Re: [PATCH] mips: drop ranges for definition of ARCH_FORCE_MAX_ORDER

[Mike Rapoport]

Forgot to mention that the patch is on top of akpm/mm-unstable

On Wed, Mar 22, 2023 at 10:15:20AM +0200, Mike Rapoport wrote:
> From: "Mike Rapoport (IBM)" <rppt@xxxxxxxxxx>
> 
> MIPS defines insane ranges for ARCH_FORCE_MAX_ORDER allowing MAX_ORDER
> up to 63, which implies maximal contiguous allocation size of 2^63
> pages.
> 
> Drop bogus definitions of ranges for ARCH_FORCE_MAX_ORDER and leave it a
> simple integer with sensible defaults.
> 
> Users that *really* need to change the value of ARCH_FORCE_MAX_ORDER
> will be able to do so but they won't be mislead by the bogus ranges.
> 
> Signed-off-by: Mike Rapoport (IBM) <rppt@xxxxxxxxxx>
> ---
>  arch/mips/Kconfig | 4 ----
>  1 file changed, 4 deletions(-)
> 
> diff --git a/arch/mips/Kconfig b/arch/mips/Kconfig
> index 3e8b765b8c7b..a0f6e9d0a561 100644
> --- a/arch/mips/Kconfig
> +++ b/arch/mips/Kconfig
> @@ -2137,13 +2137,9 @@ endchoice
>  
>  config ARCH_FORCE_MAX_ORDER
>  	int "Maximum zone order"
> -	range 13 63 if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_64KB
>  	default "13" if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_64KB
> -	range 12 63 if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_32KB
>  	default "12" if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_32KB
> -	range 11 63 if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_16KB
>  	default "11" if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_16KB
> -	range 0 63
>  	default "10"
>  	help
>  	  The kernel memory allocator divides physically contiguous memory
> -- 
> 2.35.1
> 

-- 
Sincerely yours,
Mike.