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Diffstat (limited to 'arch/sh/mm/tlbex_32.c')
-rw-r--r--arch/sh/mm/tlbex_32.c6
1 files changed, 5 insertions, 1 deletions
diff --git a/arch/sh/mm/tlbex_32.c b/arch/sh/mm/tlbex_32.c
index 382262dc0c4b..1c53868632ee 100644
--- a/arch/sh/mm/tlbex_32.c
+++ b/arch/sh/mm/tlbex_32.c
@@ -23,6 +23,7 @@ handle_tlbmiss(struct pt_regs *regs, unsigned long error_code,
unsigned long address)
{
pgd_t *pgd;
+ p4d_t *p4d;
pud_t *pud;
pmd_t *pmd;
pte_t *pte;
@@ -42,7 +43,10 @@ handle_tlbmiss(struct pt_regs *regs, unsigned long error_code,
pgd = pgd_offset(current->mm, address);
}
- pud = pud_offset(pgd, address);
+ p4d = p4d_offset(pgd, address);
+ if (p4d_none_or_clear_bad(p4d))
+ return 1;
+ pud = pud_offset(p4d, address);
if (pud_none_or_clear_bad(pud))
return 1;
pmd = pmd_offset(pud, address);