80 static bool __check_shared_memory(size_t alloc_size)  in __check_shared_memory()  argument
84 	a = shared_memory_amount + alloc_size;  in __check_shared_memory()
96 static bool check_shared_memory(size_t alloc_size)  in check_shared_memory()  argument
102 	ret = __check_shared_memory(alloc_size);  in check_shared_memory()
109 static bool claim_shared_memory(size_t alloc_size)  in claim_shared_memory()  argument
113 	if (!__check_shared_memory(alloc_size)) {  in claim_shared_memory()
118 	shared_memory_amount += alloc_size;  in claim_shared_memory()
125 static void free_shared_memory(size_t alloc_size)  in free_shared_memory()  argument
131 	if (WARN_ON_ONCE(shared_memory_amount < alloc_size)) {  in free_shared_memory()
137 	shared_memory_amount -= alloc_size;  in free_shared_memory()
142 static void *dm_kvzalloc(size_t alloc_size, int node)  in dm_kvzalloc()  argument
146 	if (!claim_shared_memory(alloc_size))  in dm_kvzalloc()
149 	if (alloc_size <= KMALLOC_MAX_SIZE) {  in dm_kvzalloc()
150 		p = kzalloc_node(alloc_size, GFP_KERNEL | __GFP_NORETRY | __GFP_NOMEMALLOC | __GFP_NOWARN, node);  in dm_kvzalloc()
154 	p = vzalloc_node(alloc_size, node);  in dm_kvzalloc()
158 	free_shared_memory(alloc_size);  in dm_kvzalloc()
163 static void dm_kvfree(void *ptr, size_t alloc_size)  in dm_kvfree()  argument
168 	free_shared_memory(alloc_size);  in dm_kvfree()