aboutsummaryrefslogtreecommitdiffstats
path: root/include
diff options
context:
space:
mode:
Diffstat (limited to 'include')
-rw-r--r--include/linux/acct.h4
-rw-r--r--include/linux/cpumask.h12
2 files changed, 14 insertions, 2 deletions
diff --git a/include/linux/acct.h b/include/linux/acct.h
index 1993a36..19f7046 100644
--- a/include/linux/acct.h
+++ b/include/linux/acct.h
@@ -162,13 +162,13 @@ typedef struct acct acct_t;
#ifdef __KERNEL__
/*
* Yet another set of HZ to *HZ helper functions.
- * See <linux/times.h> for the original.
+ * See <linux/jiffies.h> for the original.
*/
static inline u32 jiffies_to_AHZ(unsigned long x)
{
#if (TICK_NSEC % (NSEC_PER_SEC / AHZ)) == 0
- return x / (HZ / USER_HZ);
+ return x / (HZ / AHZ);
#else
u64 tmp = (u64)x * TICK_NSEC;
do_div(tmp, (NSEC_PER_SEC / AHZ));
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 */