Re: [PATCH] oom: Make coredump interruptible

[Oleg Nesterov]

On 06/02, Roland McGrath wrote:
>
> Why not just test TIF_MEMDIE?

Because it is per-thread.

when select_bad_process() finds the task P to kill it can participate
in the core dump (sleep in exit_mm), but we should somehow inform the
thread which actually dumps the core: P->mm->core_state->dumper.

Well, we can use TIF_MEMDIE if we chose the right thread, I think.
But perhaps mm->flags |= MMF_OOM is better, it can have other user.
I dunno.

Oleg.

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