1 /* SPDX-License-Identifier: GPL-2.0-or-later */
83 	 * The user-configured masks can only be changed by writing to
97 	 * The user-configured masks are always the same with effective masks.
100 	/* user-configured CPUs and Memory Nodes allow to tasks */
113 	 * to sub-partitions below & hence excluded from its effective_cpus.
139 	 * - top_cpuset.old_mems_allowed is initialized to mems_allowed.
140 	 * - A new cpuset's old_mems_allowed is initialized when some
142 	 * - old_mems_allowed is used in cpuset_migrate_mm() when we change
152 	 * zeroing cpus/mems_allowed between ->can_attach() and ->attach().
159 	/* number of valid local child partitions */
166 	 * number of SCHED_DEADLINE tasks attached to this cpuset, so that we
197 static inline struct cpuset *parent_cs(struct cpuset *cs)  in parent_cs()  argument
199 	return css_cs(cs->css.parent);  in parent_cs()
203 static inline bool is_cpuset_online(struct cpuset *cs)  in is_cpuset_online()  argument
205 	return test_bit(CS_ONLINE, &cs->flags) && !css_is_dying(&cs->css);  in is_cpuset_online()
208 static inline int is_cpu_exclusive(const struct cpuset *cs)  in is_cpu_exclusive()  argument
210 	return test_bit(CS_CPU_EXCLUSIVE, &cs->flags);  in is_cpu_exclusive()
213 static inline int is_mem_exclusive(const struct cpuset *cs)  in is_mem_exclusive()  argument
215 	return test_bit(CS_MEM_EXCLUSIVE, &cs->flags);  in is_mem_exclusive()
218 static inline int is_mem_hardwall(const struct cpuset *cs)  in is_mem_hardwall()  argument
220 	return test_bit(CS_MEM_HARDWALL, &cs->flags);  in is_mem_hardwall()
223 static inline int is_sched_load_balance(const struct cpuset *cs)  in is_sched_load_balance()  argument
225 	return test_bit(CS_SCHED_LOAD_BALANCE, &cs->flags);  in is_sched_load_balance()
228 static inline int is_memory_migrate(const struct cpuset *cs)  in is_memory_migrate()  argument
230 	return test_bit(CS_MEMORY_MIGRATE, &cs->flags);  in is_memory_migrate()
233 static inline int is_spread_page(const struct cpuset *cs)  in is_spread_page()  argument
235 	return test_bit(CS_SPREAD_PAGE, &cs->flags);  in is_spread_page()
238 static inline int is_spread_slab(const struct cpuset *cs)  in is_spread_slab()  argument
240 	return test_bit(CS_SPREAD_SLAB, &cs->flags);  in is_spread_slab()
244  * cpuset_for_each_child - traverse online children of a cpuset
253 	css_for_each_child((pos_css), &(parent_cs)->css)		\
257  * cpuset_for_each_descendant_pre - pre-order walk of a cpuset's descendants
268 	css_for_each_descendant_pre((pos_css), &(root_cs)->css)		\
274 void cpuset_update_tasks_cpumask(struct cpuset *cs, struct cpumask *new_cpus);
275 void cpuset_update_tasks_nodemask(struct cpuset *cs);
276 int cpuset_update_flag(cpuset_flagbits_t bit, struct cpuset *cs, int turning_on);
282  * cpuset-v1.c
287 void cpuset1_update_task_spread_flags(struct cpuset *cs,
289 void cpuset1_update_tasks_flags(struct cpuset *cs);
290 void cpuset1_hotplug_update_tasks(struct cpuset *cs,
296 static inline void cpuset1_update_task_spread_flags(struct cpuset *cs,  in cpuset1_update_task_spread_flags()  argument
298 static inline void cpuset1_update_tasks_flags(struct cpuset *cs) {}  in cpuset1_update_tasks_flags()  argument
299 static inline void cpuset1_hotplug_update_tasks(struct cpuset *cs,  in cpuset1_hotplug_update_tasks()  argument