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SubjectRe: [PATCH,RFC] faster kmalloc lookup
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
>

Nikita.
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