[PATCH -next v2 00/13] mm: page_alloc: misc cleanup and refector

[Kefeng Wang <wangkefeng.wang@huawei.com>]

This is aim to reduce more space in page_alloc.c, also do some
cleanup, no functional changes intended.

This is based on next-20230515.

v2: 
- drop move of __pageblock_pfn_to_page(), suggested by Huang Ying
- move __show_mem() below the __show_free_areas() in patch4
- add new patch13
- add RB from Mike

Kefeng Wang (13):
  mm: page_alloc: move mirrored_kernelcore into mm_init.c
  mm: page_alloc: move init_on_alloc/free() into mm_init.c
  mm: page_alloc: move set_zone_contiguous() into mm_init.c
  mm: page_alloc: collect mem statistic into show_mem.c
  mm: page_alloc: squash page_is_consistent()
  mm: page_alloc: remove alloc_contig_dump_pages() stub
  mm: page_alloc: split out FAIL_PAGE_ALLOC
  mm: page_alloc: split out DEBUG_PAGEALLOC
  mm: page_alloc: move mark_free_page() into snapshot.c
  mm: page_alloc: move pm_* function into power
  mm: vmscan: use gfp_has_io_fs()
  mm: page_alloc: move sysctls into it own fils
  mm: page_alloc: move is_check_pages_enabled() into page_alloc.c

 include/linux/fault-inject.h   |   9 +
 include/linux/gfp.h            |  15 +-
 include/linux/memory_hotplug.h |   3 -
 include/linux/mm.h             |  87 ++--
 include/linux/mmzone.h         |  21 -
 include/linux/suspend.h        |   9 +-
 kernel/power/main.c            |  27 ++
 kernel/power/power.h           |   5 +
 kernel/power/snapshot.c        |  52 +++
 kernel/sysctl.c                |  67 ---
 lib/Makefile                   |   2 +-
 lib/show_mem.c                 |  37 --
 mm/Makefile                    |   4 +-
 mm/debug_page_alloc.c          |  59 +++
 mm/fail_page_alloc.c           |  66 +++
 mm/internal.h                  |  21 +-
 mm/mm_init.c                   |  32 ++
 mm/page_alloc.c                | 799 ++++-----------------------------
 mm/show_mem.c                  | 429 ++++++++++++++++++
 mm/swapfile.c                  |   1 +
 mm/vmscan.c                    |   2 +-
 21 files changed, 857 insertions(+), 890 deletions(-)
 delete mode 100644 lib/show_mem.c
 create mode 100644 mm/debug_page_alloc.c
 create mode 100644 mm/fail_page_alloc.c
 create mode 100644 mm/show_mem.c

-- 
2.35.3