Gitweb:
http://git.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=a0dc72601d48b171b4870dfdd0824901a2b2b1a9
Commit: a0dc72601d48b171b4870dfdd0824901a2b2b1a9
Parent: 7fd0d2dde929ead79901e389e70dbfb3c6c06986
Author: Ingo Molnar <[EMAIL PROTECTED]>
AuthorDate: Wed Sep 5 14:32:49 2007 +0200
Committer: Ingo Molnar <[EMAIL PROTECTED]>
CommitDate: Wed Sep 5 14:32:49 2007 +0200
sched: fix niced_granularity() shift
fix niced_granularity(). This resulted in under-scheduling for
CPU-bound negative nice level tasks (and this in turn caused
higher than necessary latencies in nice-0 tasks).
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 ce39282..810b52d 100644
--- a/kernel/sched_fair.c
+++ b/kernel/sched_fair.c
@@ -291,7 +291,7 @@ niced_granularity(struct sched_entity *curr, unsigned long
granularity)
/*
* It will always fit into 'long':
*/
- return (long) (tmp >> WMULT_SHIFT);
+ return (long) (tmp >> (WMULT_SHIFT-NICE_0_SHIFT));
}
static inline void
-
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