From: "Liam R. Howlett" <Liam.Howlett@xxxxxxxxxx> unuse_mm() no longer needs to reference the linked list. Signed-off-by: Liam R. Howlett <Liam.Howlett@xxxxxxxxxx> Acked-by: Vlastimil Babka <vbabka@xxxxxxx> --- mm/swapfile.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/mm/swapfile.c b/mm/swapfile.c index 263b19e693cf..469d9af86be2 100644 --- a/mm/swapfile.c +++ b/mm/swapfile.c @@ -1994,14 +1994,16 @@ 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); -- 2.35.1