On Thu, 27 Nov 2008, Eric Dumazet wrote: > The last point is about SLUB being hit hard, unless we > use slub_min_order=3 at boot, or we use Christoph Lameter > patch (struct file RCU optimizations) > http://thread.gmane.org/gmane.linux.kernel/418615 > > If we boot machine with slub_min_order=3, SLUB overhead disappears. I'd rather not be that drastic. Did you try increasing slub_min_objects instead? Try 40-100. If we find the right number then we should update the tuning to make sure that it pickes the right slab page sizes. -- To unsubscribe from this list: send the line "unsubscribe kernel-testers" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html