diff options
Diffstat (limited to 'arch/sh/mm/tlbex_32.c')
| -rw-r--r-- | arch/sh/mm/tlbex_32.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/arch/sh/mm/tlbex_32.c b/arch/sh/mm/tlbex_32.c index 382262dc0c4b..7d58578c15f4 100644 --- a/arch/sh/mm/tlbex_32.c +++ b/arch/sh/mm/tlbex_32.c @@ -14,6 +14,7 @@ #include <linux/kdebug.h> #include <asm/mmu_context.h> #include <asm/thread_info.h> +#include <asm/tlb.h> /* * Called with interrupts disabled. @@ -23,6 +24,7 @@ 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 +44,10 @@ 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); |