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authorMike Travis <travis@sgi.com>2007-10-16 01:24:05 -0700
committerLinus Torvalds <torvalds@woody.linux-foundation.org>2007-10-16 09:42:50 -0700
commitd5a7430ddcdb598261d70f7eb1bf450b5be52085 (patch)
tree3b94672e0dbc2bff125de3266908f1a47a17b795 /arch/x86/kernel/cpu/cpufreq/speedstep-ich.c
parent083576112940fda783d716fd5ccc744f81667b2f (diff)
Convert cpu_sibling_map to be a per cpu variable
Convert cpu_sibling_map from a static array sized by NR_CPUS to a per_cpu variable. This saves sizeof(cpumask_t) * NR unused cpus. Access is mostly from startup and CPU HOTPLUG functions. Signed-off-by: Mike Travis <travis@sgi.com> Cc: Andi Kleen <ak@suse.de> Cc: Christoph Lameter <clameter@sgi.com> Cc: "Siddha, Suresh B" <suresh.b.siddha@intel.com> Cc: "David S. Miller" <davem@davemloft.net> Cc: Paul Mackerras <paulus@samba.org> Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org> Cc: "Luck, Tony" <tony.luck@intel.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'arch/x86/kernel/cpu/cpufreq/speedstep-ich.c')
-rw-r--r--arch/x86/kernel/cpu/cpufreq/speedstep-ich.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/x86/kernel/cpu/cpufreq/speedstep-ich.c b/arch/x86/kernel/cpu/cpufreq/speedstep-ich.c
index 36685e8f7be1..14d68aa301ee 100644
--- a/arch/x86/kernel/cpu/cpufreq/speedstep-ich.c
+++ b/arch/x86/kernel/cpu/cpufreq/speedstep-ich.c
@@ -322,7 +322,7 @@ static int speedstep_cpu_init(struct cpufreq_policy *policy)
/* only run on CPU to be set, or on its sibling */
#ifdef CONFIG_SMP
- policy->cpus = cpu_sibling_map[policy->cpu];
+ policy->cpus = per_cpu(cpu_sibling_map, policy->cpu);
#endif
cpus_allowed = current->cpus_allowed;