FM / sched

/usr/src/kernels/4.18.0-553.121.1.el8_10.x86_64/include/linux/sched/

/usr/src/kernels/4.18.0-553.121.1.el8_10.x86_64/include/linux/sched

Name	Size	Mode	Actions
autogroup.h	1229	0644	edit dl rm
clock.h	2506	0644	edit dl rm
coredump.h	3241	0644	edit dl rm
cpufreq.h	910	0644	edit dl rm
cputime.h	5349	0644	edit dl rm
deadline.h	652	0644	edit dl rm
debug.h	1439	0644	edit dl rm
hotplug.h	664	0644	edit dl rm
idle.h	1890	0644	edit dl rm
init.h	240	0644	edit dl rm
isolation.h	1823	0644	edit dl rm
jobctl.h	1752	0644	edit dl rm
loadavg.h	1588	0644	edit dl rm
mm.h	12697	0644	edit dl rm
nohz.h	907	0644	edit dl rm
numa_balancing.h	1292	0644	edit dl rm
prio.h	1754	0644	edit dl rm
rt.h	1259	0644	edit dl rm
signal.h	21112	0644	edit dl rm
smt.h	415	0644	edit dl rm
stat.h	967	0644	edit dl rm
sysctl.h	2860	0644	edit dl rm
task.h	5478	0644	edit dl rm
task_stack.h	3053	0644	edit dl rm
topology.h	7071	0644	edit dl rm
types.h	683	0644	edit dl rm
user.h	2049	0644	edit dl rm
wake_q.h	2272	0644	edit dl rm
xacct.h	854	0644	edit dl rm

Edit: /usr/src/kernels/4.18.0-553.121.1.el8_10.x86_64/include/linux/sched/isolation.h (1823B)

#ifndef _LINUX_SCHED_ISOLATION_H
#define _LINUX_SCHED_ISOLATION_H

#include <linux/cpumask.h>
#include <linux/init.h>
#include <linux/tick.h>

enum hk_flags {
	HK_FLAG_TIMER		= 1,
	HK_FLAG_RCU		= (1 << 1),
	HK_FLAG_MISC		= (1 << 2),
	HK_FLAG_SCHED		= (1 << 3),
	HK_FLAG_TICK		= (1 << 4),
	HK_FLAG_DOMAIN		= (1 << 5),
	HK_FLAG_WQ		= (1 << 6),
	HK_FLAG_MANAGED_IRQ	= (1 << 7),
	HK_FLAG_KTHREAD		= (1 << 8),
};

#ifdef CONFIG_CPU_ISOLATION
DECLARE_STATIC_KEY_FALSE(housekeeping_overridden);
extern int housekeeping_any_cpu(enum hk_flags flags);
extern const struct cpumask *housekeeping_cpumask(enum hk_flags flags);
extern bool housekeeping_enabled(enum hk_flags flags);
extern void housekeeping_affine(struct task_struct *t, enum hk_flags flags);
extern bool housekeeping_test_cpu(int cpu, enum hk_flags flags);
extern void __init housekeeping_init(void);

#else

static inline int housekeeping_any_cpu(enum hk_flags flags)
{
	return smp_processor_id();
}

static inline const struct cpumask *housekeeping_cpumask(enum hk_flags flags)
{
	return cpu_possible_mask;
}

static inline bool housekeeping_enabled(enum hk_flags flags)
{
	return false;
}

static inline void housekeeping_affine(struct task_struct *t,
				       enum hk_flags flags) { }
static inline bool housekeeping_test_cpu(int cpu, enum hk_flags flags)
{
	return true;
}
static inline void housekeeping_init(void) { }
#endif /* CONFIG_CPU_ISOLATION */

static inline bool housekeeping_cpu(int cpu, enum hk_flags flags)
{
#ifdef CONFIG_CPU_ISOLATION
	if (static_branch_unlikely(&housekeeping_overridden))
		return housekeeping_test_cpu(cpu, flags);
#endif
	return true;
}

static inline bool cpu_is_isolated(int cpu)
{
	return !housekeeping_test_cpu(cpu, HK_FLAG_DOMAIN) ||
		 !housekeeping_test_cpu(cpu, HK_FLAG_TICK);
}

#endif /* _LINUX_SCHED_ISOLATION_H */

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