From: ZhangPeng <zhangpeng362@xxxxxxxxxx> This patch series converts several functions in page_io.c to use a folio, which can remove several implicit calls to compound_head(). Changelog: v4: - add THP ifdefs per kernel test robot (patch 9) v3: - introduce bio_first_folio_all(), rather than replacing bio_first_page_all() per Matthew (patch 3) - use a folio in __end_swap_bio_write() (patch 4) - remove unneeded ifdefs per Matthew (patch 9) v2: - remove unneeded ClearPageUptodate() and SetPageError(), suggested by Matthew Wilcox - convert bio_first_page_all() to bio_first_folio_all(), suggested by Matthew Wilcox - convert PageTransHuge to folio_test_pmd_mappable per Matthew Wilcox ZhangPeng (10): mm/page_io: remove unneeded ClearPageUptodate() mm/page_io: remove unneeded SetPageError() mm/page_io: introduce bio_first_folio_all() mm/page_io: use a folio in __end_swap_bio_write() mm/page_io: use a folio in __end_swap_bio_read() mm/page_io: use a folio in sio_read_complete() mm/page_io: use a folio in swap_writepage_bdev_sync() mm/page_io: use a folio in swap_writepage_bdev_async() mm/page_io: convert count_swpout_vm_event() to take in a folio mm/page_io: convert bio_associate_blkg_from_page() to take in a folio Documentation/block/biovecs.rst | 1 + include/linux/bio.h | 5 +++ mm/page_io.c | 61 ++++++++++++++++----------------- 3 files changed, 35 insertions(+), 32 deletions(-) -- 2.25.1
