On Thu, 2010-11-18 at 09:59 +0100, Jean-Michel Hautbois wrote: > > My real question is the impact of SLUB compared to SLAB on the > determinism of kmalloc usage and all caches. > I did some tests using SLUB instead of SLAB on a small (MPC5200 / > 400Mhz / 16k i-cache and 16k d-cache), and slub seems to be better. > But I don't know if there is a possibility to tune SLAB in order to > get good results. That's a pretty pointless idea, non of them are deterministic allocators -- nor can they be, page allocation involves the whole vm reclaim path. If you want determinism don't allocate memory. -- To unsubscribe from this list: send the line "unsubscribe linux-rt-users" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
