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7e56a1cf4b
Nobody needs to access this detail. housekeeping_cpumask() already takes care of it. Signed-off-by: Frederic Weisbecker <frederic@kernel.org> Acked-by: Thomas Gleixner <tglx@linutronix.de> Cc: Chris Metcalf <cmetcalf@mellanox.com> Cc: Christoph Lameter <cl@linux.com> Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: Luiz Capitulino <lcapitulino@redhat.com> Cc: Mike Galbraith <efault@gmx.de> Cc: Paul E. McKenney <paulmck@linux.vnet.ibm.com> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Rik van Riel <riel@redhat.com> Cc: Wanpeng Li <kernellwp@gmail.com> Link: http://lkml.kernel.org/r/1509072159-31808-5-git-send-email-frederic@kernel.org Signed-off-by: Ingo Molnar <mingo@kernel.org>
40 lines
939 B
C
40 lines
939 B
C
#ifndef _LINUX_SCHED_ISOLATION_H
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#define _LINUX_SCHED_ISOLATION_H
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#include <linux/cpumask.h>
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#include <linux/init.h>
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#include <linux/tick.h>
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#ifdef CONFIG_NO_HZ_FULL
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extern int housekeeping_any_cpu(void);
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extern const struct cpumask *housekeeping_cpumask(void);
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extern void housekeeping_affine(struct task_struct *t);
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extern bool housekeeping_test_cpu(int cpu);
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extern void __init housekeeping_init(void);
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#else
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static inline int housekeeping_any_cpu(void)
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{
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return smp_processor_id();
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}
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static inline const struct cpumask *housekeeping_cpumask(void)
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{
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return cpu_possible_mask;
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}
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static inline void housekeeping_affine(struct task_struct *t) { }
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static inline void housekeeping_init(void) { }
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#endif /* CONFIG_NO_HZ_FULL */
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static inline bool is_housekeeping_cpu(int cpu)
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{
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#ifdef CONFIG_NO_HZ_FULL
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if (tick_nohz_full_enabled())
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return housekeeping_test_cpu(cpu);
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#endif
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return true;
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}
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#endif /* _LINUX_SCHED_ISOLATION_H */
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