diff options
Diffstat (limited to 'mm/madvise.c')
| -rw-r--r-- | mm/madvise.c | 7 |
1 files changed, 2 insertions, 5 deletions
diff --git a/mm/madvise.c b/mm/madvise.c index b913ba6efc10..83b0c91a126b 100644 --- a/mm/madvise.c +++ b/mm/madvise.c @@ -95,9 +95,6 @@ struct anon_vma_name *anon_vma_name(struct vm_area_struct *vma) { mmap_assert_locked(vma->vm_mm); - if (vma->vm_file) - return NULL; - return vma->anon_name; } @@ -183,7 +180,7 @@ success: * vm_flags is protected by the mmap_lock held in write mode. */ vma->vm_flags = new_flags; - if (!vma->vm_file) { + if (!vma->vm_file || vma_is_anon_shmem(vma)) { error = replace_anon_vma_name(vma, anon_name); if (error) return error; @@ -1273,7 +1270,7 @@ static int madvise_vma_anon_name(struct vm_area_struct *vma, int error; /* Only anonymous mappings can be named */ - if (vma->vm_file) + if (vma->vm_file && !vma_is_anon_shmem(vma)) return -EBADF; error = madvise_update_vma(vma, prev, start, end, vma->vm_flags, |