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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