[89/94] arch/um/kernel/tlb: Stop using linked list
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Message ID 20210428153542.2814175-90-Liam.Howlett@Oracle.com
State New, archived
Headers show
Series
  • Introducing the Maple Tree
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Commit Message

Liam Howlett April 28, 2021, 3:36 p.m. UTC
Signed-off-by: Liam R. Howlett <Liam.Howlett@Oracle.com>
---
 arch/um/kernel/tlb.c | 16 ++++++++--------
 1 file changed, 8 insertions(+), 8 deletions(-)

Patch
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diff --git a/arch/um/kernel/tlb.c b/arch/um/kernel/tlb.c
index bc38f79ca3a3..0cbbebad70a0 100644
--- a/arch/um/kernel/tlb.c
+++ b/arch/um/kernel/tlb.c
@@ -584,21 +584,21 @@  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) {
+	/* Must hold mm_mt lock already */
+	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) {
+	/* Must hold mm_mt lock already */
+	mas_for_each(&mas, vma, ULONG_MAX)
 		fix_range(mm, vma->vm_start, vma->vm_end, 1);
-		vma = vma->vm_next;
-	}
 }