diff options
Diffstat (limited to '')
| -rw-r--r-- | arch/m68k/include/asm/mmu_context.h | 12 |
1 files changed, 11 insertions, 1 deletions
diff --git a/arch/m68k/include/asm/mmu_context.h b/arch/m68k/include/asm/mmu_context.h index f5b1852b4663..cac9f289d1f6 100644 --- a/arch/m68k/include/asm/mmu_context.h +++ b/arch/m68k/include/asm/mmu_context.h @@ -100,6 +100,8 @@ static inline void load_ksp_mmu(struct task_struct *task) struct mm_struct *mm; int asid; pgd_t *pgd; + p4d_t *p4d; + pud_t *pud; pmd_t *pmd; pte_t *pte; unsigned long mmuar; @@ -127,7 +129,15 @@ static inline void load_ksp_mmu(struct task_struct *task) if (pgd_none(*pgd)) goto bug; - pmd = pmd_offset(pgd, mmuar); + p4d = p4d_offset(pgd, mmuar); + if (p4d_none(*p4d)) + goto bug; + + pud = pud_offset(p4d, mmuar); + if (pud_none(*pud)) + goto bug; + + pmd = pmd_offset(pud, mmuar); if (pmd_none(*pmd)) goto bug; |