From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753130AbbK2CqU (ORCPT ); Sat, 28 Nov 2015 21:46:20 -0500 Received: from mail.efficios.com ([78.47.125.74]:44783 "EHLO mail.efficios.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753096AbbK2CqS (ORCPT ); Sat, 28 Nov 2015 21:46:18 -0500 From: Antoine Busque To: mingo@redhat.com Cc: peterz@infradead.com, linux-kernel@vger.kernel.org Subject: [PATCH] sched: fix outdated comment on task_prio() return value Date: Sat, 28 Nov 2015 21:46:10 -0500 Message-Id: <1448765170-16483-1-git-send-email-abusque@efficios.com> X-Mailer: git-send-email 2.6.2 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org The comment describing the possible return values of the task_prio() function, having not been updated in many years, was misleading. It indicated an offset of -200 for RT tasks, and normal tasks having 32 possible priority values centered around 0. This is no longer the case, as the values it returns will be in the range [-100..39]. The new comment reflects the current behaviour. Signed-off-by: Antoine Busque --- kernel/sched/core.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/kernel/sched/core.c b/kernel/sched/core.c index bbe9577..b9e5f4a 100644 --- a/kernel/sched/core.c +++ b/kernel/sched/core.c @@ -3106,8 +3106,8 @@ SYSCALL_DEFINE1(nice, int, increment) * @p: the task in question. * * Return: The priority value as seen by users in /proc. - * RT tasks are offset by -200. Normal tasks are centered - * around 0, value goes from -16 to +15. + * Values range from -100 to to -2 for RT tasks, and from + * 0 to 39 for normal tasks. */ int task_prio(const struct task_struct *p) { -- 2.6.2