Gitweb:
http://git.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=6cb58195143b55d4c427d92f8425bec2b0d9c56c
Commit: 6cb58195143b55d4c427d92f8425bec2b0d9c56c
Parent: bf5c91ba8c629b84413c761f529627195fd0a935
Author: Ingo Molnar <[EMAIL PROTECTED]>
AuthorDate: Mon Oct 15 17:00:04 2007 +0200
Committer: Ingo Molnar <[EMAIL PROTECTED]>
CommitDate: Mon Oct 15 17:00:04 2007 +0200
sched: optimize vruntime based scheduling
optimize vruntime based scheduling.
Signed-off-by: Ingo Molnar <[EMAIL PROTECTED]>
Signed-off-by: Peter Zijlstra <[EMAIL PROTECTED]>
Signed-off-by: Mike Galbraith <[EMAIL PROTECTED]>
Reviewed-by: Thomas Gleixner <[EMAIL PROTECTED]>
---
kernel/sched.c | 5 +++--
kernel/sched_fair.c | 3 +++
2 files changed, 6 insertions(+), 2 deletions(-)
diff --git a/kernel/sched.c b/kernel/sched.c
index a5dd035..5594e65 100644
--- a/kernel/sched.c
+++ b/kernel/sched.c
@@ -732,13 +732,14 @@ calc_delta_fair(unsigned long delta_exec, struct
load_weight *lw)
static inline void update_load_add(struct load_weight *lw, unsigned long inc)
{
lw->weight += inc;
- lw->inv_weight = WMULT_CONST / lw->weight;
+ if (sched_feat(FAIR_SLEEPERS))
+ lw->inv_weight = WMULT_CONST / lw->weight;
}
static inline void update_load_sub(struct load_weight *lw, unsigned long dec)
{
lw->weight -= dec;
- if (likely(lw->weight))
+ if (sched_feat(FAIR_SLEEPERS) && likely(lw->weight))
lw->inv_weight = WMULT_CONST / lw->weight;
}
diff --git a/kernel/sched_fair.c b/kernel/sched_fair.c
index a566a45..7041dc6 100644
--- a/kernel/sched_fair.c
+++ b/kernel/sched_fair.c
@@ -336,6 +336,9 @@ __update_curr(struct cfs_rq *cfs_rq, struct sched_entity
*curr,
}
curr->vruntime += delta_exec_weighted;
+ if (!sched_feat(FAIR_SLEEPERS))
+ return;
+
if (unlikely(!load))
return;
-
To unsubscribe from this list: send the line "unsubscribe git-commits-head" in
the body of a message to [EMAIL PROTECTED]
More majordomo info at http://vger.kernel.org/majordomo-info.html
