Commit 7aa6b4ad authored by Davidlohr Bueso's avatar Davidlohr Bueso Committed by Linus Torvalds

mm/memory.c: update comment in unmap_single_vma()

The described issue now occurs inside mmap_region().  And unfortunately
is still valid.
Signed-off-by: default avatarDavidlohr Bueso <>
Signed-off-by: default avatarAndrew Morton <>
Signed-off-by: default avatarLinus Torvalds <>
parent 9bbc04ee
......@@ -1320,9 +1320,9 @@ static void unmap_single_vma(struct mmu_gather *tlb,
* It is undesirable to test vma->vm_file as it
* should be non-null for valid hugetlb area.
* However, vm_file will be NULL in the error
* cleanup path of do_mmap_pgoff. When
* cleanup path of mmap_region. When
* hugetlbfs ->mmap method fails,
* do_mmap_pgoff() nullifies vma->vm_file
* mmap_region() nullifies vma->vm_file
* before calling this function to clean up.
* Since no pte has actually been setup, it is
* safe to do nothing in this case.
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