From fda2a066f436bb6ccb7b04496f1f82c4a8a7a03c Mon Sep 17 00:00:00 2001 From: "Liam R. Howlett" Date: Wed, 13 Apr 2022 23:07:23 -0700 Subject: [PATCH] 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 Acked-by: Vlastimil Babka --- mm/swapfile.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/mm/swapfile.c b/mm/swapfile.c index 63c61f8b2611..392bfffc30c9 100644 --- a/mm/swapfile.c +++ b/mm/swapfile.c @@ -1968,14 +1968,16 @@ 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); -- 2.50.1