81 static bool __check_shared_memory(size_t alloc_size)  in __check_shared_memory()  argument
85 	a = shared_memory_amount + alloc_size;  in __check_shared_memory()
97 static bool check_shared_memory(size_t alloc_size)  in check_shared_memory()  argument
103 	ret = __check_shared_memory(alloc_size);  in check_shared_memory()
110 static bool claim_shared_memory(size_t alloc_size)  in claim_shared_memory()  argument
114 	if (!__check_shared_memory(alloc_size)) {  in claim_shared_memory()
119 	shared_memory_amount += alloc_size;  in claim_shared_memory()
126 static void free_shared_memory(size_t alloc_size)  in free_shared_memory()  argument
132 	if (WARN_ON_ONCE(shared_memory_amount < alloc_size)) {  in free_shared_memory()
138 	shared_memory_amount -= alloc_size;  in free_shared_memory()
143 static void *dm_kvzalloc(size_t alloc_size, int node)  in dm_kvzalloc()  argument
147 	if (!claim_shared_memory(alloc_size))  in dm_kvzalloc()
150 	p = kvzalloc_node(alloc_size, GFP_KERNEL | __GFP_NOMEMALLOC, node);  in dm_kvzalloc()
154 	free_shared_memory(alloc_size);  in dm_kvzalloc()
159 static void dm_kvfree(void *ptr, size_t alloc_size)  in dm_kvfree()  argument
164 	free_shared_memory(alloc_size);  in dm_kvfree()