--- zzzz-none-000/linux-4.4.60/mm/nommu.c 2017-04-08 07:53:53.000000000 +0000 +++ scorpion-7490-727/linux-4.4.60/mm/nommu.c 2021-02-04 17:41:59.000000000 +0000 @@ -1880,6 +1880,13 @@ free += global_page_state(NR_SLAB_RECLAIMABLE); /* + * Part of the kernel memory, which can be released + * under memory pressure. + */ + free += global_page_state( + NR_INDIRECTLY_RECLAIMABLE_BYTES) >> PAGE_SHIFT; + + /* * Leave reserved pages. The pages are not for anonymous pages. */ if (free <= totalreserve_pages)