[v2,00/16] A few cleanup patches for mm

Message

Miaohe Lin Sept. 16, 2022, 7:22 a.m. UTC

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!
---
v2:
  Thanks David, Oscar, Anshuman and Matthew for review and comment!
  Collect Reviewed-by and Acked-by tag.
  3/6: Further remove NR_PCP_ORDER_WIDTH per Matthew.
  8/16: Tweak changelog to better explain the issue per Oscar.
  12/16: Adjust if block to match comment per David.
---
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 and NR_PCP_ORDER_WIDTH
  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         | 12 -------
 mm/internal.h                  |  3 --
 mm/page_alloc.c                | 63 ++++++++++++++++------------------
 6 files changed, 31 insertions(+), 80 deletions(-)