Gitweb:
http://git.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=0915c4e89d311948b67cdd4c183a2efbcafcc9f9
Commit: 0915c4e89d311948b67cdd4c183a2efbcafcc9f9
Parent: 4a2a4df7b6db25df8f3d5cc6dd0b096119359d92
Author: Ingo Molnar <[EMAIL PROTECTED]>
AuthorDate: Thu Aug 9 11:16:45 2007 +0200
Committer: Ingo Molnar <[EMAIL PROTECTED]>
CommitDate: Thu Aug 9 11:16:45 2007 +0200
sched: batch sleeper bonus
batch up the sleeper bonus sum a bit more. Anything below
sched-granularity is too small to make a practical difference
anyway.
this optimization reduces the math in high-frequency scheduling
scenarios.
Signed-off-by: Ingo Molnar <[EMAIL PROTECTED]>
---
kernel/sched_fair.c | 2 +-
1 files changed, 1 insertions(+), 1 deletions(-)
diff --git a/kernel/sched_fair.c b/kernel/sched_fair.c
index 6f579ff..9f40158 100644
--- a/kernel/sched_fair.c
+++ b/kernel/sched_fair.c
@@ -300,7 +300,7 @@ __update_curr(struct cfs_rq *cfs_rq, struct sched_entity
*curr, u64 now)
delta_fair = calc_delta_fair(delta_exec, lw);
delta_mine = calc_delta_mine(delta_exec, curr->load.weight, lw);
- if (cfs_rq->sleeper_bonus > sysctl_sched_stat_granularity) {
+ if (cfs_rq->sleeper_bonus > sysctl_sched_granularity) {
delta = calc_delta_mine(cfs_rq->sleeper_bonus,
curr->load.weight, lw);
if (unlikely(delta > cfs_rq->sleeper_bonus))
-
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