linux-kernel - [PATCH v4 -next 00/15] sysctl: move sysctls from vm

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Message-ID: <20241223141550.638616-17-yukaixiong@huawei.com>
Date: Mon, 23 Dec 2024 22:15:35 +0800
From: Kaixiong Yu <yukaixiong@...wei.com>
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Subject: [PATCH v4 -next 00/15] sysctl: move sysctls from vm_table into its own files

This patch series moves sysctls of vm_table in kernel/sysctl.c to
places where they actually belong, and do some related code clean-ups.
After this patch series, all sysctls in vm_table have been moved into its
own files, meanwhile, delete vm_table.

All the modifications of this patch series base on
linux-next(tags/next-20241219). To test this patch series, the code was
compiled with both the CONFIG_SYSCTL enabled and disabled on arm64 and
x86_64 architectures. After this patch series is applied, all files
under /proc/sys/vm can be read or written normally.

Changes in v4:
 - change all "static struct ctl_table" type into
   "static const struct ctl_table" type in patch1~10,12,13,14
 - simplify result of rpcauth_cache_shrink_count() in patch11

Changes in v3:
 - change patch1~10, patch14 title suggested by Joel Granados
 - change sysctl_stat_interval to static type in patch1
 - add acked-by from Paul Moore in patch7
 - change dirtytime_expire_interval to static type in patch9
 - add acked-by from Anna Schumaker in patch11

Changes in v2:
 - fix sysctl_max_map_count undeclared issue in mm/nommu.c for patch6
 - update changelog for patch7/12, suggested by Kees/Paul
 - fix patch8, sorry for wrong changes and forget to built with NOMMU
 - add reviewed-by from Kees except patch8 since patch8 is wrong in v1
 - add reviewed-by from Jan Kara, Christian Brauner in patch12

Kaixiong Yu (15):
  mm: vmstat: move sysctls to mm/vmstat.c
  mm: filemap: move sysctl to mm/filemap.c
  mm: swap: move sysctl to mm/swap.c
  mm: vmscan: move vmscan sysctls to mm/vmscan.c
  mm: util: move sysctls to mm/util.c
  mm: mmap: move sysctl to mm/mmap.c
  security: min_addr: move sysctl to security/min_addr.c
  mm: nommu: move sysctl to mm/nommu.c
  fs: fs-writeback: move sysctl to fs/fs-writeback.c
  fs: drop_caches: move sysctl to fs/drop_caches.c
  sunrpc: simplify rpcauth_cache_shrink_count()
  fs: dcache: move the sysctl to fs/dcache.c
  x86: vdso: move the sysctl to arch/x86/entry/vdso/vdso32-setup.c
  sh: vdso: move the sysctl to arch/sh/kernel/vsyscall/vsyscall.c
  sysctl: remove unneeded include

 arch/sh/kernel/vsyscall/vsyscall.c |  14 ++
 arch/x86/entry/vdso/vdso32-setup.c |  16 ++-
 fs/dcache.c                        |  21 ++-
 fs/drop_caches.c                   |  23 ++-
 fs/fs-writeback.c                  |  30 ++--
 include/linux/dcache.h             |   7 +-
 include/linux/mm.h                 |  23 ---
 include/linux/mman.h               |   2 -
 include/linux/swap.h               |   9 --
 include/linux/vmstat.h             |  11 --
 include/linux/writeback.h          |   4 -
 kernel/sysctl.c                    | 221 -----------------------------
 mm/filemap.c                       |  18 ++-
 mm/internal.h                      |  10 ++
 mm/mmap.c                          |  54 +++++++
 mm/nommu.c                         |  15 +-
 mm/swap.c                          |  16 ++-
 mm/swap.h                          |   1 +
 mm/util.c                          |  67 +++++++--
 mm/vmscan.c                        |  23 +++
 mm/vmstat.c                        |  44 +++++-
 net/sunrpc/auth.c                  |   2 +-
 security/min_addr.c                |  11 ++
 23 files changed, 330 insertions(+), 312 deletions(-)

-- 
2.34.1