On Fri, Nov 21, 2008 at 12:49 AM, Lai Jiangshan <laijs@xxxxxxxxxxxxxx> wrote: > when cgroup_post_fork() called, child is seen by find_task_by_vpid(), > so child->cgroups maybe be changed, It'll incorrect. > > child->cgroups<old>'s refcnt is decreased > child->cgroups<new>'s refcnt is increased > but child->cg_list is added to child->cgroups<old>'s list. > > Signed-off-by: Lai Jiangshan <laijs@xxxxxxxxxxxxxx> Reviewed-by: Paul Menage <menage@xxxxxxxxxx> Yeah, I guess this was a place where I equated "holding css_set_lock" with "cgroups can't change". But in fact they can partially change. Paul _______________________________________________ Containers mailing list Containers@xxxxxxxxxxxxxxxxxxxxxxxxxx https://lists.linux-foundation.org/mailman/listinfo/containers
