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    SubjectRe: [patch 08/10] SLUB: Optional fast path using cmpxchg_local
    On Sun, 28 Oct 2007, Pekka J Enberg wrote:

    > - local_irq_restore(flags);
    > + object = do_slab_alloc(s, c, gfpflags, node, addr);
    > + if (unlikely(!object))
    > + goto out;

    Undoing the optimization that one of the earlier patches added.

    The #ifdef version is for me at least easier to read. The code there is a
    special unit that has to deal with the most performance critical piece of
    the slab allocator. And the #ifdef there clarifies that any changes have
    to be done to both branches.

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      Last update: 2007-10-29 04:37    [W:0.018 / U:89.468 seconds]
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