irq related:git://git.kernel.org/pub/scm/linux/kernel/git/yinghai/linux-2.6-yinghai.git irqneed to on top of tip/irq/numafor memoryless node support: git://git.kernel.org/pub/scm/linux/kernel/git/yinghai/linux-2.6-yinghai.git numaand it is on top of tip/masterYH