Merge branch 'upstream'

[linux-2.6] / include / linux / cpumask.h

diff --git a/include/linux/cpumask.h b/include/linux/cpumask.h
index b15826f6e3a277b965cfb5fcf792fa13ef9e53f4..9bdba8169b414a3ef945cbb9d13b9e409556320f 100644 (file)
--- a/include/linux/cpumask.h
+++ b/include/linux/cpumask.h
@@ -392,4 +392,14 @@ extern cpumask_t cpu_present_map;
 #define for_each_online_cpu(cpu)  for_each_cpu_mask((cpu), cpu_online_map)
 #define for_each_present_cpu(cpu) for_each_cpu_mask((cpu), cpu_present_map)
 
+/* Find the highest possible smp_processor_id() */
+#define highest_possible_processor_id() \
+({ \
+       unsigned int cpu, highest = 0; \
+       for_each_cpu_mask(cpu, cpu_possible_map) \
+               highest = cpu; \
+       highest; \
+})
+
+
 #endif /* __LINUX_CPUMASK_H */