[PATCH v3 46/66] arch/um/kernel/tlb: Stop using linked list
From: Liam Howlett <hidden>
Date: 2021-10-05 01:32:35
Also in:
lkml
Subsystem:
the rest, user-mode linux (uml) · Maintainers:
Linus Torvalds, Richard Weinberger, Anton Ivanov, Johannes Berg
From: "Liam R. Howlett" <redacted> Signed-off-by: Liam R. Howlett <redacted> --- arch/um/kernel/tlb.c | 16 ++++++++-------- 1 file changed, 8 insertions(+), 8 deletions(-)
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; - } }
--
2.30.2