mirror of
https://github.com/torvalds/linux.git
synced 2024-11-06 20:21:57 +00:00
74e6942fbc
Actually, cpupri_set() and cpupri_init() can never be used without CONFIG_SMP. Signed-off-by: pang.xunlei <pang.xunlei@linaro.org> Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org> Cc: Steven Rostedt <rostedt@goodmis.org> Cc: Juri Lelli <juri.lelli@gmail.com> Cc: "pang.xunlei" <pang.xunlei@linaro.org> Cc: Linus Torvalds <torvalds@linux-foundation.org> Link: http://lkml.kernel.org/r/1415260327-30465-1-git-send-email-pang.xunlei@linaro.org Signed-off-by: Ingo Molnar <mingo@kernel.org>
32 lines
674 B
C
32 lines
674 B
C
#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;
|
|
};
|
|
|
|
#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);
|
|
#endif
|
|
|
|
#endif /* _LINUX_CPUPRI_H */
|