diff options
Diffstat (limited to 'tools/testing/vma/vma_internal.h')
| -rw-r--r-- | tools/testing/vma/vma_internal.h | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/tools/testing/vma/vma_internal.h b/tools/testing/vma/vma_internal.h index 441feb21aa5a..14718ca23a05 100644 --- a/tools/testing/vma/vma_internal.h +++ b/tools/testing/vma/vma_internal.h @@ -159,6 +159,14 @@ typedef __bitwise unsigned int vm_fault_t; #define ASSERT_EXCLUSIVE_WRITER(x) +/** + * swap - swap values of @a and @b + * @a: first value + * @b: second value + */ +#define swap(a, b) \ + do { typeof(a) __tmp = (a); (a) = (b); (b) = __tmp; } while (0) + struct kref { refcount_t refcount; }; @@ -932,6 +940,8 @@ static inline void vma_adjust_trans_huge(struct vm_area_struct *vma, (void)next; } +static inline void hugetlb_split(struct vm_area_struct *, unsigned long) {} + static inline void vma_iter_free(struct vma_iterator *vmi) { mas_destroy(&vmi->mas); @@ -1466,4 +1476,12 @@ static inline void fixup_hugetlb_reservations(struct vm_area_struct *vma) (void)vma; } +static inline void vma_set_file(struct vm_area_struct *vma, struct file *file) +{ + /* Changing an anonymous vma with this is illegal */ + get_file(file); + swap(vma->vm_file, file); + fput(file); +} + #endif /* __MM_VMA_INTERNAL_H */ |