Commit-ID: 82abc86e6bcd0ab6b2efad1d8201abb463422034 Gitweb: http://git.kernel.org/tip/82abc86e6bcd0ab6b2efad1d8201abb463422034 Author: Dongsheng Yang <yangds.fnst@xxxxxxxxxxxxxx> AuthorDate: Tue, 11 Feb 2014 15:34:50 +0800 Committer: Thomas Gleixner <tglx@xxxxxxxxxxxxx> CommitDate: Fri, 21 Feb 2014 21:43:20 +0100 sched: Replace hardcoding of -20 and 19 with MIN_NICE and MAX_NICE. Cc: Ingo Molnar <mingo@xxxxxxxxxx> Signed-off-by: Dongsheng Yang <yangds.fnst@xxxxxxxxxxxxxx> Signed-off-by: Peter Zijlstra <peterz@xxxxxxxxxxxxx> Link: http://lkml.kernel.org/r/bd80780f19b4f9b4a765acc353c8dbc130274dd6.1392103744.git.yangds.fnst@xxxxxxxxxxxxxx Signed-off-by: Thomas Gleixner <tglx@xxxxxxxxxxxxx> --- kernel/sched/auto_group.c | 2 +- kernel/sched/core.c | 12 ++++++------ 2 files changed, 7 insertions(+), 7 deletions(-) diff --git a/kernel/sched/auto_group.c b/kernel/sched/auto_group.c index 4a07353..e73efba 100644 --- a/kernel/sched/auto_group.c +++ b/kernel/sched/auto_group.c @@ -203,7 +203,7 @@ int proc_sched_autogroup_set_nice(struct task_struct *p, int nice) struct autogroup *ag; int err; - if (nice < -20 || nice > 19) + if (nice < MIN_NICE || nice > MAX_NICE) return -EINVAL; err = security_task_setnice(current, nice); diff --git a/kernel/sched/core.c b/kernel/sched/core.c index 67a24fa..67fcadb 100644 --- a/kernel/sched/core.c +++ b/kernel/sched/core.c @@ -3001,7 +3001,7 @@ void set_user_nice(struct task_struct *p, long nice) unsigned long flags; struct rq *rq; - if (task_nice(p) == nice || nice < -20 || nice > 19) + if (task_nice(p) == nice || nice < MIN_NICE || nice > MAX_NICE) return; /* * We have to be careful, if called from sys_setpriority(), @@ -3080,10 +3080,10 @@ SYSCALL_DEFINE1(nice, int, increment) increment = 40; nice = task_nice(current) + increment; - if (nice < -20) - nice = -20; - if (nice > 19) - nice = 19; + if (nice < MIN_NICE) + nice = MIN_NICE; + if (nice > MAX_NICE) + nice = MAX_NICE; if (increment < 0 && !can_nice(current, nice)) return -EPERM; @@ -3631,7 +3631,7 @@ static int sched_copy_attr(struct sched_attr __user *uattr, * XXX: do we want to be lenient like existing syscalls; or do we want * to be strict and return an error on out-of-bounds values? */ - attr->sched_nice = clamp(attr->sched_nice, -20, 19); + attr->sched_nice = clamp(attr->sched_nice, MIN_NICE, MAX_NICE); out: return ret; -- To unsubscribe from this list: send the line "unsubscribe linux-tip-commits" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
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