diff mbox series

[v3,33/48] madvise: Use split_vma() instead of __split_vma()

Message ID 20230117023335.1690727-34-Liam.Howlett@oracle.com (mailing list archive)
State New
Headers show
Series VMA tree type safety and remove __vma_adjust() | expand

Commit Message

Liam R. Howlett Jan. 17, 2023, 2:34 a.m. UTC 
From: "Liam R. Howlett" <Liam.Howlett@Oracle.com>

The split_vma() wrapper is specifically for this use case, so use it.

Signed-off-by: Liam R. Howlett <Liam.Howlett@oracle.com>
---
 mm/madvise.c | 8 ++------
 1 file changed, 2 insertions(+), 6 deletions(-)
diff mbox series

Patch

diff --git a/mm/madvise.c b/mm/madvise.c
index 4115516f58dd..86f9ad95f0fa 100644
--- a/mm/madvise.c
+++ b/mm/madvise.c
@@ -161,17 +161,13 @@  static int madvise_update_vma(struct vm_area_struct *vma,
 	*prev = vma;
 
 	if (start != vma->vm_start) {
-		if (unlikely(mm->map_count >= sysctl_max_map_count))
-			return -ENOMEM;
-		error = __split_vma(&vmi, vma, start, 1);
+		error = split_vma(&vmi, vma, start, 1);
 		if (error)
 			return error;
 	}
 
 	if (end != vma->vm_end) {
-		if (unlikely(mm->map_count >= sysctl_max_map_count))
-			return -ENOMEM;
-		error = __split_vma(&vmi, vma, end, 0);
+		error = split_vma(&vmi, vma, end, 0);
 		if (error)
 			return error;
 	}