+static inline int remap_area_pud(pud_t * pud, 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 {
+ pmd_t * pmd = pmd_alloc(&init_mm, pud, address);
+ if (!pmd)
+ return -ENOMEM;
+ remap_area_pmd(pmd, address, end - address, address + phys_addr, flags);
+ address = (address + PUD_SIZE) & PUD_MASK;
+ pud++;
+ } while (address && (address < end));
+ return 0;
+}
+