diff options
Diffstat (limited to 'arch/s390/mm/pgtable.c')
| -rw-r--r-- | arch/s390/mm/pgtable.c | 12 |
1 files changed, 7 insertions, 5 deletions
diff --git a/arch/s390/mm/pgtable.c b/arch/s390/mm/pgtable.c index f2cc7da473e4..9ebd01219812 100644 --- a/arch/s390/mm/pgtable.c +++ b/arch/s390/mm/pgtable.c @@ -301,12 +301,13 @@ pte_t ptep_xchg_lazy(struct mm_struct *mm, unsigned long addr, } EXPORT_SYMBOL(ptep_xchg_lazy); -pte_t ptep_modify_prot_start(struct mm_struct *mm, unsigned long addr, +pte_t ptep_modify_prot_start(struct vm_area_struct *vma, unsigned long addr, pte_t *ptep) { pgste_t pgste; pte_t old; int nodat; + struct mm_struct *mm = vma->vm_mm; preempt_disable(); pgste = ptep_xchg_start(mm, addr, ptep); @@ -318,12 +319,12 @@ pte_t ptep_modify_prot_start(struct mm_struct *mm, unsigned long addr, } return old; } -EXPORT_SYMBOL(ptep_modify_prot_start); -void ptep_modify_prot_commit(struct mm_struct *mm, unsigned long addr, - pte_t *ptep, pte_t pte) +void ptep_modify_prot_commit(struct vm_area_struct *vma, unsigned long addr, + pte_t *ptep, pte_t old_pte, pte_t pte) { pgste_t pgste; + struct mm_struct *mm = vma->vm_mm; if (!MACHINE_HAS_NX) pte_val(pte) &= ~_PAGE_NOEXEC; @@ -337,7 +338,6 @@ void ptep_modify_prot_commit(struct mm_struct *mm, unsigned long addr, } preempt_enable(); } -EXPORT_SYMBOL(ptep_modify_prot_commit); static inline void pmdp_idte_local(struct mm_struct *mm, unsigned long addr, pmd_t *pmdp) @@ -410,6 +410,7 @@ static inline pmd_t pmdp_flush_lazy(struct mm_struct *mm, return old; } +#ifdef CONFIG_PGSTE static pmd_t *pmd_alloc_map(struct mm_struct *mm, unsigned long addr) { pgd_t *pgd; @@ -427,6 +428,7 @@ static pmd_t *pmd_alloc_map(struct mm_struct *mm, unsigned long addr) pmd = pmd_alloc(mm, pud, addr); return pmd; } +#endif pmd_t pmdp_xchg_direct(struct mm_struct *mm, unsigned long addr, pmd_t *pmdp, pmd_t new) |