--- zzzz-none-000/linux-4.4.271/mm/memory.c	2021-06-03 06:22:09.000000000 +0000
+++ hawkeye-5590-750/linux-4.4.271/mm/memory.c	2023-04-19 10:22:30.000000000 +0000
@@ -2644,6 +2644,7 @@
 
 	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);