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authorRalf Baechle <ralf@linux-mips.org>2005-02-10 15:19:59 +0300
committerRalf Baechle <ralf@linux-mips.org>2005-10-29 22:30:31 +0400
commitc6e8b587718c486b55c2ebecc6de231a30beba35 (patch)
tree7c6162d449c69fb6425bd27ba341e2d874fb0a1b /arch/mips/mm/fault.c
parent57f0060b8a2bb2a70a4cce1a37d5e0158cea92a6 (diff)
downloadlinux-c6e8b587718c486b55c2ebecc6de231a30beba35.tar.xz
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>
Diffstat (limited to 'arch/mips/mm/fault.c')
-rw-r--r--arch/mips/mm/fault.c10
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);