vmscan always operates on folios since it puts the pages on the LRU list. Switching all of these functions from pages to folios saves 1483 bytes of text from removing all the baggage around calling compound_page() and similar functions. Applies cleanly to next-20220617 and passes an xfstests run. Matthew Wilcox (Oracle) (5): mm/vmscan: Convert reclaim_clean_pages_from_list() to folios mm/vmscan: Convert isolate_lru_pages() to use a folio mm/vmscan: Convert move_pages_to_lru() to use a folio mm/vmscan: Convert shrink_active_list() to use a folio mm/vmscan: Convert reclaim_pages() to use a folio include/linux/page-flags.h | 6 + mm/vmscan.c | 228 ++++++++++++++++++------------------- 2 files changed, 118 insertions(+), 116 deletions(-) -- 2.35.1