Undoing the anon vma work is no necessary since it will be handled by
the caller in the freeing of the VMA, or in the OOM that is happening.
Fixes: d8bb385648a5 (mm/mmap: use advanced maple tree API for mmap_region())
Suggested-by:Hugh Dickins <hughd@xxxxxxxxxx>
Signed-off-by: Liam R. Howlett <Liam.Howlett@xxxxxxxxxx>
---
mm/mmap.c | 4 ----
1 file changed, 4 deletions(-)
diff --git a/mm/mmap.c b/mm/mmap.c
index 139862557cc1..7440f250581d 100644
--- a/mm/mmap.c
+++ b/mm/mmap.c
@@ -670,7 +670,6 @@ inline int vma_expand(struct ma_state *mas, struct vm_area_struct *vma,
struct anon_vma *anon_vma = vma->anon_vma;
struct file *file = vma->vm_file;
bool remove_next = false;
- bool anon_cloned = false;
if (next && (vma != next) && (end == next->vm_end)) {
remove_next = true;
@@ -682,7 +681,6 @@ inline int vma_expand(struct ma_state *mas, struct vm_area_struct *vma,
error = anon_vma_clone(vma, next);
if (error)
return error;
- anon_cloned = true;
}
}
@@ -765,8 +763,6 @@ inline int vma_expand(struct ma_state *mas, struct vm_area_struct *vma,
return 0;
nomem:
- if (anon_cloned)
- unlink_anon_vmas(vma);
return -ENOMEM;
}
--
2.35.1
