61 	struct bpf_cpu_map *cmap;  member
87 	struct bpf_cpu_map *cmap;  in cpu_map_alloc()  local
100 	cmap = bpf_map_area_alloc(sizeof(*cmap), NUMA_NO_NODE);  in cpu_map_alloc()
101 	if (!cmap)  in cpu_map_alloc()
104 	bpf_map_init_from_attr(&cmap->map, attr);  in cpu_map_alloc()
107 	if (cmap->map.max_entries > NR_CPUS) {  in cpu_map_alloc()
113 	cmap->cpu_map = bpf_map_area_alloc(cmap->map.max_entries *  in cpu_map_alloc()
115 					   cmap->map.numa_node);  in cpu_map_alloc()
116 	if (!cmap->cpu_map)  in cpu_map_alloc()
119 	return &cmap->map;  in cpu_map_alloc()
121 	bpf_map_area_free(cmap);  in cpu_map_alloc()
531 static void __cpu_map_entry_replace(struct bpf_cpu_map *cmap,  in __cpu_map_entry_replace()  argument
536 	old_rcpu = unrcu_pointer(xchg(&cmap->cpu_map[key_cpu], RCU_INITIALIZER(rcpu)));  in __cpu_map_entry_replace()
546 	struct bpf_cpu_map *cmap = container_of(map, struct bpf_cpu_map, map);  in cpu_map_delete_elem()  local
553 	__cpu_map_entry_replace(cmap, key_cpu, NULL);  in cpu_map_delete_elem()
560 	struct bpf_cpu_map *cmap = container_of(map, struct bpf_cpu_map, map);  in cpu_map_update_elem()  local
570 	if (unlikely(key_cpu >= cmap->map.max_entries))  in cpu_map_update_elem()
588 		rcpu->cmap = cmap;  in cpu_map_update_elem()
591 	__cpu_map_entry_replace(cmap, key_cpu, rcpu);  in cpu_map_update_elem()
598 	struct bpf_cpu_map *cmap = container_of(map, struct bpf_cpu_map, map);  in cpu_map_free()  local
615 	for (i = 0; i < cmap->map.max_entries; i++) {  in cpu_map_free()
618 		rcpu = rcu_dereference_raw(cmap->cpu_map[i]);  in cpu_map_free()
623 		__cpu_map_entry_replace(cmap, i, NULL); /* call_rcu */  in cpu_map_free()
625 	bpf_map_area_free(cmap->cpu_map);  in cpu_map_free()
626 	bpf_map_area_free(cmap);  in cpu_map_free()
635 	struct bpf_cpu_map *cmap = container_of(map, struct bpf_cpu_map, map);  in __cpu_map_lookup_elem()  local
641 	rcpu = rcu_dereference_check(cmap->cpu_map[key],  in __cpu_map_lookup_elem()
656 	struct bpf_cpu_map *cmap = container_of(map, struct bpf_cpu_map, map);  in cpu_map_get_next_key()  local
660 	if (index >= cmap->map.max_entries) {  in cpu_map_get_next_key()
665 	if (index == cmap->map.max_entries - 1)  in cpu_map_get_next_key()