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| author | Peter Zijlstra <a.p.zijlstra@chello.nl> | 2011-11-15 17:14:39 +0100 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2011-11-17 12:20:22 +0100 |
| commit | 391e43da797a96aeb65410281891f6d0b0e9611c (patch) | |
| tree | 0ce6784525a5a8f75b377170cf1a7d60abccea29 /kernel/sched/cpupri.h | |
| parent | 029632fbb7b7c9d85063cc9eb470de6c54873df3 (diff) | |
| download | linux-391e43da797a96aeb65410281891f6d0b0e9611c.tar.bz2 | |
sched: Move all scheduler bits into kernel/sched/
There's too many sched*.[ch] files in kernel/, give them their own
directory.
(No code changed, other than Makefile glue added.)
Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'kernel/sched/cpupri.h')
| -rw-r--r-- | kernel/sched/cpupri.h | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/kernel/sched/cpupri.h b/kernel/sched/cpupri.h new file mode 100644 index 000000000000..f6d756173491 --- /dev/null +++ b/kernel/sched/cpupri.h @@ -0,0 +1,34 @@ +#ifndef _LINUX_CPUPRI_H +#define _LINUX_CPUPRI_H + +#include <linux/sched.h> + +#define CPUPRI_NR_PRIORITIES (MAX_RT_PRIO + 2) + +#define CPUPRI_INVALID -1 +#define CPUPRI_IDLE 0 +#define CPUPRI_NORMAL 1 +/* values 2-101 are RT priorities 0-99 */ + +struct cpupri_vec { + atomic_t count; + cpumask_var_t mask; +}; + +struct cpupri { + struct cpupri_vec pri_to_cpu[CPUPRI_NR_PRIORITIES]; + int cpu_to_pri[NR_CPUS]; +}; + +#ifdef CONFIG_SMP +int cpupri_find(struct cpupri *cp, + struct task_struct *p, struct cpumask *lowest_mask); +void cpupri_set(struct cpupri *cp, int cpu, int pri); +int cpupri_init(struct cpupri *cp); +void cpupri_cleanup(struct cpupri *cp); +#else +#define cpupri_set(cp, cpu, pri) do { } while (0) +#define cpupri_init() do { } while (0) +#endif + +#endif /* _LINUX_CPUPRI_H */ |