On Monday 14 August 2006 09:50, Herbert Xu wrote: > On Mon, Aug 14, 2006 at 09:45:53AM +0200, Andi Kleen wrote: > > > > Even for 1.5k MTU? (which is still the most common case after all) > > Ideally they would stay in kmalloc memory. Could you explain the cache > colouring problem for 1500-byte packets?
kmalloc rounds the 1.5k up to 2k and with that exactly two objects fit into a 4k page. With that slab doesn't have any space left to do cache coloring. -Andi - To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html
