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authorIngo Molnar <mingo@elte.hu>2008-03-14 22:17:08 +0100
committerIngo Molnar <mingo@elte.hu>2008-03-15 03:02:50 +0100
commit6a6029b8cefe0ca7e82f27f3904dbedba3de4e06 (patch)
treea58e0590105f89be306daf01fc83473d7a3e0104
parente22ecef1d2658ba54ed7d3fdb5d60829fb434c23 (diff)
sched: simplify sched_slice()
Use the existing calc_delta_mine() calculation for sched_slice(). This saves a divide and simplifies the code because we share it with the other /cfs_rq->load users. It also improves code size: text data bss dec hex filename 42659 2740 144 45543 b1e7 sched.o.before 42093 2740 144 44977 afb1 sched.o.after Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
-rw-r--r--kernel/sched_fair.c8
1 files changed, 2 insertions, 6 deletions
diff --git a/kernel/sched_fair.c b/kernel/sched_fair.c
index 31aa1b9fa76..f2cc59080ef 100644
--- a/kernel/sched_fair.c
+++ b/kernel/sched_fair.c
@@ -283,12 +283,8 @@ static u64 __sched_period(unsigned long nr_running)
*/
static u64 sched_slice(struct cfs_rq *cfs_rq, struct sched_entity *se)
{
- u64 slice = __sched_period(cfs_rq->nr_running);
-
- slice *= se->load.weight;
- do_div(slice, cfs_rq->load.weight);
-
- return slice;
+ return calc_delta_mine(__sched_period(cfs_rq->nr_running),
+ se->load.weight, &cfs_rq->load);
}
/*