Commit 64ac4940 authored by Huang Shijie's avatar Huang Shijie Committed by Linus Torvalds
Browse files

mm/mmap.c: remove the first mapping check

Remove the first mapping check for vma_link.  Move the mutex_lock into the
braces when vma->vm_file is true.
Signed-off-by: default avatarHuang Shijie <>
Signed-off-by: default avatarAndrew Morton <>
Signed-off-by: default avatarLinus Torvalds <>
parent 2329d375
......@@ -640,11 +640,10 @@ static void vma_link(struct mm_struct *mm, struct vm_area_struct *vma,
struct address_space *mapping = NULL;
if (vma->vm_file)
if (vma->vm_file) {
mapping = vma->vm_file->f_mapping;
if (mapping)
__vma_link(mm, vma, prev, rb_link, rb_parent);
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