Messages in this thread | | | Date | Fri, 01 Jun 2007 17:41:48 -0700 | From | Jeremy Fitzhardinge <> | Subject | Re: [RFC] [PATCH] cpuset operations causes Badness at mm/slab.c:777 warning |
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Christoph Lameter wrote: > Well there are architectural problems. We determine the power of two slab > at compile time. The object size information is currently not available in > the binary :=). >
That only applies to allocations with constant sizes. One presumes nobody is explicitly doing kmalloc(0), so we can use a separate runtime-computed-size path to do poisoning. (Which is probably 90% of the problem, since people who kmalloc(sizeof(struct foo)) will generally stay within bounds without too much effort.)
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