On Sat, 3 Nov 2007, Hugh Dickins wrote:
> The culprit turns out to be __slab_alloc(), where it copes with the race
> that another task has assigned the cpu slab while we were allocating one.
> Don't rush off to load_freelist there: that assumes c->freelist is empty,
> and will lose all of its free slots when c->page->freelist is not empty.
> Instead just do a local allocation from c->freelist when it has one.
Hmmm.. Right. This will require some fixes to the optimizations in mm.
Acked-by: Christoph Lameter <[email protected]>
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