lkml.org 
[lkml]   [2008]   [Apr]   [3]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [-mm] Add an owner to the mm_struct (v7)
On Thu, Apr 3, 2008 at 10:44 AM, Balbir Singh <balbir@linux.vnet.ibm.com> wrote:
> +
> + /*
> + * If there are other users of the mm and the owner (us) is exiting
> + * we need to find a new owner to take on the responsibility.
> + * When we use thread groups (CLONE_THREAD), the thread group
> + * leader is kept around in zombie state, even after it exits.
> + * delay_group_leader() ensures that if the group leader is around
> + * we need not select a new owner.
> + */

Hmm, is this new check for delay_group_leader() safe? Won't we have
called exit_cgroup() by this point, and hence be reassigned to the
root cgroup? And so mm->owner->cgroups won't point to the right place?

Paul


\
 
 \ /
  Last update: 2008-04-03 20:01    [W:0.056 / U:0.628 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site