From: tip-bot for Dongsheng Yang <tipbot@zytor.com>
To: linux-tip-commits@vger.kernel.org
Cc: linux-kernel@vger.kernel.org, hpa@zytor.com, mingo@kernel.org,
peterz@infradead.org, tglx@linutronix.de,
yangds.fnst@cn.fujitsu.com
Subject: [tip:sched/core] sched: prio: Add 3 macros of MAX_NICE, MIN_NICE and NICE_WIDTH in prio.h.
Date: Fri, 21 Feb 2014 13:33:09 -0800 [thread overview]
Message-ID: <tip-798fa741dd4e5a2d15e862367000a0ac63253978@git.kernel.org> (raw)
In-Reply-To: <3994e89327b2b15f992277cdf9f409c516f87d1b.1392103744.git.yangds.fnst@cn.fujitsu.com>
Commit-ID: 798fa741dd4e5a2d15e862367000a0ac63253978
Gitweb: http://git.kernel.org/tip/798fa741dd4e5a2d15e862367000a0ac63253978
Author: Dongsheng Yang <yangds.fnst@cn.fujitsu.com>
AuthorDate: Tue, 11 Feb 2014 15:34:46 +0800
Committer: Thomas Gleixner <tglx@linutronix.de>
CommitDate: Fri, 21 Feb 2014 21:43:20 +0100
sched: prio: Add 3 macros of MAX_NICE, MIN_NICE and NICE_WIDTH in prio.h.
Currently, there are lots of hard coding of 19 and -20 to represent
maximum and minimum of nice value.
This patch add three macros in prio.h for maximum, minimum and width
of nice value.
cc: Peter Zijlstra <peterz@infradead.org>
cc: Ingo Molnar <mingo@kernel.org>
Cc: Ingo Molnar <mingo@kernel.org>
Signed-off-by: Dongsheng Yang <yangds.fnst@cn.fujitsu.com>
Signed-off-by: Peter Zijlstra <peterz@infradead.org>
Link: http://lkml.kernel.org/r/3994e89327b2b15f992277cdf9f409c516f87d1b.1392103744.git.yangds.fnst@cn.fujitsu.com
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
---
include/linux/sched/prio.h | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/include/linux/sched/prio.h b/include/linux/sched/prio.h
index 1ceaaa1..c6974c4 100644
--- a/include/linux/sched/prio.h
+++ b/include/linux/sched/prio.h
@@ -1,6 +1,10 @@
#ifndef _SCHED_PRIO_H
#define _SCHED_PRIO_H
+#define MAX_NICE 19
+#define MIN_NICE -20
+#define NICE_WIDTH (MAX_NICE - MIN_NICE + 1)
+
/*
* Priority of a process goes from 0..MAX_PRIO-1, valid RT
* priority is 0..MAX_RT_PRIO-1, and SCHED_NORMAL/SCHED_BATCH
next prev parent reply other threads:[~2014-02-21 21:33 UTC|newest]
Thread overview: 44+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-02-11 7:34 [PATCH 0/9] Add MAX_NICE, MIN_NICE and NICE_WIDTH macros in prio.h Dongsheng Yang
2014-02-11 7:34 ` [PATCH 1/9] sched: Prio: Use DEFAULT_PRIO to define NICE_TO_PRIO and PRIO_TO_NICE Dongsheng Yang
2014-02-21 21:32 ` [tip:sched/core] " tip-bot for Dongsheng Yang
2014-02-22 18:03 ` [tip:sched/core] sched/prio: Use DEFAULT_PRIO to define NICE_TO_PRIO() and PRIO_TO_NICE() tip-bot for Dongsheng Yang
2014-02-11 7:34 ` [PATCH 2/9] sched: prio: Add 3 macros of MAX_NICE, MIN_NICE and NICE_WIDTH in prio.h Dongsheng Yang
2014-02-21 21:33 ` tip-bot for Dongsheng Yang [this message]
2014-02-22 18:03 ` [tip:sched/core] sched/prio: " tip-bot for Dongsheng Yang
2014-02-11 7:34 ` [PATCH 3/9] sched: prio: Use NICE_WIDTH macro to avoid using of hard coding of 40 and 20 " Dongsheng Yang
2014-02-21 21:33 ` [tip:sched/core] " tip-bot for Dongsheng Yang
2014-02-11 7:34 ` [PATCH 4/9] sched: prio: Add spaces before and after operator of '-' Dongsheng Yang
2014-02-21 21:33 ` [tip:sched/core] " tip-bot for Dongsheng Yang
2014-02-11 7:34 ` [PATCH 5/9] rcu: Use MAX_NICE to replace hard coding of 19 Dongsheng Yang
2014-02-11 15:37 ` Josh Triplett
2014-02-11 16:13 ` Paul E. McKenney
2014-02-11 16:42 ` Peter Zijlstra
2014-02-11 17:42 ` Paul E. McKenney
2014-02-21 21:33 ` [tip:sched/core] " tip-bot for Dongsheng Yang
2014-02-22 18:03 ` [tip:sched/core] rcu: Use MAX_NICE to replace hardcoding " tip-bot for Dongsheng Yang
2014-02-11 7:34 ` [PATCH 6/9] sched: Replace hardcoding of -20 and 19 with MIN_NICE and MAX_NICE Dongsheng Yang
2014-02-21 21:33 ` [tip:sched/core] " tip-bot for Dongsheng Yang
2014-02-22 18:03 ` tip-bot for Dongsheng Yang
2014-02-11 7:34 ` [PATCH 7/9] sys: " Dongsheng Yang
2014-02-11 18:27 ` Kees Cook
2014-02-12 3:59 ` Dongsheng Yang
2014-02-12 6:40 ` Kees Cook
2014-02-21 21:34 ` [tip:sched/core] " tip-bot for Dongsheng Yang
2014-02-22 18:04 ` tip-bot for Dongsheng Yang
2014-02-11 7:34 ` [PATCH 8/9] workqueue: " Dongsheng Yang
2014-02-11 17:50 ` Tejun Heo
2014-02-21 21:34 ` [tip:sched/core] " tip-bot for Dongsheng Yang
2014-02-22 18:04 ` tip-bot for Dongsheng Yang
2014-02-11 7:34 ` [PATCH 9/9] trace: Replace hardcoding of 19 with MAX_NICE Dongsheng Yang
2014-02-22 9:05 ` Dongsheng Yang
2014-02-22 9:27 ` Peter Zijlstra
2014-02-24 10:46 ` Peter Zijlstra
2014-02-24 14:08 ` Dongsheng Yang
2014-02-24 14:12 ` [PATCH Resend] " Dongsheng Yang
2014-02-24 14:22 ` Peter Zijlstra
2014-02-24 14:29 ` Steven Rostedt
2014-02-24 14:48 ` Peter Zijlstra
2014-02-27 13:33 ` [tip:sched/core] " tip-bot for Dongsheng Yang
2014-02-14 9:22 ` [PATCH 0/9] Add MAX_NICE, MIN_NICE and NICE_WIDTH macros in prio.h Dongsheng Yang
2014-02-14 9:51 ` Peter Zijlstra
2014-02-14 9:54 ` Dongsheng Yang
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