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SubjectRe: Purpose of the mm/slab.c changes
Linus Torvalds wrote:
> (Doing per-CPU LIFO queues for the actual page allocator would potentially
> make page alloc/de-alloc much faster due to lower locking requirements
> too. So you might have a double performance win if anybody wants to try
> this out).
That patch already exists - Ingo wrote it, I think it's included in some
RedHat kernels.

But Andrea's changes mainly affect UP, not SMP.
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