svn commit: r198126 - head/sys/kern
John Baldwin
jhb at FreeBSD.org
Thu Oct 15 11:41:13 UTC 2009
Author: jhb
Date: Thu Oct 15 11:41:12 2009
New Revision: 198126
URL: http://svn.freebsd.org/changeset/base/198126
Log:
Fix a sign bug in the handling of nice priorities when computing the
interactive score for a thread.
Submitted by: Taku YAMAMOTO taku of tackymt.homeip.net
Reviewed by: jeff
MFC after: 3 days
Modified:
head/sys/kern/sched_ule.c
Modified: head/sys/kern/sched_ule.c
==============================================================================
--- head/sys/kern/sched_ule.c Thu Oct 15 11:32:05 2009 (r198125)
+++ head/sys/kern/sched_ule.c Thu Oct 15 11:41:12 2009 (r198126)
@@ -1406,7 +1406,7 @@ sched_priority(struct thread *td)
* score. Negative nice values make it easier for a thread to be
* considered interactive.
*/
- score = imax(0, sched_interact_score(td) - td->td_proc->p_nice);
+ score = imax(0, sched_interact_score(td) + td->td_proc->p_nice);
if (score < sched_interact) {
pri = PRI_MIN_REALTIME;
pri += ((PRI_MAX_REALTIME - PRI_MIN_REALTIME) / sched_interact)
More information about the svn-src-head
mailing list