On Tue, 24 Jun 2014, Joonsoo Kim wrote:
> min_partial means minimum number of slab cached in node partial
> list. So, if nr_partial is less than it, we keep newly empty slab
> on node partial list rather than freeing it. But if nr_partial is
> equal or greater than it, it means that we have enough partial slabs
> so should free newly empty slab. Current implementation missed
> the equal case so if we set min_partial is 0, then, at least one slab
> could be cached. This is critical problem to kmemcg destroying logic
> because it doesn't works properly if some slabs is cached. This patch
> fixes this problem.
>
> Signed-off-by: Joonsoo Kim <iamjoonsoo.kim@xxxxxxx>
Acked-by: David Rientjes <rientjes@xxxxxxxxxx>
Needed for 3.16 to fix commit 91cb69620284 ("slub: make dead memcg caches
discard free slabs immediately").
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