diff mbox series

[v2,18/70] mm/mmap: Drop munmap_vma_range()

Message ID 20210112161240.2024684-19-Liam.Howlett@Oracle.com (mailing list archive)
State New, archived
Headers show
Series RFC mm: Introducing the Maple Tree | expand

Commit Message

Liam R. Howlett Jan. 12, 2021, 4:11 p.m. UTC
Signed-off-by: Liam R. Howlett <Liam.Howlett@Oracle.com>
---
 mm/mmap.c | 23 -----------------------
 1 file changed, 23 deletions(-)
diff mbox series

Patch

diff --git a/mm/mmap.c b/mm/mmap.c
index d3dfea031c0d5..1cef158c31909 100644
--- a/mm/mmap.c
+++ b/mm/mmap.c
@@ -483,29 +483,6 @@  static inline struct vm_area_struct *vma_next(struct mm_struct *mm,
 	return vma->vm_next;
 }
 
-/*
- * munmap_vma_range() - munmap VMAs that overlap a range.
- * @mm: The mm struct
- * @start: The start of the range.
- * @len: The length of the range.
- * @pprev: pointer to the pointer that will be set to previous vm_area_struct
- *
- * Find all the vm_area_struct that overlap from @start to
- * @end and munmap them.  Set @pprev to the previous vm_area_struct.
- *
- * Returns: -ENOMEM on munmap failure or 0 on success.
- */
-static inline int
-munmap_vma_range(struct mm_struct *mm, unsigned long start, unsigned long len,
-		 struct vm_area_struct **pprev, struct list_head *uf)
-{
-	// Needs optimization.
-	while (range_has_overlap(mm, start, start + len, pprev)) {
-		if (do_munmap(mm, start, len, uf))
-			return -ENOMEM;
-	}
-	return 0;
-}
 static unsigned long count_vma_pages_range(struct mm_struct *mm,
 		unsigned long addr, unsigned long end)
 {