diff options
-rw-r--r-- | include/linux/hugetlb.h | 4 | ||||
-rw-r--r-- | mm/hugetlb.c | 5 | ||||
-rw-r--r-- | mm/memory.c | 2 |
3 files changed, 6 insertions, 5 deletions
diff --git a/include/linux/hugetlb.h b/include/linux/hugetlb.h index ea0f50bfbe03..e22368656b38 100644 --- a/include/linux/hugetlb.h +++ b/include/linux/hugetlb.h | |||
@@ -19,7 +19,7 @@ static inline int is_vm_hugetlb_page(struct vm_area_struct *vma) | |||
19 | int hugetlb_sysctl_handler(struct ctl_table *, int, struct file *, void __user *, size_t *, loff_t *); | 19 | int hugetlb_sysctl_handler(struct ctl_table *, int, struct file *, void __user *, size_t *, loff_t *); |
20 | int hugetlb_treat_movable_handler(struct ctl_table *, int, struct file *, void __user *, size_t *, loff_t *); | 20 | int hugetlb_treat_movable_handler(struct ctl_table *, int, struct file *, void __user *, size_t *, loff_t *); |
21 | int copy_hugetlb_page_range(struct mm_struct *, struct mm_struct *, struct vm_area_struct *); | 21 | int copy_hugetlb_page_range(struct mm_struct *, struct mm_struct *, struct vm_area_struct *); |
22 | int follow_hugetlb_page(struct mm_struct *, struct vm_area_struct *, struct page **, struct vm_area_struct **, unsigned long *, int *, int); | 22 | int follow_hugetlb_page(struct mm_struct *, struct vm_area_struct *, struct page **, struct vm_area_struct **, unsigned long *, int *, int, int); |
23 | void unmap_hugepage_range(struct vm_area_struct *, unsigned long, unsigned long); | 23 | void unmap_hugepage_range(struct vm_area_struct *, unsigned long, unsigned long); |
24 | void __unmap_hugepage_range(struct vm_area_struct *, unsigned long, unsigned long); | 24 | void __unmap_hugepage_range(struct vm_area_struct *, unsigned long, unsigned long); |
25 | int hugetlb_prefault(struct address_space *, struct vm_area_struct *); | 25 | int hugetlb_prefault(struct address_space *, struct vm_area_struct *); |
@@ -106,7 +106,7 @@ static inline unsigned long hugetlb_total_pages(void) | |||
106 | return 0; | 106 | return 0; |
107 | } | 107 | } |
108 | 108 | ||
109 | #define follow_hugetlb_page(m,v,p,vs,a,b,i) ({ BUG(); 0; }) | 109 | #define follow_hugetlb_page(m,v,p,vs,a,b,i,w) ({ BUG(); 0; }) |
110 | #define follow_huge_addr(mm, addr, write) ERR_PTR(-EINVAL) | 110 | #define follow_huge_addr(mm, addr, write) ERR_PTR(-EINVAL) |
111 | #define copy_hugetlb_page_range(src, dst, vma) ({ BUG(); 0; }) | 111 | #define copy_hugetlb_page_range(src, dst, vma) ({ BUG(); 0; }) |
112 | #define hugetlb_prefault(mapping, vma) ({ BUG(); 0; }) | 112 | #define hugetlb_prefault(mapping, vma) ({ BUG(); 0; }) |
diff --git a/mm/hugetlb.c b/mm/hugetlb.c index 8b809ecefa39..e2c80631d36a 100644 --- a/mm/hugetlb.c +++ b/mm/hugetlb.c | |||
@@ -868,7 +868,8 @@ int hugetlb_fault(struct mm_struct *mm, struct vm_area_struct *vma, | |||
868 | 868 | ||
869 | int follow_hugetlb_page(struct mm_struct *mm, struct vm_area_struct *vma, | 869 | int follow_hugetlb_page(struct mm_struct *mm, struct vm_area_struct *vma, |
870 | struct page **pages, struct vm_area_struct **vmas, | 870 | struct page **pages, struct vm_area_struct **vmas, |
871 | unsigned long *position, int *length, int i) | 871 | unsigned long *position, int *length, int i, |
872 | int write) | ||
872 | { | 873 | { |
873 | unsigned long pfn_offset; | 874 | unsigned long pfn_offset; |
874 | unsigned long vaddr = *position; | 875 | unsigned long vaddr = *position; |
@@ -890,7 +891,7 @@ int follow_hugetlb_page(struct mm_struct *mm, struct vm_area_struct *vma, | |||
890 | int ret; | 891 | int ret; |
891 | 892 | ||
892 | spin_unlock(&mm->page_table_lock); | 893 | spin_unlock(&mm->page_table_lock); |
893 | ret = hugetlb_fault(mm, vma, vaddr, 0); | 894 | ret = hugetlb_fault(mm, vma, vaddr, write); |
894 | spin_lock(&mm->page_table_lock); | 895 | spin_lock(&mm->page_table_lock); |
895 | if (!(ret & VM_FAULT_ERROR)) | 896 | if (!(ret & VM_FAULT_ERROR)) |
896 | continue; | 897 | continue; |
diff --git a/mm/memory.c b/mm/memory.c index 9791e4786843..7b0403bfc97f 100644 --- a/mm/memory.c +++ b/mm/memory.c | |||
@@ -1036,7 +1036,7 @@ int get_user_pages(struct task_struct *tsk, struct mm_struct *mm, | |||
1036 | 1036 | ||
1037 | if (is_vm_hugetlb_page(vma)) { | 1037 | if (is_vm_hugetlb_page(vma)) { |
1038 | i = follow_hugetlb_page(mm, vma, pages, vmas, | 1038 | i = follow_hugetlb_page(mm, vma, pages, vmas, |
1039 | &start, &len, i); | 1039 | &start, &len, i, write); |
1040 | continue; | 1040 | continue; |
1041 | } | 1041 | } |
1042 | 1042 | ||