Re: [PATCH 0/2] coredump: make SIGNAL_GROUP_COREDUMP more friendly to oom-killer

From: Oleg Nesterov
Date: Wed Sep 30 2015 - 12:43:45 EST

On 10/01, Tetsuo Handa wrote:
> Oleg Nesterov wrote:
> > This patch just makes the SIGNAL_GROUP_COREDUMP check in task_will_free_mem()
> > a bit more correct wrt CLONE_VM tasks, nothing more.
> OK. Then, that's out of what I can understand. But I wish for
> some description to PATCH 2/2 about why to change from
> "do { } while_each_thread()" to "for_each_thread() { }"

while_each_thread() is deprecated, see 0c740d0afc

> because they seem to traverse differently.

Not really. And in this particular case (start from group leader)
even the order is the same, although this doesn't matter. Well,
except for_each_thread(p, t) can find no threads, but this is fine
too; this means that they all (including the leader) have exited.


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