#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_fork(struct task_struct *p);
extern void cpuset_exit(struct task_struct *p);
-extern cpumask_t cpuset_cpus_allowed(const struct task_struct *p);
+extern cpumask_t cpuset_cpus_allowed(struct task_struct *p);
+extern nodemask_t cpuset_mems_allowed(struct task_struct *p);
void cpuset_init_current_mems_allowed(void);
-void cpuset_update_current_mems_allowed(void);
-void cpuset_restrict_to_mems_allowed(unsigned long *nodes);
+void cpuset_update_task_memory_state(void);
+#define cpuset_nodes_subset_current_mems_allowed(nodes) \
+ nodes_subset((nodes), current->mems_allowed)
int cpuset_zonelist_valid_mems_allowed(struct zonelist *zl);
-extern int cpuset_zone_allowed(struct zone *z, unsigned int __nocast gfp_mask);
+
+extern int __cpuset_zone_allowed(struct zone *z, gfp_t gfp_mask);
+static int inline cpuset_zone_allowed(struct zone *z, gfp_t gfp_mask)
+{
+ return number_of_cpusets <= 1 || __cpuset_zone_allowed(z, gfp_mask);
+}
+
+extern int cpuset_excl_nodes_overlap(const struct task_struct *p);
+
+#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 struct file_operations proc_cpuset_operations;
extern char *cpuset_task_status_allowed(struct task_struct *task, char *buffer);
+extern void cpuset_lock(void);
+extern void cpuset_unlock(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_fork(struct task_struct *p) {}
return cpu_possible_map;
}
+static inline nodemask_t cpuset_mems_allowed(struct task_struct *p)
+{
+ return node_possible_map;
+}
+
static inline void cpuset_init_current_mems_allowed(void) {}
-static inline void cpuset_update_current_mems_allowed(void) {}
-static inline void cpuset_restrict_to_mems_allowed(unsigned long *nodes) {}
+static inline void cpuset_update_task_memory_state(void) {}
+#define cpuset_nodes_subset_current_mems_allowed(nodes) (1)
static inline int cpuset_zonelist_valid_mems_allowed(struct zonelist *zl)
{
return 1;
}
-static inline int cpuset_zone_allowed(struct zone *z,
- unsigned int __nocast gfp_mask)
+static inline int cpuset_zone_allowed(struct zone *z, gfp_t gfp_mask)
+{
+ return 1;
+}
+
+static inline int cpuset_excl_nodes_overlap(const struct task_struct *p)
{
return 1;
}
+static inline void cpuset_memory_pressure_bump(void) {}
+
static inline char *cpuset_task_status_allowed(struct task_struct *task,
char *buffer)
{
return buffer;
}
+static inline void cpuset_lock(void) {}
+static inline void cpuset_unlock(void) {}
+
#endif /* !CONFIG_CPUSETS */
#endif /* _LINUX_CPUSET_H */