diff options
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/ia64/kernel/smpboot.c | 4 | ||||
| -rw-r--r-- | arch/ia64/mm/numa.c | 17 |
2 files changed, 21 insertions, 0 deletions
diff --git a/arch/ia64/kernel/smpboot.c b/arch/ia64/kernel/smpboot.c index 518e876a410d..6a1380e90f87 100644 --- a/arch/ia64/kernel/smpboot.c +++ b/arch/ia64/kernel/smpboot.c @@ -390,11 +390,13 @@ smp_callin (void) fix_b0_for_bsp(); +#ifdef CONFIG_NUMA /* * numa_node_id() works after this. */ set_numa_node(cpu_to_node_map[cpuid]); set_numa_mem(local_memory_node(cpu_to_node_map[cpuid])); +#endif ipi_call_lock_irq(); spin_lock(&vector_lock); @@ -638,7 +640,9 @@ void __devinit smp_prepare_boot_cpu(void) { cpu_set(smp_processor_id(), cpu_online_map); cpu_set(smp_processor_id(), cpu_callin_map); +#ifdef CONFIG_NUMA set_numa_node(cpu_to_node_map[smp_processor_id()]); +#endif per_cpu(cpu_state, smp_processor_id()) = CPU_ONLINE; paravirt_post_smp_prepare_boot_cpu(); } diff --git a/arch/ia64/mm/numa.c b/arch/ia64/mm/numa.c index 3efea7d0a351..2437718bd6b1 100644 --- a/arch/ia64/mm/numa.c +++ b/arch/ia64/mm/numa.c @@ -17,6 +17,7 @@ #include <linux/init.h> #include <linux/bootmem.h> #include <linux/module.h> +#include <linux/random.h> #include <asm/mmzone.h> #include <asm/numa.h> @@ -50,6 +51,22 @@ paddr_to_nid(unsigned long paddr) return (i < num_node_memblks) ? node_memblk[i].nid : (num_node_memblks ? -1 : 0); } +/* + * Return the bit number of a random bit set in the nodemask. + * (returns -1 if nodemask is empty) + */ +int __node_random(const nodemask_t *maskp) +{ + int w, bit = -1; + + w = nodes_weight(*maskp); + if (w) + bit = bitmap_ord_to_pos(maskp->bits, + get_random_int() % w, MAX_NUMNODES); + return bit; +} +EXPORT_SYMBOL(__node_random); + #if defined(CONFIG_SPARSEMEM) && defined(CONFIG_NUMA) /* * Because of holes evaluate on section limits. |