#define pud_t pgd_t
-#define pmd_alloc(mm, pud, address) \
-({ pmd_t *ret; \
- if (pgd_none(*pud)) \
- ret = __pmd_alloc(mm, pud, address); \
- else \
- ret = pmd_offset(pud, address); \
- ret; \
-})
+#define pmd_alloc(mm, pud, address) \
+ ((unlikely(pgd_none(*(pud))) && __pmd_alloc(mm, pud, address))? \
+ NULL: pmd_offset(pud, address))
#define pud_alloc(mm, pgd, address) (pgd)
#define pud_offset(pgd, start) (pgd)
#define pud_present(pud) 1
#define pud_ERROR(pud) do { } while (0)
#define pud_clear(pud) pgd_clear(pud)
+#define pud_val(pud) pgd_val(pud)
+#define pud_populate(mm, pud, pmd) pgd_populate(mm, pud, pmd)
+#define pud_page(pud) pgd_page(pud)
+#define pud_page_vaddr(pud) pgd_page_vaddr(pud)
#undef pud_free_tlb
#define pud_free_tlb(tlb, x) do { } while (0)
-#define pud_free(x) do { } while (0)
+#define pud_free(mm, x) do { } while (0)
#define __pud_free_tlb(tlb, x) do { } while (0)
#undef pud_addr_end