mirror of
https://github.com/torvalds/linux
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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>
31 lines
674 B
C
31 lines
674 B
C
#ifndef _LINUX_CPUPRI_H
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#define _LINUX_CPUPRI_H
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#include <linux/sched.h>
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#define CPUPRI_NR_PRIORITIES (MAX_RT_PRIO + 2)
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#define CPUPRI_INVALID -1
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#define CPUPRI_IDLE 0
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#define CPUPRI_NORMAL 1
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/* values 2-101 are RT priorities 0-99 */
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struct cpupri_vec {
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atomic_t count;
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cpumask_var_t mask;
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};
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struct cpupri {
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struct cpupri_vec pri_to_cpu[CPUPRI_NR_PRIORITIES];
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int *cpu_to_pri;
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};
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#ifdef CONFIG_SMP
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int cpupri_find(struct cpupri *cp,
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struct task_struct *p, struct cpumask *lowest_mask);
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void cpupri_set(struct cpupri *cp, int cpu, int pri);
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int cpupri_init(struct cpupri *cp);
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void cpupri_cleanup(struct cpupri *cp);
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#endif
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#endif /* _LINUX_CPUPRI_H */
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