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SubjectRe: OOM-Killer in 2.4.11pre4


On Sat, 6 Oct 2001, Andrea Arcangeli wrote:

> On Sat, Oct 06, 2001 at 08:53:30AM +0200, Christian Bornträger wrote:
> > I reported __alloc_pages: 0-order allocation failed errors in 2.4.10 with a
> > memory eating program.
> >
> > These errors are gone with 2.4.11pre4. The OOM-Killer works __correct__. it
> > seems that Marcelos Patch works correct for me.
>
> to test the oom killer you should try to run out of memory sometime.
> It's not the oom killer that cured the oom faliures, it is the deadlock
> prone infinite loop in the allocator that did.
>
> Now I identified various issues that can explain the oom faliures on the
> highmem boxes (I don't have any highmem box so it wasn't possible to
> trigger them here, the higher memory ia32 machine that I own is my
> UP desktop with 512mbyte of ram), and I will be able to verify my fixes
> as soon as I can get a login on a 4/8G box. I created this project for
> this purpose:
>
> http://www.osdlab.org/cgi-bin/eidetic.cgi?command=display&modulename=projects&on=60
>
> After I get the login and after verifying my fixes I'll release a new
> -aa that will be meant primarly to fix the allocation faliures.

Andrea,

I already have access to a 16GB box on OSDLabs exactly to test highmem
related issues -- there is no need to create another similar project IMO.

I can give you access to the machine if you want.

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