[PATCH v2 34/70] arch/um: Use maple tree iterators instead of linked list

From: Liam R. Howlett
Date: Tue Jan 12 2021 - 11:17:13 EST


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 61776790cd678..e40dd6deb1d21 100644
--- a/arch/um/kernel/tlb.c
+++ b/arch/um/kernel/tlb.c
@@ -590,21 +590,19 @@ 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;
+ MA_STATE(mas, &mm->mm_mt, 0, 0);

- while (vma != NULL) {
+ mas_for_each(&mas, vma, ULONG_MAX)
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;
+ MA_STATE(mas, &mm->mm_mt, 0, 0);

- while (vma != NULL) {
+ mas_for_each(&mas, vma, ULONG_MAX)
fix_range(mm, vma->vm_start, vma->vm_end, 1);
- vma = vma->vm_next;
- }
}
--
2.28.0