[PATCH 18/28] mm/mmap: Drop munmap_vma_range()
From: Liam R. Howlett
Date: Thu Dec 10 2020 - 12:08:09 EST
Signed-off-by: Liam R. Howlett <Liam.Howlett@xxxxxxxxxx>
---
mm/mmap.c | 23 -----------------------
1 file changed, 23 deletions(-)
diff --git a/mm/mmap.c b/mm/mmap.c
index f94a5c17252f2..d7a7d01f696c1 100644
--- a/mm/mmap.c
+++ b/mm/mmap.c
@@ -475,29 +475,6 @@ 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)
{
--
2.28.0