Commit c4a4d2f4 authored Feb 11, 2014 by Dongsheng Yang Committed by Ingo Molnar Feb 22, 2014

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

Signed-off-by: Dongsheng Yang <yangds.fnst@cn.fujitsu.com>
Signed-off-by: Peter Zijlstra <peterz@infradead.org>
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: Oleg Nesterov <oleg@redhat.com>
Cc: Robin Holt <holt@sgi.com>
Cc: Al Viro <viro@zeniv.linux.org.uk>
Cc: Kees Cook <keescook@chromium.org>
Cc: "Eric W. Biederman" <ebiederm@xmission.com>
Cc: Stephen Rothwell <sfr@canb.auug.org.au>
Link: http://lkml.kernel.org/r/0261f094b836f1acbcdf52e7166487c0c77323c8.1392103744.git.yangds.fnst@cn.fujitsu.com

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Ingo Molnar <mingo@kernel.org>

parent 75e45d51

kernel/sys.c

+4 −4

Original line number	Diff line number	Diff line
		@@ -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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