#ifndef _LINUX_CPUSET_H

#define _LINUX_CPUSET_H

/*

 *  cpuset interface

 *

 *  Copyright (C) 2003 BULL SA

 *  Copyright (C) 2004-2006 Silicon Graphics, Inc.

 *

 */

#include <linux/sched.h>

#include <linux/cpumask.h>

#include <linux/nodemask.h>

#include <linux/cgroup.h>

#ifdef CONFIG_CPUSETS

extern int number_of_cpusets;	/* How many cpusets are defined in system? */

extern int cpuset_init_early(void);

extern int cpuset_init(void);

extern void cpuset_init_smp(void);

extern void cpuset_cpus_allowed(struct task_struct *p, cpumask_t *mask);

extern void cpuset_cpus_allowed_locked(struct task_struct *p, cpumask_t *mask);

extern nodemask_t cpuset_mems_allowed(struct task_struct *p);

#define cpuset_current_mems_allowed (current->mems_allowed)

void cpuset_init_current_mems_allowed(void);

void cpuset_update_task_memory_state(void);

int cpuset_nodemask_valid_mems_allowed(nodemask_t *nodemask);

extern int __cpuset_zone_allowed_softwall(struct zone *z, gfp_t gfp_mask);

extern int __cpuset_zone_allowed_hardwall(struct zone *z, gfp_t gfp_mask);

static int inline cpuset_zone_allowed_softwall(struct zone *z, gfp_t gfp_mask)

{

	return number_of_cpusets <= 1 ||

		__cpuset_zone_allowed_softwall(z, gfp_mask);

}

static int inline cpuset_zone_allowed_hardwall(struct zone *z, gfp_t gfp_mask)

{

	return number_of_cpusets <= 1 ||

		__cpuset_zone_allowed_hardwall(z, gfp_mask);

}

extern int cpuset_mems_allowed_intersects(const struct task_struct *tsk1,

					  const struct task_struct *tsk2);

#define cpuset_memory_pressure_bump() 				\

	do {							\

		if (cpuset_memory_pressure_enabled)		\

			__cpuset_memory_pressure_bump();	\

	} while (0)

extern int cpuset_memory_pressure_enabled;

extern void __cpuset_memory_pressure_bump(void);

extern const struct file_operations proc_cpuset_operations;

struct seq_file;

extern void cpuset_task_status_allowed(struct seq_file *m,

					struct task_struct *task);

extern void cpuset_lock(void);

extern void cpuset_unlock(void);

extern int cpuset_mem_spread_node(void);

static inline int cpuset_do_page_mem_spread(void)

{

	return current->flags & PF_SPREAD_PAGE;

}

static inline int cpuset_do_slab_mem_spread(void)

{

	return current->flags & PF_SPREAD_SLAB;

}

extern int current_cpuset_is_being_rebound(void);

extern void rebuild_sched_domains(void);

#else /* !CONFIG_CPUSETS */

static inline int cpuset_init_early(void) { return 0; }

static inline int cpuset_init(void) { return 0; }

static inline void cpuset_init_smp(void) {}

static inline void cpuset_cpus_allowed(struct task_struct *p, cpumask_t *mask)

{

	*mask = cpu_possible_map;

}

static inline void cpuset_cpus_allowed_locked(struct task_struct *p,

								cpumask_t *mask)

{

	*mask = cpu_possible_map;

}

static inline nodemask_t cpuset_mems_allowed(struct task_struct *p)

{

	return node_possible_map;

}

#define cpuset_current_mems_allowed (node_states[N_HIGH_MEMORY])

static inline void cpuset_init_current_mems_allowed(void) {}

static inline void cpuset_update_task_memory_state(void) {}

static inline int cpuset_nodemask_valid_mems_allowed(nodemask_t *nodemask)

{

	return 1;

}

static inline int cpuset_zone_allowed_softwall(struct zone *z, gfp_t gfp_mask)

{

	return 1;

}

static inline int cpuset_zone_allowed_hardwall(struct zone *z, gfp_t gfp_mask)

{

	return 1;

}

static inline int cpuset_mems_allowed_intersects(const struct task_struct *tsk1,

						 const struct task_struct *tsk2)

{

	return 1;

}

static inline void cpuset_memory_pressure_bump(void) {}

static inline void cpuset_task_status_allowed(struct seq_file *m,

						struct task_struct *task)

{

}

static inline void cpuset_lock(void) {}

static inline void cpuset_unlock(void) {}

static inline int cpuset_mem_spread_node(void)

{

	return 0;

}

static inline int cpuset_do_page_mem_spread(void)

{

	return 0;

}

static inline int cpuset_do_slab_mem_spread(void)

{

	return 0;

}

static inline int current_cpuset_is_being_rebound(void)

{

	return 0;

}

static inline void rebuild_sched_domains(void)

{

	partition_sched_domains(1, NULL, NULL);

}

#endif /* !CONFIG_CPUSETS */

#endif /* _LINUX_CPUSET_H */