arm64: remove mmap linked list from vdso

Use the VMA iterator instead. Link: https://lkml.kernel.org/r/[email protected] Signed-off-by: Matthew Wilcox (Oracle) <[email protected]> Signed-off-by: Liam R. Howlett <[email protected]> Acked-by: Vlastimil Babka <[email protected]> Reviewed-by: Davidlohr Bueso <[email protected]> Tested-by: Yu Zhao <[email protected]> Cc: Catalin Marinas <[email protected]> Cc: David Hildenbrand <[email protected]> Cc: David Howells <[email protected]> Cc: SeongJae Park <[email protected]> Cc: Sven Schnelle <[email protected]> Cc: Will Deacon <[email protected]> Signed-off-by: Andrew Morton <[email protected]>
kawasaki · Sep 27, 2022 · de2b84d · de2b84d
1 parent 67e7c16
commit de2b84d
Showing 1 changed file with 2 additions and 1 deletion.
diff --git 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;
+	VMA_ITERATOR(vmi, mm, 0);
 
 	mmap_read_lock(mm);
 
-	for (vma = mm->mmap; vma; vma = vma->vm_next) {
+	for_each_vma(vmi, vma) {
 		unsigned long size = vma->vm_end - vma->vm_start;
 
 		if (vma_is_special_mapping(vma, vdso_info[VDSO_ABI_AA64].dm))