On Mon, 26 Sep 2011 10:28:37 +0200, Michal Hocko <mhocko@xxxxxxx> wrote:
> On Fri 26-08-11 11:13:40, David Rientjes wrote:
> > I'd love to be able to do a thaw on a PF_FROZEN task in the oom killer
> > followed by a SIGKILL if that task is selected for oom kill without an
> > heuristic change. Not sure if that's possible, so we'll wait for Rafael
> > to chime in.
>
> We have discussed that with Rafael and it should be safe to do that. See
> the patch bellow.
> The only place I am not entirely sure about is run_guest
> (drivers/lguest/core.c). It seems that the code is able to cope with
> signals but it also calls lguest_arch_run_guest after try_to_freeze.
Yes; if you want to kill things in the refrigerator(), then will a
if (cpu->lg->dead || task_is_dead(current))
break;
Work? That break means we return to the read() syscall pretty much
immediately.
Thanks for the CC,
Rusty.
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