DEVM_KZALLOC(9) Driver Basics DEVM_KZALLOC(9)
NAME devm_kzalloc - Resource-managed kzalloc
SYNOPSIS void * devm_kzalloc(struct device * dev, size_t size, gfp_t gfp);
ARGUMENTS dev Device to allocate memory for
size Allocation size
gfp Allocation gfp flags
DESCRIPTION Managed kzalloc. Memory allocated with this function is automatically freed on driver detach. Like all other devres resources, guaranteed alignment is unsigned long long.
RETURNS Pointer to allocated memory on success, NULL on failure.
COPYRIGHT Kernel Hackers Manual 2.6. July 2015 DEVM_KZALLOC(9)