Messages in this thread | | | From | KOSAKI Motohiro <> | Subject | Re: [PATCH 02/11] oom: oom_kill_process() doesn't select kthread child | Date | Thu, 1 Jul 2010 09:07:02 +0900 (JST) |
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> On Wed, Jun 30, 2010 at 06:27:52PM +0900, KOSAKI Motohiro wrote: > > Now, select_bad_process() have PF_KTHREAD check, but oom_kill_process > > doesn't. It mean oom_kill_process() may choose wrong task, especially, > > when the child are using use_mm(). > > Is it possible child is kthread even though parent isn't kthread?
Usually unhappen. but crappy driver can do any strange thing freely. As I said, oom code should have conservative assumption as far as possible.
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