59 	struct bpf_cpu_map *cmap;  member
85 	struct bpf_cpu_map *cmap;  in cpu_map_alloc()  local
100 	cmap = kzalloc(sizeof(*cmap), GFP_USER);  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 	cost = (u64) cmap->map.max_entries * sizeof(struct bpf_cpu_map_entry *);  in cpu_map_alloc()
116 	ret = bpf_map_charge_init(&cmap->map.memory, cost);  in cpu_map_alloc()
123 	cmap->cpu_map = bpf_map_area_alloc(cmap->map.max_entries *  in cpu_map_alloc()
125 					   cmap->map.numa_node);  in cpu_map_alloc()
126 	if (!cmap->cpu_map)  in cpu_map_alloc()
129 	return &cmap->map;  in cpu_map_alloc()
131 	bpf_map_charge_finish(&cmap->map.memory);  in cpu_map_alloc()
133 	kfree(cmap);  in cpu_map_alloc()
520 static void __cpu_map_entry_replace(struct bpf_cpu_map *cmap,  in __cpu_map_entry_replace()  argument
525 	old_rcpu = xchg(&cmap->cpu_map[key_cpu], rcpu);  in __cpu_map_entry_replace()
535 	struct bpf_cpu_map *cmap = container_of(map, struct bpf_cpu_map, map);  in cpu_map_delete_elem()  local
542 	__cpu_map_entry_replace(cmap, key_cpu, NULL);  in cpu_map_delete_elem()
549 	struct bpf_cpu_map *cmap = container_of(map, struct bpf_cpu_map, map);  in cpu_map_update_elem()  local
559 	if (unlikely(key_cpu >= cmap->map.max_entries))  in cpu_map_update_elem()
577 		rcpu->cmap = cmap;  in cpu_map_update_elem()
580 	__cpu_map_entry_replace(cmap, key_cpu, rcpu);  in cpu_map_update_elem()
587 	struct bpf_cpu_map *cmap = container_of(map, struct bpf_cpu_map, map);  in cpu_map_free()  local
605 	for (i = 0; i < cmap->map.max_entries; i++) {  in cpu_map_free()
608 		rcpu = READ_ONCE(cmap->cpu_map[i]);  in cpu_map_free()
613 		__cpu_map_entry_replace(cmap, i, NULL); /* call_rcu */  in cpu_map_free()
615 	bpf_map_area_free(cmap->cpu_map);  in cpu_map_free()
616 	kfree(cmap);  in cpu_map_free()
621 	struct bpf_cpu_map *cmap = container_of(map, struct bpf_cpu_map, map);  in __cpu_map_lookup_elem()  local
627 	rcpu = READ_ONCE(cmap->cpu_map[key]);  in __cpu_map_lookup_elem()
641 	struct bpf_cpu_map *cmap = container_of(map, struct bpf_cpu_map, map);  in cpu_map_get_next_key()  local
645 	if (index >= cmap->map.max_entries) {  in cpu_map_get_next_key()
650 	if (index == cmap->map.max_entries - 1)  in cpu_map_get_next_key()