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

From: Liam Howlett
Date: Mon Aug 22 2022 - 11:09:51 EST


From: "Matthew Wilcox (Oracle)" <willy@xxxxxxxxxxxxx>

Use the VMA iterator instead.

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

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;
- }
}
--
2.35.1