static int dax_kmem_range()

in kmem.c [22:36]

• 13 lines of code
• 2 McCabe index (conditional complexity)

static int dax_kmem_range(struct dev_dax *dev_dax, int i, struct range *r)
{
	struct dev_dax_range *dax_range = &dev_dax->ranges[i];
	struct range *range = &dax_range->range;

	/* memory-block align the hotplug range */
	r->start = ALIGN(range->start, memory_block_size_bytes());
	r->end = ALIGN_DOWN(range->end + 1, memory_block_size_bytes()) - 1;
	if (r->start >= r->end) {
		r->start = range->start;
		r->end = range->end;
		return -ENOSPC;
	}
	return 0;
}