diff mbox series

[v13,39/70] um: remove vma linked list walk

Message ID 20220822150128.1562046-40-Liam.Howlett@oracle.com (mailing list archive)
State New
Headers show
Series Introducing the Maple Tree | expand

Commit Message

Liam R. Howlett Aug. 22, 2022, 3:06 p.m. UTC 
From: "Matthew Wilcox (Oracle)" <willy@infradead.org>

Use the VMA iterator instead.

Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Signed-off-by: Liam R. Howlett <Liam.Howlett@Oracle.com>
---
 arch/um/kernel/tlb.c | 14 ++++++--------
 1 file changed, 6 insertions(+), 8 deletions(-)

Comments

Davidlohr Bueso Aug. 23, 2022, 6 p.m. UTC | #1 
On Mon, 22 Aug 2022, Liam Howlett wrote:

>From: "Matthew Wilcox (Oracle)" <willy@infradead.org>
>
>Use the VMA iterator instead.
>
>Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
>Signed-off-by: Liam R. Howlett <Liam.Howlett@Oracle.com>

Reviewed-by: Davidlohr Bueso <dave@stgolabs.net>
diff mbox series

Patch

diff --git a/arch/um/kernel/tlb.c b/arch/um/kernel/tlb.c
index bc38f79ca3a3..ad449173a1a1 100644
--- a/arch/um/kernel/tlb.c
+++ b/arch/um/kernel/tlb.c
@@ -584,21 +584,19 @@  void flush_tlb_mm_range(struct mm_struct *mm, unsigned long start,
 
 void flush_tlb_mm(struct mm_struct *mm)
 {
-	struct vm_area_struct *vma = mm->mmap;
+	struct vm_area_struct *vma;
+	VMA_ITERATOR(vmi, mm, 0);
 
-	while (vma != NULL) {
+	for_each_vma(vmi, vma)
 		fix_range(mm, vma->vm_start, vma->vm_end, 0);
-		vma = vma->vm_next;
-	}
 }
 
 void force_flush_all(void)
 {
 	struct mm_struct *mm = current->mm;
-	struct vm_area_struct *vma = mm->mmap;
+	struct vm_area_struct *vma;
+	VMA_ITERATOR(vmi, mm, 0);
 
-	while (vma != NULL) {
+	for_each_vma(vmi, vma)
 		fix_range(mm, vma->vm_start, vma->vm_end, 1);
-		vma = vma->vm_next;
-	}
 }