[PATCH] arm64: Remove the ARCH_FORCE_MAX_ORDER config input prompt

[Mike Rapoport]

On Fri, May 19, 2023 at 06:14:40PM +0100, Catalin Marinas wrote:
> Commit 34affcd7577a ("arm64: drop ranges in definition of
> ARCH_FORCE_MAX_ORDER") dropped the ranges from the config entry and
> introduced an EXPERT condition on the input prompt instead.
> 
> However, starting with defconfig (ARCH_FORCE_MAX_ORDER of 10) and
> setting ARM64_64K_PAGES together with EXPERT leaves MAX_ORDER 10 which
> fails to build in this configuration.
> 
> Drop the input prompt for ARCH_FORCE_MAX_ORDER completely so that it's
> no longer configurable. People requiring a higher MAX_ORDER should send
> a patch changing the default, together with proper justification.
> 
> Fixes: 34affcd7577a ("arm64: drop ranges in definition of ARCH_FORCE_MAX_ORDER")
> Signed-off-by: Catalin Marinas <catalin.marinas at arm.com>
> Reported-by: Marc Zyngier <maz at kernel.org>
> Cc: Will Deacon <will at kernel.org>
> Cc: Mike Rapoport <rppt at kernel.org>
> Cc: Andrew Morton <akpm at linux-foundation.org>
> Cc: Justin M. Forbes <jforbes at fedoraproject.org>

Acked-by: Mike Rapoport (IBM) <rppt at kernel.org>

> ---
>  arch/arm64/Kconfig | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/arch/arm64/Kconfig b/arch/arm64/Kconfig
> index b1201d25a8a4..343e1e1cae10 100644
> --- a/arch/arm64/Kconfig
> +++ b/arch/arm64/Kconfig
> @@ -1516,7 +1516,7 @@ config XEN
>  # 16K |       27          |      14      |       13        |         11         |
>  # 64K |       29          |      16      |       13        |         13         |
>  config ARCH_FORCE_MAX_ORDER
> -	int "Order of maximal physically contiguous allocations" if EXPERT && (ARM64_4K_PAGES || ARM64_16K_PAGES)
> +	int
>  	default "13" if ARM64_64K_PAGES
>  	default "11" if ARM64_16K_PAGES
>  	default "10"

-- 
Sincerely yours,
Mike.