mm/swapfile: Use vma iterator instead of vma linked list

unuse_mm() no longer needs to reference the linked list. Signed-off-by: Liam R. Howlett <Liam.Howlett@Oracle.com> Acked-by: Vlastimil Babka <vbabka@suse.cz>
mariux64 · Feb 20, 2022 · 88186c9 · 88186c9
1 parent e9036a3
commit 88186c9
Showing 1 changed file with 3 additions and 1 deletion.
diff --git a/mm/swapfile.c b/mm/swapfile.c
@@ -2071,14 +2071,16 @@ static int unuse_mm(struct mm_struct *mm, unsigned int type)
 {
 	struct vm_area_struct *vma;
 	int ret = 0;
+	VMA_ITERATOR(vmi, mm, 0);
 
 	mmap_read_lock(mm);
-	for (vma = mm->mmap; vma; vma = vma->vm_next) {
+	for_each_vma(vmi, vma) {
 		if (vma->anon_vma) {
 			ret = unuse_vma(vma, type);
 			if (ret)
 				break;
 		}
+
 		cond_resched();
 	}
 	mmap_read_unlock(mm);