static inline int remap_area_pmd()

in mm/ioremap.c [50:74]

• 23 lines of code
• 6 McCabe index (conditional complexity)

static inline int remap_area_pmd(pmd_t *pmd, unsigned long address,
				unsigned long size, unsigned long phys_addr,
				unsigned long flags)
{
	unsigned long end;

	address &= ~PGDIR_MASK;
	end = address + size;
	if (end > PGDIR_SIZE)
		end = PGDIR_SIZE;
	phys_addr -= address;
	if (address >= end)
		BUG();
	do {
		pte_t *pte = pte_alloc_kernel(pmd, address);

		if (!pte)
			return -ENOMEM;
		remap_area_pte(pte, address, end - address, address + phys_addr,
			flags);
		address = (address + PMD_SIZE) & PMD_MASK;
		pmd++;
	} while (address && (address < end));
	return 0;
}