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SubjectRe: OOM-killer too aggressive?
Chuck Ebbert wrote:
> DMA free:44kB min:32kB low:40kB high:48kB active:0kB inactive:0kB
> present:15728kB pages_scanned:0 all_unreclaimable? yes

I think the big question is who used up all the DMA zone.. Surely not
the floppy driver..

> So it will try to allocate half its first request if that fails, then
> fall back to non-DMA memory as a last resort, but doesn't get a chance
> because the OOM killer gets invoked. Maybe we need a new flag that says
> "fail me immediately if no memory available"?

I think __GFP_NORETRY already does this.. There is also __GFP_NOWARN
which suppresses the allocation failure warning, not sure if we want
that or not..

--
Robert Hancock Saskatoon, SK, Canada
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Home Page: http://www.roberthancock.com/

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