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authorIngo Molnar <mingo@elte.hu>2007-10-15 17:00:06 +0200
committerIngo Molnar <mingo@elte.hu>2007-10-15 17:00:06 +0200
commite22f5bbf86d8cce710d5c8ba5bf57832e73aab8c (patch)
tree9e6240455f123da6249fe0a88ba51459488f2e87 /kernel/sched.c
parent495eca494aa6006df55e3a04e105462c5940ca17 (diff)
sched: remove wait_runtime limit
remove the wait_runtime-limit fields and the code depending on it, now that the math has been changed over to rely on the vruntime metric. Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl> Signed-off-by: Mike Galbraith <efault@gmx.de> Reviewed-by: Thomas Gleixner <tglx@linutronix.de>
Diffstat (limited to 'kernel/sched.c')
-rw-r--r--kernel/sched.c18
1 files changed, 0 insertions, 18 deletions
diff --git a/kernel/sched.c b/kernel/sched.c
index 3a4ac0b75f2..21cc3b2be02 100644
--- a/kernel/sched.c
+++ b/kernel/sched.c
@@ -180,7 +180,6 @@ struct cfs_rq {
u64 exec_clock;
u64 min_vruntime;
s64 wait_runtime;
- u64 sleeper_bonus;
unsigned long wait_runtime_overruns, wait_runtime_underruns;
struct rb_root tasks_timeline;
@@ -673,19 +672,6 @@ static inline void resched_task(struct task_struct *p)
}
#endif
-static u64 div64_likely32(u64 divident, unsigned long divisor)
-{
-#if BITS_PER_LONG == 32
- if (likely(divident <= 0xffffffffULL))
- return (u32)divident / divisor;
- do_div(divident, divisor);
-
- return divident;
-#else
- return divident / divisor;
-#endif
-}
-
#if BITS_PER_LONG == 32
# define WMULT_CONST (~0UL)
#else
@@ -1016,8 +1002,6 @@ void set_task_cpu(struct task_struct *p, unsigned int new_cpu)
if (p->se.wait_start_fair)
p->se.wait_start_fair -= fair_clock_offset;
- if (p->se.sleep_start_fair)
- p->se.sleep_start_fair -= fair_clock_offset;
#ifdef CONFIG_SCHEDSTATS
if (p->se.wait_start)
@@ -1592,7 +1576,6 @@ static void __sched_fork(struct task_struct *p)
p->se.sum_exec_runtime = 0;
p->se.prev_sum_exec_runtime = 0;
p->se.wait_runtime = 0;
- p->se.sleep_start_fair = 0;
#ifdef CONFIG_SCHEDSTATS
p->se.wait_start = 0;
@@ -6582,7 +6565,6 @@ void normalize_rt_tasks(void)
p->se.wait_runtime = 0;
p->se.exec_start = 0;
p->se.wait_start_fair = 0;
- p->se.sleep_start_fair = 0;
#ifdef CONFIG_SCHEDSTATS
p->se.wait_start = 0;
p->se.sleep_start = 0;