Messages in this thread | | | Date | Tue, 30 Jun 2009 10:32:46 -0400 (EDT) | From | Christoph Lameter <> | Subject | Re: [Bug #13319] Page allocation failures with b43 and p54usb |
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On Tue, 30 Jun 2009, Pekka Enberg wrote:
> Well, I obviously don't agree here because kmalloc-4096 debugging causes > problems in the real world. Furthermore, SLUB never supported debugging > for objects that big historically because of page allocator passthrough. > And with Mel Gorman's page allocator optimizations, we might be going > back to that.
SLUB for some period of time had passthrough. It did not start out like that though.
kmalloc-4096 causes problems in the long run and so do other caches that are of similar size. But it allows debugging to occur. Silently switching it off is something I am not comfortable with.
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