lkml.org 
[lkml]   [2019]   [Oct]   [30]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [PATCH] locking/percpu_rwsem: Rewrite to not use rwsem
On 10/29, Peter Zijlstra wrote:
>
> That said, I think cgroups use a variant of percpu-rwsem that wreck rss
> on purpose and always take the slowpaths.

I forgot (never understodd) why does Android need this.

I am wondering if it makes any sense to add a config/boot or even runtime
knob for cgroup_threadgroup_rwsem.

Oleg.

\
 
 \ /
  Last update: 2019-10-30 16:58    [W:0.071 / U:0.340 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site