Mandeep Singh Baines wrote: > Changes in V3: > * Fixed to put error in retval (thanks Frederic Weisbecker) > * https://lkml.org/lkml/2011/12/20/255 > Changes in V2: > * Updated commit message as per Tejun's feedback: > * https://lkml.org/lkml/2011/12/19/289 > > -- >8 -- (snip) > > We can now assume that the css_set reference held by the task > will not go away for an exiting task. PF_EXITING state can be > trusted throughout migration by checking it after locking > threadgroup. > > While at it, renamed css_set_check_fetched to css_set_fetched. > !css_set_fetched() seems to read better than > !css_set_check_fetched(). > > Signed-off-by: Mandeep Singh Baines <msb@xxxxxxxxxxxx> > Cc: Tejun Heo <tj@xxxxxxxxxx> > Cc: Li Zefan <lizf@xxxxxxxxxxxxxx> > Cc: containers@xxxxxxxxxxxxxxxxxxxxxxxxxx > Cc: cgroups@xxxxxxxxxxxxxxx > Cc: KAMEZAWA Hiroyuki <kamezawa.hiroyu@xxxxxxxxxxxxxx> > Cc: Frederic Weisbecker <fweisbec@xxxxxxxxx> > Cc: Oleg Nesterov <oleg@xxxxxxxxxx> > Cc: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> > Cc: Paul Menage <paul@xxxxxxxxxxxxxx> > --- > kernel/cgroup.c | 25 ++++++------------------- > 1 files changed, 6 insertions(+), 19 deletions(-) > > diff --git a/kernel/cgroup.c b/kernel/cgroup.c > index bc3caff..4166066 100644 > --- a/kernel/cgroup.c > +++ b/kernel/cgroup.c > @@ -1856,7 +1856,6 @@ static int cgroup_task_migrate(struct cgroup *cgrp, struct cgroup *oldcgrp, > */ > task_lock(tsk); The comments above this line of code should be updated accordingly. > oldcg = tsk->cgroups; > - get_css_set(oldcg); > task_unlock(tsk); > > /* locate or allocate a new css_set for this task. */ _______________________________________________ Containers mailing list Containers@xxxxxxxxxxxxxxxxxxxxxxxxxx https://lists.linuxfoundation.org/mailman/listinfo/containers