+static int map_area_pud(pud_t *pud, unsigned long address,
+ unsigned long end, pgprot_t prot,
+ struct page ***pages)
+{
+ do {
+ pmd_t *pmd = pmd_alloc(&init_mm, pud, address);
+ if (!pmd)
+ return -ENOMEM;
+ if (map_area_pmd(pmd, address, end - address, prot, pages))
+ return -ENOMEM;
+ address = (address + PUD_SIZE) & PUD_MASK;
+ pud++;
+ } while (address && address < end);
+
+ return 0;
+}
+