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authorJens Axboe <jens.axboe@oracle.com>2009-11-03 21:14:39 +0100
committerJens Axboe <jens.axboe@oracle.com>2009-11-03 21:14:39 +0100
commit2058297d2d045cb57138c33b87cfabcc80e65186 (patch)
tree7ccffd0e162cbd7471f643561e79f23abb989a62 /kernel/time
parent150e6c67f4bf6ab51e62defc41bd19a2eefe5709 (diff)
parent4b27e1bb442e964903f8a3fa6bdf33a602dc0941 (diff)
Merge branch 'for-linus' into for-2.6.33
Conflicts: block/cfq-iosched.c Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
Diffstat (limited to 'kernel/time')
-rw-r--r--kernel/time/tick-sched.c9
-rw-r--r--kernel/time/timekeeping.c1
2 files changed, 8 insertions, 2 deletions
diff --git a/kernel/time/tick-sched.c b/kernel/time/tick-sched.c
index e0f59a21c061..89aed5933ed4 100644
--- a/kernel/time/tick-sched.c
+++ b/kernel/time/tick-sched.c
@@ -231,6 +231,13 @@ void tick_nohz_stop_sched_tick(int inidle)
if (!inidle && !ts->inidle)
goto end;
+ /*
+ * Set ts->inidle unconditionally. Even if the system did not
+ * switch to NOHZ mode the cpu frequency governers rely on the
+ * update of the idle time accounting in tick_nohz_start_idle().
+ */
+ ts->inidle = 1;
+
now = tick_nohz_start_idle(ts);
/*
@@ -248,8 +255,6 @@ void tick_nohz_stop_sched_tick(int inidle)
if (unlikely(ts->nohz_mode == NOHZ_MODE_INACTIVE))
goto end;
- ts->inidle = 1;
-
if (need_resched())
goto end;
diff --git a/kernel/time/timekeeping.c b/kernel/time/timekeeping.c
index fb0f46fa1ecd..c3a4e2907eaa 100644
--- a/kernel/time/timekeeping.c
+++ b/kernel/time/timekeeping.c
@@ -13,6 +13,7 @@
#include <linux/percpu.h>
#include <linux/init.h>
#include <linux/mm.h>
+#include <linux/sched.h>
#include <linux/sysdev.h>
#include <linux/clocksource.h>
#include <linux/jiffies.h>