gorman
Ingo, Thomas or Peter, is there any chance one of you could take a look at patch "[PATCH 2/6] mm/page_alloc: Convert per-cpu list protection to local_lock" from this series? It's partially motivated by PREEMPT_RT. More details below. On Mon, Mar 29, 2021 at 01:06:42PM +0100, Mel Gorman wrote: > Th

Re: [RFC PATCH 0/6] Use local_lock for pcp protection and reduce stat overhead

2021-03-31 Thread Jesper Dangaard Brouer
On Wed, 31 Mar 2021 08:38:05 +0100 Mel Gorman wrote: > On Tue, Mar 30, 2021 at 08:51:54PM +0200, Jesper Dangaard Brouer wrote: > > On Mon, 29 Mar 2021 13:06:42 +0100 > > Mel Gorman wrote: > > > > > This series requires patches in Andrew's tree so the series is also > > > available at > > > >

Re: [RFC PATCH 0/6] Use local_lock for pcp protection and reduce stat overhead

2021-03-31 Thread Mel Gorman
On Tue, Mar 30, 2021 at 08:51:54PM +0200, Jesper Dangaard Brouer wrote: > On Mon, 29 Mar 2021 13:06:42 +0100 > Mel Gorman wrote: > > > This series requires patches in Andrew's tree so the series is also > > available at > > > > git://git.kernel.org/pub/scm/linux/kernel/git/mel/linux.git > > mm-

Re: [RFC PATCH 0/6] Use local_lock for pcp protection and reduce stat overhead

2021-03-30 Thread Jesper Dangaard Brouer
On Mon, 29 Mar 2021 13:06:42 +0100 Mel Gorman wrote: > This series requires patches in Andrew's tree so the series is also > available at > > git://git.kernel.org/pub/scm/linux/kernel/git/mel/linux.git > mm-percpu-local_lock-v1r15 > > tldr: Jesper and Chuck, it would be nice to verify if this

[RFC PATCH 0/6] Use local_lock for pcp protection and reduce stat overhead

2021-03-29 Thread Mel Gorman
This series requires patches in Andrew's tree so the series is also available at git://git.kernel.org/pub/scm/linux/kernel/git/mel/linux.git mm-percpu-local_lock-v1r15 tldr: Jesper and Chuck, it would be nice to verify if this series helps the allocation rate of the bulk page allocator.