lkml.org 
[lkml]   [2012]   [Jan]   [26]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
SubjectRe: [v7 0/8] Reduce cross CPU IPI interference
From
Date
On Thu, 2012-01-26 at 12:01 +0200, Gilad Ben-Yossef wrote:
> Gilad Ben-Yossef (8):
> smp: introduce a generic on_each_cpu_mask function
> arm: move arm over to generic on_each_cpu_mask
> tile: move tile to use generic on_each_cpu_mask
> smp: add func to IPI cpus based on parameter func
> slub: only IPI CPUs that have per cpu obj to flush
> fs: only send IPI to invalidate LRU BH when needed
> mm: only IPI CPUs to drain local pages if they exist

These patches look very nice!

Acked-by: Peter Zijlstra <a.p.zijlstra@chello.nl>


> mm: add vmstat counters for tracking PCP drains
>
I understood from previous postings this patch wasn't meant for
inclusion, if it is, note that cpumask_weight() is a potentially very
expensive operation.


\
 
 \ /
  Last update: 2012-01-26 16:23    [W:0.401 / U:0.384 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site