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>
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@ -174,10 +174,10 @@ SYSCALL_DEFINE3(setpriority, int, which, int, who, int, niceval)
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/* normalize: avoid signed division (rounding problems) */
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error = -ESRCH;
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if (niceval < -20)
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niceval = -20;
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if (niceval > 19)
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niceval = 19;
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if (niceval < MIN_NICE)
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niceval = MIN_NICE;
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if (niceval > MAX_NICE)
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niceval = MAX_NICE;
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rcu_read_lock();
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read_lock(&tasklist_lock);
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