Re: [PATCH 00/14] arch: make PxD_ORDER generically available

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On 7/3/22 16:11, Mike Rapoport wrote:
> From: Mike Rapoport <rppt@xxxxxxxxxxxxx>
>
> Hi,
>
> The question what does PxD_ORDER define raises from time to time and
> there is still a conflict between MIPS and DAX definitions.
>
> Some time ago Matthew Wilcox suggested to use PMD_TABLE_ORDER to define
> the order of page table allocation:
>
> [1] https://lore.kernel.org/linux-arch/YPCJftSTUBEnq2lI@xxxxxxxxxxxxxxxxxxxx/
>
> The parisc patch made it in, but mips didn't.
> Now mips defines from asm/include/pgtable.h were copied to loongarch which
> made it worse.
>
> Let's deal with it once and for all and rename PxD_ORDER defines to
> PxD_TABLE_ORDER or just drop them when the only possible order of page
> table is 0.
>
> I think the best way to merge this via mm tree with acks from arch
> maintainers.

That's fine for me.

Acked-by: Helge Deller <deller@xxxxxx> # parisc

Thanks!
Helge



> Matthew Wilcox (Oracle) (1):
>   mips: Rename PMD_ORDER to PMD_TABLE_ORDER
>
> Mike Rapoport (13):
>   csky: drop definition of PTE_ORDER
>   csky: drop definition of PGD_ORDER
>   mips: Rename PUD_ORDER to PUD_TABLE_ORDER
>   mips: drop definitions of PTE_ORDER
>   mips: Rename PGD_ORDER to PGD_TABLE_ORDER
>   nios2: drop definition of PTE_ORDER
>   nios2: drop definition of PGD_ORDER
>   loongarch: drop definition of PTE_ORDER
>   loongarch: drop definition of PMD_ORDER
>   loongarch: drop definition of PUD_ORDER
>   loongarch: drop definition of PGD_ORDER
>   parisc: Rename PGD_ORDER to PGD_TABLE_ORDER
>   xtensa: drop definition of PGD_ORDER
>
>  arch/csky/include/asm/pgalloc.h      |  2 +-
>  arch/csky/include/asm/pgtable.h      |  6 +--
>  arch/loongarch/include/asm/pgalloc.h |  6 +--
>  arch/loongarch/include/asm/pgtable.h | 27 +++++-------
>  arch/loongarch/kernel/asm-offsets.c  |  5 ---
>  arch/loongarch/mm/pgtable.c          |  2 +-
>  arch/loongarch/mm/tlbex.S            |  6 +--
>  arch/mips/include/asm/pgalloc.h      |  8 ++--
>  arch/mips/include/asm/pgtable-32.h   | 19 ++++-----
>  arch/mips/include/asm/pgtable-64.h   | 61 +++++++++++++---------------
>  arch/mips/kernel/asm-offsets.c       |  5 ---
>  arch/mips/kvm/mmu.c                  |  2 +-
>  arch/mips/mm/pgtable.c               |  2 +-
>  arch/mips/mm/tlbex.c                 | 14 +++----
>  arch/nios2/include/asm/pgtable.h     |  7 +---
>  arch/nios2/mm/init.c                 |  5 +--
>  arch/nios2/mm/pgtable.c              |  2 +-
>  arch/parisc/include/asm/pgalloc.h    |  6 +--
>  arch/parisc/include/asm/pgtable.h    |  8 ++--
>  arch/xtensa/include/asm/pgalloc.h    |  2 +-
>  arch/xtensa/include/asm/pgtable.h    |  1 -
>  21 files changed, 84 insertions(+), 112 deletions(-)
>
>
> base-commit: 03c765b0e3b4cb5063276b086c76f7a612856a9a





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