[lkml]   [2010]   [Jun]   [7]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
Messages in this thread
SubjectRe: [PATCH 00/28] mm: preemptibility -v3
Peter Zijlstra <> writes:

> This patch-set makes part of the mm a lot more preemptible. It converts
> i_mmap_lock and anon_vma->lock to mutexes and makes mmu_gather fully
> preemptible.

How about performance measurements? mutexes still behave quite
differently from spinlocks, especially under contention.


-- -- Speaking for myself only.

 \ /
  Last update: 2010-06-07 18:39    [W:0.168 / U:11.040 seconds]
©2003-2018 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site