Re: + kconfigurable-resources-arch-dependent-changes-arch-a-i.patchadded to -mm tree

[KAMEZAWA Hiroyuki]

On Wed, 10 May 2006 20:57:19 -0700
akpm@xxxxxxxx wrote:

> diff -puN arch/i386/Kconfig~kconfigurable-resources-arch-dependent-changes-arch-a-i arch/i386/Kconfig
> --- devel/arch/i386/Kconfig~kconfigurable-resources-arch-dependent-changes-arch-a-i	2006-05-10 20:57:18.000000000 -0700
> +++ devel-akpm/arch/i386/Kconfig	2006-05-10 20:57:18.000000000 -0700
> @@ -754,6 +754,13 @@ config PHYSICAL_START
>  
>  	  Don't change this unless you know what you are doing.
>  
> +config RESOURCES_32BIT
> +	bool "32 bit Memory and IO resources (EXPERIMENTAL)"
> +	depends on EXPERIMENTAL
> +	help
> +	  By default resources are 64 bit. This option allows memory and IO
> +	  resources to be 32 bit to optimize code size.
> +

Could you modify
- depends on EXPERIMENTAL
- depends on EXPERIMENTAL && !X86_PAE ?

In legacy_init_iomem_resources()(/arch/i386/kernel/setup.c)

	res->start = e820.map[i].addr;
	res->end = res->start + e820.map[i].size - 1;

e820.map[i].addr is unsigned long long.

-Kame


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