X-Git-Url: http://ftp.safe.ca/?a=blobdiff_plain;f=include%2Flinux%2Fcpuset.h;h=ecae585ec3da97fce87fa5703e64d51519522d59;hb=73c34431c7119d0bc7d3436abfad75fe47b2c51f;hp=4d8adf6636810875b00f070dd548193e620b7015;hpb=38837fc75acb7fa9b0e111b0241fe4fe76c5d4b3;p=safe%2Fjmp%2Flinux-2.6 diff --git a/include/linux/cpuset.h b/include/linux/cpuset.h index 4d8adf6..ecae585 100644 --- a/include/linux/cpuset.h +++ b/include/linux/cpuset.h @@ -11,6 +11,7 @@ #include #include #include +#include #ifdef CONFIG_CPUSETS @@ -19,23 +20,33 @@ 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(struct task_struct *p); +extern cpumask_t cpuset_cpus_allowed_locked(struct task_struct *p); 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); #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, gfp_t gfp_mask); -static int inline cpuset_zone_allowed(struct zone *z, gfp_t gfp_mask) +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(z, gfp_mask); + return number_of_cpusets <= 1 || + __cpuset_zone_allowed_hardwall(z, gfp_mask); } -extern int cpuset_excl_nodes_overlap(const struct task_struct *p); +extern int cpuset_mems_allowed_intersects(const struct task_struct *tsk1, + const struct task_struct *tsk2); #define cpuset_memory_pressure_bump() \ do { \ @@ -45,7 +56,7 @@ extern int cpuset_excl_nodes_overlap(const struct task_struct *p); extern int cpuset_memory_pressure_enabled; extern void __cpuset_memory_pressure_bump(void); -extern struct file_operations proc_cpuset_operations; +extern const struct file_operations proc_cpuset_operations; extern char *cpuset_task_status_allowed(struct task_struct *task, char *buffer); extern void cpuset_lock(void); @@ -65,24 +76,29 @@ static inline int cpuset_do_slab_mem_spread(void) extern void cpuset_track_online_nodes(void); +extern int current_cpuset_is_being_rebound(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) {} -static inline void cpuset_exit(struct task_struct *p) {} static inline cpumask_t cpuset_cpus_allowed(struct task_struct *p) { return cpu_possible_map; } +static inline cpumask_t cpuset_cpus_allowed_locked(struct task_struct *p) +{ + return 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) {} #define cpuset_nodes_subset_current_mems_allowed(nodes) (1) @@ -92,12 +108,18 @@ static inline int cpuset_zonelist_valid_mems_allowed(struct zonelist *zl) return 1; } -static inline int cpuset_zone_allowed(struct zone *z, gfp_t gfp_mask) +static inline int cpuset_zone_allowed_softwall(struct zone *z, gfp_t gfp_mask) { return 1; } -static inline int cpuset_excl_nodes_overlap(const struct task_struct *p) +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; } @@ -130,6 +152,11 @@ static inline int cpuset_do_slab_mem_spread(void) static inline void cpuset_track_online_nodes(void) {} +static inline int current_cpuset_is_being_rebound(void) +{ + return 0; +} + #endif /* !CONFIG_CPUSETS */ #endif /* _LINUX_CPUSET_H */