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/* SPDX-License-Identifier: GPL-2.0 */
#ifndef _LINUX_SCHED_NUMA_BALANCING_H
#define _LINUX_SCHED_NUMA_BALANCING_H

/*
 * This is the interface between the scheduler and the MM that
 * implements memory access pattern based NUMA-balancing:
 */

#include <linux/sched.h>

#define TNF_MIGRATED	0x01
#define TNF_NO_GROUP	0x02
#define TNF_SHARED	0x04
#define TNF_FAULT_LOCAL	0x08
#define TNF_MIGRATE_FAIL 0x10

#ifdef CONFIG_NUMA_BALANCING
extern void task_numa_fault(int last_node, int node, int pages, int flags);
extern pid_t task_numa_group_id(struct task_struct *p);
extern void set_numabalancing_state(bool enabled);
extern void task_numa_free(struct task_struct *p, bool final);
extern bool should_numa_migrate_memory(struct task_struct *p, struct page *page,
					int src_nid, int dst_cpu);
#else
static inline void task_numa_fault(int last_node, int node, int pages,
				   int flags)
{
}
static inline pid_t task_numa_group_id(struct task_struct *p)
{
	return 0;
}
static inline void set_numabalancing_state(bool enabled)
{
}
static inline void task_numa_free(struct task_struct *p, bool final)
{
}
static inline bool should_numa_migrate_memory(struct task_struct *p,
				struct page *page, int src_nid, int dst_cpu)
{
	return true;
}
#endif

#endif /* _LINUX_SCHED_NUMA_BALANCING_H */

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Name Type Size Permission Actions
autogroup.h File 1.2 KB 0644
clock.h File 2.45 KB 0644
coredump.h File 2.75 KB 0644
cpufreq.h File 887 B 0644
cputime.h File 5.13 KB 0644
deadline.h File 597 B 0644
debug.h File 1.41 KB 0644
hotplug.h File 578 B 0644
idle.h File 1.77 KB 0644
init.h File 240 B 0644
isolation.h File 1.33 KB 0644
jobctl.h File 1.46 KB 0644
loadavg.h File 1.17 KB 0644
mm.h File 7.63 KB 0644
nohz.h File 1.22 KB 0644
numa_balancing.h File 1.26 KB 0644
prio.h File 1.71 KB 0644
rt.h File 1.41 KB 0644
signal.h File 17.79 KB 0644
smt.h File 415 B 0644
stat.h File 1.02 KB 0644
sysctl.h File 2.5 KB 0644
task.h File 3.9 KB 0644
task_stack.h File 3.03 KB 0644
topology.h File 6.18 KB 0644
user.h File 1.7 KB 0644
wake_q.h File 1.79 KB 0644
xacct.h File 854 B 0644