Re: [PATCH] oom: OOM-Killed process don't invoke pagefault-oom
From: KOSAKI Motohiro
Date: Mon Jan 18 2010 - 03:21:35 EST
> On Fri, Jan 15, 2010 at 03:21:40PM +0900, KOSAKI Motohiro wrote:
> > > Hi,
> > >
> > > I don't think this should be required, because the oom killer does not
> > > kill a new task if there is already one in memdie state.
> > >
> > > If you have any further tweaks to the heuristic (such as a fatal signal
> > > pending), then it should probably go in select_bad_process() or
> > > somewhere like that.
> > I see, I misunderstood. very thanks.
> Well, it *might* be a good idea to check for fatal signal pending
> similar your patch. Because I think there could be large latency between
> the signal and the task moving to exit state if the process is waiting
> uninterruptible in the kernel for a while.
> But if you do it in select_bad_process() then it would work for all
> classes of oom kill.
Thank you for good advise. I'll make next version so :)
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