On Fri, 30 Apr 2010, Tejun Heo wrote: > Hello, > > On 04/29/2010 06:56 PM, Lee Schermerhorn wrote: > > Tejun: do you mean: > > > > #ifdef CONFIG_NUMA > > if (cpu != 0 && percpu_read(numa_node) == 0 && > > ........................^ here? > > early_cpu_to_node(cpu) != NUMA_NO_NODE) > > set_numa_node(early_cpu_to_node(cpu)); > > #endif > > > > Looks like 'numa_node_id()' would work there. > > Yeah, it just looked weird to use raw variable when an access wrapper > is there. > > > But, I wonder what the "cpu != 0 && percpu_read(numa_node) == 0" is > > trying to do? > > That I have don't have any clue about. :-) I guess that cpu 0 is used for booting and its initialized early when certain functionality is not available yet. -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@xxxxxxxxxx For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: <a href=mailto:"dont@xxxxxxxxx";> email@xxxxxxxxx </a>