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authorjhb <jhb@FreeBSD.org>2009-10-15 11:41:12 +0000
committerjhb <jhb@FreeBSD.org>2009-10-15 11:41:12 +0000
commitf88b32f139a5e8b2b91b99937b72aa0fab472bf4 (patch)
tree31a506ce3cb431043c7e0298966bc6fe62ce5168 /sys/kern/sched_ule.c
parent9902cc8e38ae6a34d96208f86b2d403167c8dda4 (diff)
downloadFreeBSD-src-f88b32f139a5e8b2b91b99937b72aa0fab472bf4.zip
FreeBSD-src-f88b32f139a5e8b2b91b99937b72aa0fab472bf4.tar.gz
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
Diffstat (limited to 'sys/kern/sched_ule.c')
-rw-r--r--sys/kern/sched_ule.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/sys/kern/sched_ule.c b/sys/kern/sched_ule.c
index fd14fc4..e0cff5f 100644
--- a/sys/kern/sched_ule.c
+++ b/sys/kern/sched_ule.c
@@ -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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