lkml.org 
[lkml]   [2009]   [Jul]   [14]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [PATCH 0/2] CGroups: cgroup member list enhancement/fix
* menage@google.com <menage@google.com> [2009-07-13 09:26:26]:

> On Mon, Jul 13, 2009 at 5:11 AM, Balbir Singh<balbir@linux.vnet.ibm.com> wrote:
> >
> > How about lazy migration? Mark a group as to move when the kernel sees
> > it next for scheduling.
>
> Waiting for the next scheduling point might be too long, since a
> thread can block for arbitrary amounts of time and keeping the marker
> around for arbitrary time (unless we add a new task_struct field)
> would be tricky. Marking the cgroup or tgid as being migrated which
> then triggers the extra synchronization in the fork path (but which
> isn't needed at other times) is probably where we'll end up.


Hmm... but we would not need that information till we schedule the
tasks, adding a field to task_struct is what I had in mind.

--
Balbir


\
 
 \ /
  Last update: 2009-07-14 07:59    [W:0.111 / U:0.460 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site