linux-kernel - [tip:sched/core] sys: Replace hardcoding of -20 and 19 with MIN_NICE and MAX

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Date:	Fri, 21 Feb 2014 13:34:04 -0800
From:	tip-bot for Dongsheng Yang <tipbot@...or.com>
To:	linux-tip-commits@...r.kernel.org
Cc:	linux-kernel@...r.kernel.org, hpa@...or.com, mingo@...nel.org,
	peterz@...radead.org, holt@....com, viro@...iv.linux.org.uk,
	ebiederm@...ssion.com, keescook@...omium.org,
	akpm@...ux-foundation.org, sfr@...b.auug.org.au,
	tglx@...utronix.de, oleg@...hat.com, yangds.fnst@...fujitsu.com
Subject: [tip:sched/core] sys:
  Replace hardcoding of -20 and 19 with MIN_NICE and MAX_NICE.

Commit-ID:  4870c6e5774424c994bfd606cd8adb8818e8a85c
Gitweb:     http://git.kernel.org/tip/4870c6e5774424c994bfd606cd8adb8818e8a85c
Author:     Dongsheng Yang <yangds.fnst@...fujitsu.com>
AuthorDate: Tue, 11 Feb 2014 15:34:51 +0800
Committer:  Thomas Gleixner <tglx@...utronix.de>
CommitDate: Fri, 21 Feb 2014 21:43:21 +0100

sys: Replace hardcoding of -20 and 19 with MIN_NICE and MAX_NICE.

Cc: Andrew Morton <akpm@...ux-foundation.org>
Cc: Oleg Nesterov <oleg@...hat.com>
Cc: Robin Holt <holt@....com>
Cc: Al Viro <viro@...iv.linux.org.uk>
Cc: Kees Cook <keescook@...omium.org>
Cc: "Eric W. Biederman" <ebiederm@...ssion.com>
Cc: Stephen Rothwell <sfr@...b.auug.org.au>
Cc: Ingo Molnar <mingo@...nel.org>
Signed-off-by: Dongsheng Yang <yangds.fnst@...fujitsu.com>
Signed-off-by: Peter Zijlstra <peterz@...radead.org>
Link: http://lkml.kernel.org/r/0261f094b836f1acbcdf52e7166487c0c77323c8.1392103744.git.yangds.fnst@cn.fujitsu.com
Signed-off-by: Thomas Gleixner <tglx@...utronix.de>
---
 kernel/sys.c | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/kernel/sys.c b/kernel/sys.c
index c0a58be..adaeab6 100644
--- a/kernel/sys.c
+++ b/kernel/sys.c
@@ -174,10 +174,10 @@ SYSCALL_DEFINE3(setpriority, int, which, int, who, int, niceval)
 
 	/* normalize: avoid signed division (rounding problems) */
 	error = -ESRCH;
-	if (niceval < -20)
-		niceval = -20;
-	if (niceval > 19)
-		niceval = 19;
+	if (niceval < MIN_NICE)
+		niceval = MIN_NICE;
+	if (niceval > MAX_NICE)
+		niceval = MAX_NICE;
 
 	rcu_read_lock();
 	read_lock(&tasklist_lock);
--
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