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    SubjectRe: [patch] SLQB slab allocator
    Hi Nick,

    On Wed, Jan 14, 2009 at 5:22 PM, Nick Piggin <> wrote:
    > And... IIRC, the Intel guys did make a stink but it wasn't considered
    > so important or worthwhile to fix for some reason? Anyway, the fact is
    > that it hadn't been fixed in SLUB. Hmm, I guess it is a significant
    > failure of SLUB that it hasn't managed to replace SLAB by this point.

    Again, not speaking for Christoph, but *I* do consider the regression
    to be important and I do want it to be fixed. I have asked for a test
    case to reproduce the regression and/or oprofile reports but have yet
    to receive them. I did fix one regression I saw with the fio benchmark
    but unfortunately it wasn't the same regression the Intel guys are
    hitting. I suppose we're in limbo now because the people who are
    affected by the regression can simply turn on CONFIG_SLAB.

    In any case, I do agree that the inability to replace SLAB with SLUB
    is a failure on the latter. I'm just not totally convinced that it's
    because the SLUB code is unfixable ;).


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