All frozen tasks are unkillable, and if one of them has TIF_MEMDIE we must kill something else to avoid deadlock. After this patch select_bad_process() will skip frozen task before checking TIF_MEMDIE. Signed-off-by: Konstantin Khlebnikov <khlebnikov@xxxxxxxxxx> --- mm/oom_kill.c | 2 ++ 1 files changed, 2 insertions(+), 0 deletions(-) diff --git a/mm/oom_kill.c b/mm/oom_kill.c index 626303b..931ab20 100644 --- a/mm/oom_kill.c +++ b/mm/oom_kill.c @@ -138,6 +138,8 @@ static bool oom_unkillable_task(struct task_struct *p, return true; if (p->flags & PF_KTHREAD) return true; + if (p->flags & PF_FROZEN) + return true; /* When mem_cgroup_out_of_memory() and p is not member of the group */ if (mem && !task_in_mem_cgroup(p, mem)) -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@xxxxxxxxx. For more info on Linux MM, see: http://www.linux-mm.org/ . Fight unfair telecom internet charges in Canada: sign http://stopthemeter.ca/ Don't email: <a href=mailto:"dont@xxxxxxxxx";> email@xxxxxxxxx </a>