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linux-next/include/linux/sched/deadline.h
Ingo Molnar 325ea10c08 sched/headers: Simplify and clean up header usage in the scheduler
Do the following cleanups and simplifications:

 - sched/sched.h already includes <asm/paravirt.h>, so no need to
   include it in sched/core.c again.

 - order the <linux/sched/*.h> headers alphabetically

 - add all <linux/sched/*.h> headers to kernel/sched/sched.h

 - remove all unnecessary includes from the .c files that
   are already included in kernel/sched/sched.h.

Finally, make all scheduler .c files use a single common header:

  #include "sched.h"

... which now contains a union of the relied upon headers.

This makes the various .c files easier to read and easier to handle.

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>
Cc: linux-kernel@vger.kernel.org
Signed-off-by: Ingo Molnar <mingo@kernel.org>
2018-03-04 12:39:29 +01:00

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C

/* SPDX-License-Identifier: GPL-2.0 */
/*
* SCHED_DEADLINE tasks has negative priorities, reflecting
* the fact that any of them has higher prio than RT and
* NORMAL/BATCH tasks.
*/
#define MAX_DL_PRIO 0
static inline int dl_prio(int prio)
{
if (unlikely(prio < MAX_DL_PRIO))
return 1;
return 0;
}
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;
}