Re: [MM PATCH V4.1 5/6] slub: support for bulk free with SLUB freelists

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On Fri, 2 Oct 2015, Jesper Dangaard Brouer wrote:

> Thus, I need introducing new code like this patch and at the same time
> have to reduce the number of instruction-cache misses/usage.  In this
> case we solve the problem by kmem_cache_free_bulk() not getting called
> too often. Thus, +17 bytes will hopefully not matter too much... but on
> the other hand we sort-of know that calling kmem_cache_free_bulk() will
> cause icache misses.

Can we just drop the WARN/BUG here? Nothing untoward happens if size == 0
right?

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