linux-kernel - Re: [PATCH] Clarify i386/Kconfig explanation of the HIGHMEM config options

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Date:	Thu, 14 Dec 2006 18:11:28 +0200
From:	Avi Kivity <avi@...o.co.il>
To:	Theodore Tso <tytso@....edu>, thunder7@...all.nl,
	Arjan van de Ven <arjan@...radead.org>,
	Franck Pommereau <pommereau@...v-paris12.fr>,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH] Clarify i386/Kconfig explanation of the HIGHMEM config
 options

Theodore Tso wrote:
>> +	  1 Gigabyte or more total physical RAM, answer "off" here.
>>
>>     
>
> I don't think your proposed wording (1 gigabyte or more) versus (more
> than 1 gigabyte) doesn't really change the sense of this.
>
> If we want to be even more explicit about this, then if the CPU level
> selected by the user is greater than Pentium-M (or whatever is was the
> oldest CPU that didn't have NX support --- Arjan?) we shouldn't offer
> this choice at all, and force CONFIG_HIGHMEM64G.  We can give the user
> a choice if CONFIG_EMBEDDED is enabled, but otherwise, if the CPU
> level is new enough, I think we can safely make the argument that for
> nearly all systems, they have enough memory and speed that perhaps we
> should just simply always use HIGHMEM64G.
>   

CONFIG_HIGHMEM64G is not a good name for PAE, which is a feature that 
enables both large physical memory and nx.

IMO we should have CONFIG_PAE, selected by either CONFIG_HIGHMEM64G or a 
new CONFIG_NO_EXEC.



-- 
error compiling committee.c: too many arguments to function

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