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authorDongsheng Yang <yangds.fnst@cn.fujitsu.com>2014-02-11 15:34:51 +0800
committerIngo Molnar <mingo@kernel.org>2014-02-22 18:16:19 +0100
commitc4a4d2f43177f6165132c6d36a4d46963018f726 (patch)
tree14a9394c6271075833b6b332da2c6e7cd226ded5 /kernel/sys.c
parent75e45d512f257beedae0d8a67d053cde5537bd4c (diff)
downloadop-kernel-dev-c4a4d2f43177f6165132c6d36a4d46963018f726.zip
op-kernel-dev-c4a4d2f43177f6165132c6d36a4d46963018f726.tar.gz
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>
Diffstat (limited to 'kernel/sys.c')
-rw-r--r--kernel/sys.c8
1 files 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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