diff options
| author | Mel Gorman <mgorman@suse.de> | 2014-08-06 15:19:21 +0200 |
|---|---|---|
| committer | Rafael J. Wysocki <rafael.j.wysocki@intel.com> | 2014-08-06 21:17:45 +0200 |
| commit | 372ba8cb46b271a7662b92cbefedee56725f6bd0 (patch) | |
| tree | 536013552cd845b4eb0559dc79c023ecc426c21e /include | |
| parent | cpuidle: menu: Call nr_iowait_cpu less times (diff) | |
| download | linux-372ba8cb46b271a7662b92cbefedee56725f6bd0.tar.xz linux-372ba8cb46b271a7662b92cbefedee56725f6bd0.zip | |
cpuidle: menu: Lookup CPU runqueues less
The menu governer makes separate lookups of the CPU runqueue to get
load and number of IO waiters but it can be done with a single lookup.
Signed-off-by: Mel Gorman <mgorman@suse.de>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Diffstat (limited to 'include')
| -rw-r--r-- | include/linux/sched.h | 3 |
1 files changed, 1 insertions, 2 deletions
diff --git a/include/linux/sched.h b/include/linux/sched.h index 306f4f0c987a..641bd954bb5d 100644 --- a/include/linux/sched.h +++ b/include/linux/sched.h @@ -168,8 +168,7 @@ extern int nr_processes(void); extern unsigned long nr_running(void); extern unsigned long nr_iowait(void); extern unsigned long nr_iowait_cpu(int cpu); -extern unsigned long this_cpu_load(void); - +extern void get_iowait_load(unsigned long *nr_waiters, unsigned long *load); extern void calc_global_load(unsigned long ticks); extern void update_cpu_load_nohz(void); |