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    SubjectRe: [PATCH 00/05] robust per_cpu allocation for modules
    On Mon, Apr 17, 2006 at 09:55:02AM -0700, Christoph Lameter wrote:
    > On Sat, 15 Apr 2006, Nick Piggin wrote:
    >
    > > If I'm following you correctly, this adds another dependent load
    > > to a per-CPU data access, and from memory that isn't node-affine.
    >
    > I am also concerned about that. Kiran has a patch to avoid allocpercpu
    > having to go through one level of indirection that I guess would no
    > longer work with this scheme.

    The alloc_percpu reimplementation would work regardless of changes to
    static per-cpu areas. But, any extra indirection as was proposed initially
    is bad IMHO.

    >
    > > If so, I think people with SMP and NUMA kernels would care more
    > > about performance and scalability than the few k of memory this
    > > saves.
    >
    > Right.

    Me too :)

    Kiran
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