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authorMike Travis <travis@sgi.com>2008-01-30 13:33:14 +0100
committerIngo Molnar <mingo@elte.hu>2008-01-30 13:33:14 +0100
commit693e3c560317577a29c625d89f6745d5c7cfd918 (patch)
tree2f8420f929e8cdb8167a57104b7938658cdd3a8f /arch/x86/kernel/apic_64.c
parent4dbf7af6442a9a882855bed0d999659ac413e3ac (diff)
x86: reduce memory and intra-node effects
Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Diffstat (limited to 'arch/x86/kernel/apic_64.c')
-rw-r--r--arch/x86/kernel/apic_64.c5
1 files changed, 3 insertions, 2 deletions
diff --git a/arch/x86/kernel/apic_64.c b/arch/x86/kernel/apic_64.c
index f9919c492699..85bd3d463cdf 100644
--- a/arch/x86/kernel/apic_64.c
+++ b/arch/x86/kernel/apic_64.c
@@ -1175,14 +1175,15 @@ __cpuinit int apic_is_clustered_box(void)
{
int i, clusters, zeros;
unsigned id;
+ u16 *bios_cpu_apicid = x86_bios_cpu_apicid_early_ptr;
DECLARE_BITMAP(clustermap, NUM_APIC_CLUSTERS);
bitmap_zero(clustermap, NUM_APIC_CLUSTERS);
for (i = 0; i < NR_CPUS; i++) {
/* are we being called early in kernel startup? */
- if (x86_bios_cpu_apicid_early_ptr) {
- id = ((u16 *)x86_bios_cpu_apicid_early_ptr)[i];
+ if (bios_cpu_apicid) {
+ id = bios_cpu_apicid[i];
}
else if (i < nr_cpu_ids) {
if (cpu_present(i))