arch/arm64: Remove mmap linked list from vdso.

Start using the maple tree

Signed-off-by: Liam R. Howlett <Liam.Howlett@Oracle.com>

diff --git a/arch/arm64/kernel/vdso.c b/arch/arm64/kernel/vdso.c
index a61fc4f989b37bfe57f05931926edb03146ab89e..838d8f27687703f2cb97299f6b95946adbf33aaf 100644 (file)
--- a/arch/arm64/kernel/vdso.c
+++ b/arch/arm64/kernel/vdso.c
@@ -136,10 +136,11 @@ int vdso_join_timens(struct task_struct *task, struct time_namespace *ns)
 {
        struct mm_struct *mm = task->mm;
        struct vm_area_struct *vma;
+       MA_STATE(mas, &mm->mm_mt, 0, 0);
 
        mmap_read_lock(mm);
 
-       for (vma = mm->mmap; vma; vma = vma->vm_next) {
+       mas_for_each(&mas, vma, ULONG_MAX) {
                unsigned long size = vma->vm_end - vma->vm_start;
 
                if (vma_is_special_mapping(vma, vdso_info[VDSO_ABI_AA64].dm))