cpumask: use alloc_cpumask_var_node where appropriate

Impact: Reduce inter-node memory traffic.

Reduces inter-node memory traffic (offloading the global system bus)
by allocating referenced struct cpumasks on the same node as the
referring struct.

Signed-off-by: Mike Travis <travis@sgi.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>

1 files changed, 3 insertions, 3 deletions

diff --git a/arch/x86/kernel/io_apic.c b/arch/x86/kernel/io_apic.c
index 3e070bb961d7..a25c3f76b8ac 100644
--- a/arch/x86/kernel/io_apic.c
+++ b/arch/x86/kernel/io_apic.c
@@ -212,11 +212,11 @@ static struct irq_cfg *get_one_free_irq_cfg(int cpu)
 
         cfg = kzalloc_node(sizeof(*cfg), GFP_ATOMIC, node);
         if (cfg) {
-                /* FIXME: needs alloc_cpumask_var_node() */
-                if (!alloc_cpumask_var(&cfg->domain, GFP_ATOMIC)) {
+                if (!alloc_cpumask_var_node(&cfg->domain, GFP_ATOMIC, node)) {
                         kfree(cfg);
                         cfg = NULL;
-                } else if (!alloc_cpumask_var(&cfg->old_domain, GFP_ATOMIC)) {
+                } else if (!alloc_cpumask_var_node(&cfg->old_domain,
+                                                          GFP_ATOMIC, node)) {
                         free_cpumask_var(cfg->domain);
                         kfree(cfg);
                         cfg = NULL;