On Fri, 23 Jan 2009, Pekka Enberg wrote: > Looking at __slab_free(), unless page->inuse is constantly zero and we > discard the slab, it really is just cache effects (10% sounds like a > lot, though!). AFAICT, the only way to optimize that is with Christoph's > unfinished pointer freelists patches or with a remote free list like in > SLQB. No there is another way. Increase the allocator order to 3 for the kmalloc-8192 slab then multiple 8k blocks can be allocated from one of the larger chunks of data gotten from the page allocator. That will allow slub to do fast allocs. -- To unsubscribe from this list: send the line "unsubscribe linux-scsi" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html