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Date: Fri, 8 Jun 2012 14:04:49 -0500 (CDT) From: Christoph Lameter <cl@...ux.com> To: Joonsoo Kim <js1304@...il.com> cc: Pekka Enberg <penberg@...nel.org>, linux-kernel@...r.kernel.org, linux-mm@...ck.org Subject: Re: [PATCH 4/4] slub: deactivate freelist of kmem_cache_cpu all at once in deactivate_slab() On Sat, 9 Jun 2012, Joonsoo Kim wrote: > Current implementation of deactivate_slab() which deactivate > freelist of kmem_cache_cpu one by one is inefficient. > This patch changes it to deactivate freelist all at once. > But, there is no overall performance benefit, > because deactivate_slab() is invoked infrequently. Hmm, deactivate freelist can race with slab_free. Need to look at this in detail. -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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