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authorMel Gorman <mgorman@suse.de>2014-08-06 14:19:21 +0100
committerRafael J. Wysocki <rafael.j.wysocki@intel.com>2014-08-06 21:17:45 +0200
commit372ba8cb46b271a7662b92cbefedee56725f6bd0 (patch)
tree536013552cd845b4eb0559dc79c023ecc426c21e /include
parent64b4ca5cb6e1a9f577588db5765dc996ddf595e1 (diff)
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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.h3
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);