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sched/deadline: Unify dl_time_before() usage

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Move dl_time_before() static definition in include/linux/sched/deadline.h
so that it can be used by different parties without being re-defined.

Reported-by: Luca Abeni <luca.abeni@unitn.it>
Signed-off-by: Juri Lelli <juri.lelli@arm.com>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Link: http://lkml.kernel.org/r/1441188096-23021-3-git-send-email-juri.lelli@arm.com
Signed-off-by: Ingo Molnar <mingo@kernel.org>
This commit is contained in:
Juri Lelli 2015-09-02 11:01:34 +01:00 committed by Ingo Molnar
parent 79a89f92cb
commit 2726d6ce38
4 changed files with 6 additions and 10 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

5
include/linux/sched/deadline.h
View File

@ -21,4 +21,9 @@ static inline int dl_task(struct task_struct *p)
return dl_prio(p->prio);
}
static inline bool dl_time_before(u64 a, u64 b)
{
return (s64)(a - b) < 0;
}
#endif /* _SCHED_DEADLINE_H */

5
kernel/sched/cpudeadline.c
View File

@ -31,11 +31,6 @@ static inline int right_child(int i)
return (i << 1) + 2;
}
static inline int dl_time_before(u64 a, u64 b)
{
return (s64)(a - b) < 0;
}
static void cpudl_exchange(struct cpudl *cp, int a, int b)
{
int cpu_a = cp->elements[a].cpu, cpu_b = cp->elements[b].cpu;

1
kernel/sched/cpudeadline.h
View File

@ -2,6 +2,7 @@
#define _LINUX_CPUDL_H
#include <linux/sched.h>
#include <linux/sched/deadline.h>
#define IDX_INVALID -1

5
kernel/sched/sched.h
View File

@ -118,11 +118,6 @@ static inline int task_has_dl_policy(struct task_struct *p)
return dl_policy(p->policy);
}
static inline bool dl_time_before(u64 a, u64 b)
{
return (s64)(a - b) < 0;
}
/*
* Tells if entity @a should preempt entity @b.
*/