Gitweb:
http://git.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=10b777246c6953100099af1870d35c8b24d49b12
Commit: 10b777246c6953100099af1870d35c8b24d49b12
Parent: dbeeb816e805091e7cfc03baf36dc40b4adb2bbd
Author: Peter Zijlstra <[EMAIL PROTECTED]>
AuthorDate: Fri Nov 9 22:39:37 2007 +0100
Committer: Ingo Molnar <[EMAIL PROTECTED]>
CommitDate: Fri Nov 9 22:39:37 2007 +0100
sched: fix vslice
vslice was missing a factor NICE_0_LOAD, as weight is in
weight*NICE_0_LOAD units.
the effect of this bug was larger initial slices and
thus latency-noisier forks.
Signed-off-by: Peter Zijlstra <[EMAIL PROTECTED]>
Signed-off-by: Ingo Molnar <[EMAIL PROTECTED]>
---
kernel/sched_fair.c | 1 +
1 files changed, 1 insertions(+), 0 deletions(-)
diff --git a/kernel/sched_fair.c b/kernel/sched_fair.c
index 01859f6..62b0576 100644
--- a/kernel/sched_fair.c
+++ b/kernel/sched_fair.c
@@ -259,6 +259,7 @@ static u64 __sched_vslice(unsigned long rq_weight, unsigned
long nr_running)
{
u64 vslice = __sched_period(nr_running);
+ vslice *= NICE_0_LOAD;
do_div(vslice, rq_weight);
return vslice;
-
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