With frontswap killed, it's worth converting the zswap_load() and zswap_store() functions to take a folio instead of a page pointer. They aren't converted to support large folios, but there are a lot of unnecessary calls to compound_head() that are removed by these patches. Matthew Wilcox (Oracle) (5): fix-frontswap zswap: Make zswap_store() take a folio memcg: Convert get_obj_cgroup_from_page to get_obj_cgroup_from_folio swap: Remove some calls to compound_head() in swap_readpage() zswap: Make zswap_load() take a folio include/linux/memcontrol.h | 4 ++-- include/linux/zswap.h | 8 ++++---- mm/memcontrol.c | 8 ++++---- mm/page_io.c | 17 +++++++++-------- mm/zswap.c | 27 +++++++++++++++------------ 5 files changed, 34 insertions(+), 30 deletions(-) -- 2.39.2
