diff options
Diffstat (limited to 'arch/s390/include/asm/hugetlb.h')
| -rw-r--r-- | arch/s390/include/asm/hugetlb.h | 19 |
1 files changed, 5 insertions, 14 deletions
diff --git a/arch/s390/include/asm/hugetlb.h b/arch/s390/include/asm/hugetlb.h index 5ef1b5778fc7..663e87220e89 100644 --- a/arch/s390/include/asm/hugetlb.h +++ b/arch/s390/include/asm/hugetlb.h @@ -20,9 +20,10 @@ void set_huge_pte_at(struct mm_struct *mm, unsigned long addr, pte_t *ptep, pte_t pte, unsigned long sz); void __set_huge_pte_at(struct mm_struct *mm, unsigned long addr, - pte_t *ptep, pte_t pte); + pte_t *ptep, pte_t pte); + #define __HAVE_ARCH_HUGE_PTEP_GET -extern pte_t huge_ptep_get(struct mm_struct *mm, unsigned long addr, pte_t *ptep); +pte_t huge_ptep_get(struct mm_struct *mm, unsigned long addr, pte_t *ptep); pte_t __huge_ptep_get_and_clear(struct mm_struct *mm, unsigned long addr, pte_t *ptep); @@ -64,6 +65,7 @@ static inline int huge_ptep_set_access_flags(struct vm_area_struct *vma, pte_t pte, int dirty) { int changed = !pte_same(huge_ptep_get(vma->vm_mm, addr, ptep), pte); + if (changed) { __huge_ptep_get_and_clear(vma->vm_mm, addr, ptep); __set_huge_pte_at(vma->vm_mm, addr, ptep, pte); @@ -76,19 +78,8 @@ static inline void huge_ptep_set_wrprotect(struct mm_struct *mm, unsigned long addr, pte_t *ptep) { pte_t pte = __huge_ptep_get_and_clear(mm, addr, ptep); - __set_huge_pte_at(mm, addr, ptep, pte_wrprotect(pte)); -} -#define __HAVE_ARCH_HUGE_PTE_NONE -static inline int huge_pte_none(pte_t pte) -{ - return pte_none(pte); -} - -#define __HAVE_ARCH_HUGE_PTE_NONE_MOSTLY -static inline int huge_pte_none_mostly(pte_t pte) -{ - return huge_pte_none(pte) || is_pte_marker(pte); + __set_huge_pte_at(mm, addr, ptep, pte_wrprotect(pte)); } #define __HAVE_ARCH_HUGE_PTE_MKUFFD_WP |