[PATCH] cpumask: uninline highest_possible_processor_id()
[linux-2.6.git] / lib / cpumask.c
1 #include <linux/kernel.h>
2 #include <linux/bitops.h>
3 #include <linux/cpumask.h>
4 #include <linux/module.h>
5
6 int __first_cpu(const cpumask_t *srcp)
7 {
8         return min_t(int, NR_CPUS, find_first_bit(srcp->bits, NR_CPUS));
9 }
10 EXPORT_SYMBOL(__first_cpu);
11
12 int __next_cpu(int n, const cpumask_t *srcp)
13 {
14         return min_t(int, NR_CPUS, find_next_bit(srcp->bits, NR_CPUS, n+1));
15 }
16 EXPORT_SYMBOL(__next_cpu);
17
18 /*
19  * Find the highest possible smp_processor_id()
20  *
21  * Note: if we're prepared to assume that cpu_possible_map never changes
22  * (reasonable) then this function should cache its return value.
23  */
24 int highest_possible_processor_id(void)
25 {
26         unsigned int cpu;
27         unsigned highest = 0;
28
29         for_each_cpu_mask(cpu, cpu_possible_map)
30                 highest = cpu;
31         return highest;
32 }
33 EXPORT_SYMBOL(highest_possible_processor_id);