Update MIPS to use the 4-level pagetable code thereby getting rid of

the compacrapability headers.

Signed-off-by: Ralf Baechle <ralf@linux-mips.org>

1 files changed, 8 insertions, 2 deletions

diff --git a/arch/mips/mm/fault.c b/arch/mips/mm/fault.c
index ec8077c74e9c..345a4d6ec20f 100644
--- a/arch/mips/mm/fault.c
+++ b/arch/mips/mm/fault.c
@@ -212,6 +212,7 @@ vmalloc_fault:
                  */
                 int offset = __pgd_offset(address);
                 pgd_t *pgd, *pgd_k;
+                pud_t *pud, *pud_k;
                 pmd_t *pmd, *pmd_k;
                 pte_t *pte_k;
 
@@ -222,8 +223,13 @@ vmalloc_fault:
                         goto no_context;
                 set_pgd(pgd, *pgd_k);
 
-                pmd = pmd_offset(pgd, address);
-                pmd_k = pmd_offset(pgd_k, address);
+                pud = pud_offset(pgd, address);
+                pud_k = pud_offset(pgd_k, address);
+                if (!pud_present(*pud_k))
+                        goto no_context;
+
+                pmd = pmd_offset(pud, address);
+                pmd_k = pmd_offset(pud_k, address);
                 if (!pmd_present(*pmd_k))
                         goto no_context;
                 set_pmd(pmd, *pmd_k);