Re: [PATCH 04/17] arch, mm: move definition of node_data to generic code

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On 16.07.24 13:13, Mike Rapoport wrote:
From: "Mike Rapoport (Microsoft)" <rppt@xxxxxxxxxx>

Every architecture that supports NUMA defines node_data in the same way:

	struct pglist_data *node_data[MAX_NUMNODES];

No reason to keep multiple copies of this definition and its forward
declarations, especially when such forward declaration is the only thing
in include/asm/mmzone.h for many architectures.

Add definition and declaration of node_data to generic code and drop
architecture-specific versions.

Signed-off-by: Mike Rapoport (Microsoft) <rppt@xxxxxxxxxx>
---
  arch/arm64/include/asm/Kbuild                  |  1 +
  arch/arm64/include/asm/mmzone.h                | 13 -------------
  arch/arm64/include/asm/topology.h              |  1 +
  arch/loongarch/include/asm/Kbuild              |  1 +
  arch/loongarch/include/asm/mmzone.h            | 16 ----------------
  arch/loongarch/include/asm/topology.h          |  1 +
  arch/loongarch/kernel/numa.c                   |  3 ---
  arch/mips/include/asm/mach-ip27/mmzone.h       |  4 ----
  arch/mips/include/asm/mach-loongson64/mmzone.h |  4 ----
  arch/mips/loongson64/numa.c                    |  2 --
  arch/mips/sgi-ip27/ip27-memory.c               |  3 ---
  arch/powerpc/include/asm/mmzone.h              |  6 ------
  arch/powerpc/mm/numa.c                         |  2 --
  arch/riscv/include/asm/Kbuild                  |  1 +
  arch/riscv/include/asm/mmzone.h                | 13 -------------
  arch/riscv/include/asm/topology.h              |  4 ++++
  arch/s390/include/asm/Kbuild                   |  1 +
  arch/s390/include/asm/mmzone.h                 | 17 -----------------
  arch/s390/kernel/numa.c                        |  3 ---
  arch/sh/include/asm/mmzone.h                   |  3 ---
  arch/sh/mm/numa.c                              |  3 ---
  arch/sparc/include/asm/mmzone.h                |  4 ----
  arch/sparc/mm/init_64.c                        |  2 --
  arch/x86/include/asm/Kbuild                    |  1 +
  arch/x86/include/asm/mmzone.h                  |  6 ------
  arch/x86/include/asm/mmzone_32.h               | 17 -----------------
  arch/x86/include/asm/mmzone_64.h               | 18 ------------------
  arch/x86/mm/numa.c                             |  3 ---
  drivers/base/arch_numa.c                       |  2 --
  include/asm-generic/mmzone.h                   |  5 +++++
  include/linux/numa.h                           |  3 +++
  mm/numa.c                                      |  3 +++
  32 files changed, 22 insertions(+), 144 deletions(-)
  delete mode 100644 arch/arm64/include/asm/mmzone.h
  delete mode 100644 arch/loongarch/include/asm/mmzone.h
  delete mode 100644 arch/riscv/include/asm/mmzone.h
  delete mode 100644 arch/s390/include/asm/mmzone.h
  delete mode 100644 arch/x86/include/asm/mmzone.h
  delete mode 100644 arch/x86/include/asm/mmzone_32.h
  delete mode 100644 arch/x86/include/asm/mmzone_64.h
  create mode 100644 include/asm-generic/mmzone.h

Nice!

Acked-by: David Hildenbrand <david@xxxxxxxxxx>

--
Cheers,

David / dhildenb





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