svn commit: r198246 - in stable/8/sys: . amd64/include/xen
cddl/contrib/opensolaris contrib/dev/acpica contrib/pf
dev/xen/xenpci kern
John Baldwin
jhb at FreeBSD.org
Mon Oct 19 19:40:05 UTC 2009
Author: jhb
Date: Mon Oct 19 19:40:05 2009
New Revision: 198246
URL: http://svn.freebsd.org/changeset/base/198246
Log:
MFC 198126:
Fix a sign bug in the handling of nice priorities when computing the
interactive score for a thread.
Approved by: re (kib)
Modified:
stable/8/sys/ (props changed)
stable/8/sys/amd64/include/xen/ (props changed)
stable/8/sys/cddl/contrib/opensolaris/ (props changed)
stable/8/sys/contrib/dev/acpica/ (props changed)
stable/8/sys/contrib/pf/ (props changed)
stable/8/sys/dev/xen/xenpci/ (props changed)
stable/8/sys/kern/sched_ule.c
Modified: stable/8/sys/kern/sched_ule.c
==============================================================================
--- stable/8/sys/kern/sched_ule.c Mon Oct 19 19:14:04 2009 (r198245)
+++ stable/8/sys/kern/sched_ule.c Mon Oct 19 19:40:05 2009 (r198246)
@@ -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)
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