mm/mmap: Convert __insert_vm_struct to use mas, convert vma_link to use vma_mas_link()

Drop unused vma_store()

Signed-off-by: Liam R. Howlett <Liam.Howlett@Oracle.com>

diff --git a/mm/mmap.c b/mm/mmap.c
index 11eed8717082e62bfef1aff93a1e65ae635d5089..98609612c47eddf1f07a6d1fe30e1b5d795646cc 100644 (file)
--- a/mm/mmap.c
+++ b/mm/mmap.c
@@ -523,21 +523,9 @@ static void vma_mas_link(struct mm_struct *mm, struct vm_area_struct *vma,
 
 static void vma_link(struct mm_struct *mm, struct vm_area_struct *vma)
 {
-       struct address_space *mapping = NULL;
-
-       if (vma->vm_file) {
-               mapping = vma->vm_file->f_mapping;
-               i_mmap_lock_write(mapping);
-       }
-
-       vma_mt_store(mm, vma);
-       __vma_link_file(vma);
+       MA_STATE(mas, &mm->mm_mt, vma->vm_start, vma->vm_end - 1);
 
-       if (mapping)
-               i_mmap_unlock_write(mapping);
-
-       mm->map_count++;
-       validate_mm(mm);
+       vma_mas_link(mm, vma, &mas);
 }
 
 /*
@@ -547,8 +535,12 @@ static void vma_link(struct mm_struct *mm, struct vm_area_struct *vma)
 static inline void __insert_vm_struct(struct mm_struct *mm,
                                      struct vm_area_struct *vma)
 {
-       BUG_ON(find_vma_intersection(mm, vma->vm_start, vma->vm_end));
-       vma_mt_store(mm, vma);
+       MA_STATE(mas, &mm->mm_mt, vma->vm_start, vma->vm_end - 1);
+
+       BUG_ON(mas_find(&mas, vma->vm_end - 1));
+
+       mas_set_range(&mas, vma->vm_start, vma->vm_end - 1);
+       vma_mas_store(vma, &mas);
        mm->map_count++;
 }