Re: + freezer-check-oom-kill-while-being-frozen.patch added to -mm tree
From: Cong Wang
Date: Thu Oct 16 2014 - 16:53:32 EST
On Thu, Oct 16, 2014 at 1:39 PM, Oleg Nesterov <oleg@xxxxxxxxxx> wrote:
>> Fix the issue by checking for TIF_MEMDIE thread flag and get away from the
>> fridge if it is set. oom_scan_process_thread doesn't have to check for
>> the frozen task anymore because do_send_sig_info will wake up the thread
>> and TIF_MEMDIE is already set by that time.
>
> I must have missed something... but __refrigerator() sleeps in
> TASK_UNINTERRUPTIBLE and do_send_sig_info() won't wake it up?
>
This is exactly what we are trying to fix. Make sure you read the patch
as well before reply? Otherwise, I must have missed your point. :)
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