try_online_node  1236 arch/powerpc/mm/numa.c 		if (!topology_inited || try_online_node(new_nid))
try_online_node   112 include/linux/memory_hotplug.h extern int try_online_node(int nid);
try_online_node  1185 kernel/cpu.c   	err = try_online_node(cpu_to_node(cpu));