--- zzzz-none-000/linux-4.4.271/mm/swapfile.c	2021-06-03 06:22:09.000000000 +0000
+++ hawkeye-5590-750/linux-4.4.271/mm/swapfile.c	2023-04-19 10:22:30.000000000 +0000
@@ -1158,6 +1158,7 @@
 	}
 
 	dec_mm_counter(vma->vm_mm, MM_SWAPENTS);
+	inc_mm_counter(vma->vm_mm, MM_SWAPINS);
 	inc_mm_counter(vma->vm_mm, MM_ANONPAGES);
 	get_page(page);
 	set_pte_at(vma->vm_mm, addr, pte,