Date: Thu, 15 Oct 2009 11:41:12 +0000 (UTC) From: John Baldwin <jhb@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r198126 - head/sys/kern Message-ID: <200910151141.n9FBfCew072438@svn.freebsd.org>
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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)
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