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

[David Hildenbrand]

On 16.07.24 13:13, Mike Rapoport wrote:
> From: "Mike Rapoport (Microsoft)" <rppt at kernel.org>
> 
> 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 at kernel.org>
> ---
>   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 at redhat.com>

-- 
Cheers,

David / dhildenb