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, send a message with 'unsubscribe linux-mm' in the body to majordomo@xxxxxxxxx. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: <a href=mailto:"dont@xxxxxxxxx";> email@xxxxxxxxx </a>