These pages are stored in the page cache, so they're really folios. Convert the whole file from pages to folios. Matthew Wilcox (Oracle) (5): ext4: Convert bd_bitmap_page to bd_bitmap_folio ext4: Convert bd_buddy_page to bd_buddy_folio ext4: Convert ext4_mb_init_cache() to take a folio ext4: Convert ac_bitmap_page to ac_bitmap_folio ext4: Convert ac_buddy_page to ac_buddy_folio fs/ext4/mballoc.c | 230 +++++++++++++++++++++++----------------------- fs/ext4/mballoc.h | 8 +- 2 files changed, 121 insertions(+), 117 deletions(-) -- 2.43.0