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SubjectRe: oom killer in 2.4.23
On Thu, Dec 04 2003, Peter Bergmann wrote:
> >
> > Yes, and as a side question, couldn't oom killer be made into a config
> > option?
> >
> > Cheers,
> > MaZe.
>
> I just tried it and - no it does not work.
> At least not with the following changes:
>
> added #define PF_MEMDIE 0x00001000 to sched.h
>
> replaced oom_kill.c with the 2.4.22 version
>
> added out_of_memory() to the end of try_to_free_pages_zone()
>
> replaced if (current->flags & PF_MEMALLOC && !in_interrupt()) {
> with
> replaced if ((current->flags & (PF_MEMALLOC | PF_MEMDIE)) && !in_interrupt()
> ) {
> in page_alloc.c
>
>
> effect is still unchanged.
> processes get killed by VM and not oom_kikll.c
>
> any hints ??

You probably want to look at the change to
vmscan.c:try_to_free_pages_zone().

--
Jens Axboe

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