40 static inline size_t chunk_size(const struct gen_pool_chunk *chunk)  in chunk_size()  argument
42 	return chunk->end_addr - chunk->start_addr + 1;  in chunk_size()
187 	struct gen_pool_chunk *chunk;  in gen_pool_add_virt()  local
192 	chunk = vzalloc_node(nbytes, nid);  in gen_pool_add_virt()
193 	if (unlikely(chunk == NULL))  in gen_pool_add_virt()
196 	chunk->phys_addr = phys;  in gen_pool_add_virt()
197 	chunk->start_addr = virt;  in gen_pool_add_virt()
198 	chunk->end_addr = virt + size - 1;  in gen_pool_add_virt()
199 	atomic_long_set(&chunk->avail, size);  in gen_pool_add_virt()
202 	list_add_rcu(&chunk->next_chunk, &pool->chunks);  in gen_pool_add_virt()
218 	struct gen_pool_chunk *chunk;  in gen_pool_virt_to_phys()  local
222 	list_for_each_entry_rcu(chunk, &pool->chunks, next_chunk) {  in gen_pool_virt_to_phys()
223 		if (addr >= chunk->start_addr && addr <= chunk->end_addr) {  in gen_pool_virt_to_phys()
224 			paddr = chunk->phys_addr + (addr - chunk->start_addr);  in gen_pool_virt_to_phys()
244 	struct gen_pool_chunk *chunk;  in gen_pool_destroy()  local
249 		chunk = list_entry(_chunk, struct gen_pool_chunk, next_chunk);  in gen_pool_destroy()
250 		list_del(&chunk->next_chunk);  in gen_pool_destroy()
252 		end_bit = chunk_size(chunk) >> order;  in gen_pool_destroy()
253 		bit = find_next_bit(chunk->bits, end_bit, 0);  in gen_pool_destroy()
256 		vfree(chunk);  in gen_pool_destroy()
275 	struct gen_pool_chunk *chunk;  in gen_pool_alloc()  local
289 	list_for_each_entry_rcu(chunk, &pool->chunks, next_chunk) {  in gen_pool_alloc()
290 		if (size > atomic_long_read(&chunk->avail))  in gen_pool_alloc()
294 		end_bit = chunk_size(chunk) >> order;  in gen_pool_alloc()
296 		start_bit = pool->algo(chunk->bits, end_bit, start_bit, nbits,  in gen_pool_alloc()
300 		remain = bitmap_set_ll(chunk->bits, start_bit, nbits);  in gen_pool_alloc()
302 			remain = bitmap_clear_ll(chunk->bits, start_bit,  in gen_pool_alloc()
308 		addr = chunk->start_addr + ((unsigned long)start_bit << order);  in gen_pool_alloc()
310 		atomic_long_sub(size, &chunk->avail);  in gen_pool_alloc()
359 	struct gen_pool_chunk *chunk;  in gen_pool_free()  local
369 	list_for_each_entry_rcu(chunk, &pool->chunks, next_chunk) {  in gen_pool_free()
370 		if (addr >= chunk->start_addr && addr <= chunk->end_addr) {  in gen_pool_free()
371 			BUG_ON(addr + size - 1 > chunk->end_addr);  in gen_pool_free()
372 			start_bit = (addr - chunk->start_addr) >> order;  in gen_pool_free()
373 			remain = bitmap_clear_ll(chunk->bits, start_bit, nbits);  in gen_pool_free()
376 			atomic_long_add(size, &chunk->avail);  in gen_pool_free()
396 	void (*func)(struct gen_pool *pool, struct gen_pool_chunk *chunk, void *data),  in gen_pool_for_each_chunk()  argument
399 	struct gen_pool_chunk *chunk;  in gen_pool_for_each_chunk()  local
402 	list_for_each_entry_rcu(chunk, &(pool)->chunks, next_chunk)  in gen_pool_for_each_chunk()
403 		func(pool, chunk, data);  in gen_pool_for_each_chunk()
422 	struct gen_pool_chunk *chunk;  in addr_in_gen_pool()  local
425 	list_for_each_entry_rcu(chunk, &(pool)->chunks, next_chunk) {  in addr_in_gen_pool()
426 		if (start >= chunk->start_addr && start <= chunk->end_addr) {  in addr_in_gen_pool()
427 			if (end <= chunk->end_addr) {  in addr_in_gen_pool()
445 	struct gen_pool_chunk *chunk;  in gen_pool_avail()  local
449 	list_for_each_entry_rcu(chunk, &pool->chunks, next_chunk)  in gen_pool_avail()
450 		avail += atomic_long_read(&chunk->avail);  in gen_pool_avail()
464 	struct gen_pool_chunk *chunk;  in gen_pool_size()  local
468 	list_for_each_entry_rcu(chunk, &pool->chunks, next_chunk)  in gen_pool_size()
469 		size += chunk_size(chunk);  in gen_pool_size()