2.5.40 kernel compile

kernel	user (seconds)	system (seconds)	elapsed (seconds)	cpu (number used)
2.5.40-BK	102.938	14.831	6.182	19.059
BK-NUMA	100.915	12.868	5.949	19.137
mm-NUMA	101.065	12.546	5.957	19.077
mm-NUMA-rmap_spinlock	100.766	11.797	5.918	19.024

• 2.5.40-BK
• 2.5.40-BK with NUMA enabled
• 2.5.40-BK-mm with NUMA enabled
• 2.5.40-BK-mm with NUMA enabled and rmap spinlock in struct page