On Tue, 2012-10-16 at 09:35 -0300, Ezequiel Garcia wrote: > Now, returning to the fragmentation. The problem with SLAB is that > its smaller cache available for kmalloced objects is 32 bytes; > while SLUB allows 8, 16, 24 ... > > Perhaps adding smaller caches to SLAB might make sense? > Is there any strong reason for NOT doing this?
I would remove small kmalloc-XX caches, as sharing a cache line is sometime dangerous for performance, because of false sharing. They make sense only for very small hosts. -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
