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SubjectRe: hash table sizes


> Some architectures (IA64, for example) dont have severe limitations on
> usage of vmalloc space. Would it make sense to use vmalloc on these
> architectures. Even if the max size of the structures being allocated
> is limited to an acceptible size, it still concentrates the memory on
> a single node.

The kernel region on many architectures is mapped with large pages, we
would lose that by going to vmalloc.

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