From ecad183eed32dd928ec069dbaf944fa0da83eaa3 Mon Sep 17 00:00:00 2001 From: Ben Pfaff Date: Thu, 3 Jul 2008 20:10:32 +0000 Subject: [PATCH] Specify rounding for priority calculations. Pointed out by Ed Karrels . --- doc/44bsd.texi | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/doc/44bsd.texi b/doc/44bsd.texi index e8ae113..f1638f8 100644 --- a/doc/44bsd.texi +++ b/doc/44bsd.texi @@ -113,7 +113,9 @@ the formula @noindent where @var{recent_cpu} is an estimate of the CPU time the thread has used recently (see below) and @var{nice} is the thread's -@var{nice} value. The coefficients @math{1/4} and 2 on @var{recent_cpu} +@var{nice} value. The result should be rounded down to the nearest +integer (truncated). +The coefficients @math{1/4} and 2 on @var{recent_cpu} and @var{nice}, respectively, have been found to work well in practice but lack deeper meaning. The calculated @var{priority} is always adjusted to lie in the valid range @code{PRI_MIN} to @code{PRI_MAX}. -- 2.30.2