On Tue, Jul 09, 2024 at 12:10:50PM +0800, Zhiguo Jiang wrote: > + if ((!atomic_read(&vma->vm_mm->mm_users) || > + check_stable_address_space(vma->vm_mm)) && > + folio_test_swapbacked(folio) && > + !folio_likely_mapped_shared(folio)) { > + pra->referenced = -1; > + page_vma_mapped_walk_done(&pvmw); > + return false; > + } You told me you'd fix the indentation. You cannot indent both the continuation lines of the condition and the body of the if by one tab each!