Messages in this thread |  | | | From | Nikita Danilov <> | | Date | Mon, 28 Oct 2002 16:26:33 +0300 | | Subject | Re: [PATCH,RFC] faster kmalloc lookup |
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Marcus Alanen writes: > >Most kmalloc calls get constant size argument (usually > >sizeof(something)). So, if switch() is used in stead of loop (and > >kmalloc made inline), compiler would be able to optimize away > >cache_sizes[] selection completely. Attached (ugly) patch does this. > > Perhaps a compile-time test to check if the argument is > a constant, and only in that case call your new kmalloc, otherwise > a non-inline kmalloc call? With your current patch, a non-constant > size argument to kmalloc means that the function is inlined anyway, > leading to unnecessary bloat in the resulting image.
Yes, exactly.
> > Marcus >
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