DEVM_KZALLOC(9) Driver Basics DEVM_KZALLOC(9)NAMEdevm_kzalloc - Resource-managed kzallocSYNOPSISvoid * devm_kzalloc(struct device * dev, size_t size, gfp_t gfp);ARGUMENTSdev Device to allocate memory for size Allocation size gfp Allocation gfp flagsDESCRIPTIONManaged kzalloc. Memory allocated with this function is automatically freed on driver detach. Like all other devres resources, guaranteed alignment is unsigned long long.RETURNSPointer to allocated memory on success, NULL on failure.COPYRIGHTKernel Hackers Manual 3.10 June 2014 DEVM_KZALLOC(9)