Michal Hocko wrote:
On Fri 26-08-11 14:03:17, Konstantin Khlebnikov wrote:
Michal Hocko wrote:
@@ -450,6 +459,10 @@ static int oom_kill_task(struct task_struct *p, struct mem_cgroup *mem)
pr_err("Kill process %d (%s) sharing same memory\n",
task_pid_nr(q), q->comm);
task_unlock(q);
+
+ if (frozen(q))
+ thaw_process(q);
+
We must thaw task strictly after sending SIGKILL.
Sounds reasonable.
But anyway I think this is a bad idea.
Why?
Refrigerator may be used for digging in task's internal structures,
so such digger may be very surprised if somebody suddenly thaws this task.
force_sig(SIGKILL, q);
}
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