Hi everyone, This series contains a few cleanup patches to remove the obsolete comments and functions, use helper macro to improve readability and so on. More details can be found in the respective changelogs. Thanks! Miaohe Lin (16): mm/page_alloc: ensure kswapd doesn't accidentally go to sleep mm/page_alloc: make zone_pcp_update() static mm: remove obsolete macro NR_PCP_ORDER_MASK mm/page_alloc: remove obsolete comment in zone_statistics() mm/page_alloc: add __init annotations to init_mem_debugging_and_hardening() mm/page_alloc: fix freeing static percpu memory mm: remove obsolete pgdat_is_empty() mm/page_alloc: add missing is_migrate_isolate() check in set_page_guard() mm/page_alloc: use local variable zone_idx directly mm, memory_hotplug: remove obsolete generic_free_nodedata() mm/page_alloc: make boot_nodestats static mm/page_alloc: use helper macro SZ_1{K,M} mm/page_alloc: init local variable buddy_pfn mm/page_alloc: use costly_order in WARN_ON_ONCE_GFP() mm/page_alloc: remove obsolete gfpflags_normal_context() mm/page_alloc: fix obsolete comment in deferred_pfn_valid() include/linux/gfp.h | 23 ------------- include/linux/memory_hotplug.h | 8 ----- include/linux/mm.h | 2 +- include/linux/mmzone.h | 6 ---- mm/internal.h | 3 -- mm/page_alloc.c | 60 ++++++++++++++++------------------ 6 files changed, 30 insertions(+), 72 deletions(-) -- 2.23.0