[PATCH v4 36/66] um: Remove vma linked list walk
From: Liam Howlett <hidden>
Date: 2021-12-01 14:38:34
Also in:
lkml
Subsystem:
the rest, user-mode linux (uml) · Maintainers:
Linus Torvalds, Richard Weinberger, Anton Ivanov, Johannes Berg
From: "Liam R. Howlett" <redacted> Use the VMA iterator instead. Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org> Signed-off-by: Liam R. Howlett <redacted> --- 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..25f043037d76 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; + 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; - } }
--
2.30.2