mmap locking API: add mmap_assert_locked() and mmap_assert_write_locked()

[linux-2.6-block.git] / mm / pagewalk.c

diff --git a/mm/pagewalk.c b/mm/pagewalk.c
index 928df1638c30d124d500dfa024a7ba61c1b9d4bf..3b452aa05cd08c10490d49a0887702fc4d520a00 100644 (file)
--- a/mm/pagewalk.c
+++ b/mm/pagewalk.c
@@ -395,7 +395,7 @@ int walk_page_range(struct mm_struct *mm, unsigned long start,
        if (!walk.mm)
                return -EINVAL;
 
-       lockdep_assert_held(&walk.mm->mmap_sem);
+       mmap_assert_locked(walk.mm);
 
        vma = find_vma(walk.mm, start);
        do {
@@ -453,7 +453,7 @@ int walk_page_range_novma(struct mm_struct *mm, unsigned long start,
        if (start >= end || !walk.mm)
                return -EINVAL;
 
-       lockdep_assert_held(&walk.mm->mmap_sem);
+       mmap_assert_locked(walk.mm);
 
        return __walk_page_range(start, end, &walk);
 }
@@ -472,7 +472,7 @@ int walk_page_vma(struct vm_area_struct *vma, const struct mm_walk_ops *ops,
        if (!walk.mm)
                return -EINVAL;
 
-       lockdep_assert_held(&walk.mm->mmap_sem);
+       mmap_assert_locked(walk.mm);
 
        err = walk_page_test(vma->vm_start, vma->vm_end, &walk);
        if (err > 0)