On Mon, 2009-01-26 at 12:36 -0500, Christoph Lameter wrote: > On Sat, 24 Jan 2009, Zhang, Yanmin wrote: > > > But when trying to increased it to 4, I got: > > [root@lkp-st02-x8664 slab]# echo "3">kmalloc-8192/order > > [root@lkp-st02-x8664 slab]# echo "4">kmalloc-8192/order > > -bash: echo: write error: Invalid argument > > This is because 4 is more than the maximum allowed order. You can > reconfigure that by setting > > slub_max_order=5 > > or so on boot. With slub_max_order=5, the default order of kmalloc-8192 becomes 5. I tested it with netperf UDP-U-4k and the result difference from SLAB/SLQB is less than 1% which is really fluctuation. -- To unsubscribe from this list: send the line "unsubscribe linux-scsi" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html