--- zzzz-none-000/linux-4.4.60/mm/memory.c 2017-04-08 07:53:53.000000000 +0000 +++ hawkeye-5590-729/linux-4.4.60/mm/memory.c 2022-03-30 14:21:53.000000000 +0000 @@ -2597,6 +2597,7 @@ inc_mm_counter_fast(mm, MM_ANONPAGES); dec_mm_counter_fast(mm, MM_SWAPENTS); + inc_mm_counter_fast(vma->vm_mm, MM_SWAPINS); pte = mk_pte(page, vma->vm_page_prot); if ((flags & FAULT_FLAG_WRITE) && reuse_swap_page(page)) { pte = maybe_mkwrite(pte_mkdirty(pte), vma);