Date: Tue, 23 Oct 2007 10:44:41 GMT From: KOIE Hidetaka <hide@koie.org> To: freebsd-gnats-submit@FreeBSD.org Subject: kern/117420: round off in sched_balance_pair() Message-ID: <200710231044.l9NAifdh060333@www.freebsd.org> Resent-Message-ID: <200710231050.l9NAo1UX058091@freefall.freebsd.org>
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>Number: 117420
>Category: kern
>Synopsis: round off in sched_balance_pair()
>Confidential: no
>Severity: non-critical
>Priority: low
>Responsible: freebsd-bugs
>State: open
>Quarter:
>Keywords:
>Date-Required:
>Class: change-request
>Submitter-Id: current-users
>Arrival-Date: Tue Oct 23 10:50:01 UTC 2007
>Closed-Date:
>Last-Modified:
>Originator: KOIE Hidetaka
>Release: 8.0-CURRENT
>Organization:
>Environment:
FreeBSD sakura.suri.co.jp 8.0-CURRENT FreeBSD 8.0-CURRENT #0: Tue Oct 16 21:43:56 JST 2007 koie@sakura.suri.co.jp:/usr/obj/usr/src/sys/SAKURA i386
>Description:
In sched_ule.c:sched_balance_pair(),
the following code fragment
move = diff / 2;
if (diff & 0x1)
move++;
is rounding off and equal to
move = (diff + 1) / 2;
>How-To-Repeat:
>Fix:
>Release-Note:
>Audit-Trail:
>Unformatted:
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