diff options
Diffstat (limited to 'include/linux')
-rw-r--r-- | include/linux/cpumask.h | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/include/linux/cpumask.h b/include/linux/cpumask.h index b15826f..fe97783 100644 --- a/include/linux/cpumask.h +++ b/include/linux/cpumask.h @@ -392,4 +392,16 @@ 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() */ +static inline unsigned int highest_possible_processor_id(void) +{ + unsigned int cpu, highest = 0; + + for_each_cpu_mask(cpu, cpu_possible_map) + highest = cpu; + + return highest; +} + + #endif /* __LINUX_CPUMASK_H */ |