Re: divorce CONFIG_X86_PAE from CONFIG_HIGHMEM64G

[William Lee Irwin III]

On Thu, 7 Jun 2007 19:35:51 -0700 William Lee Irwin III <wli@xxxxxxxxxxxxxx> wrote:
>> PAE is useful for more than supporting more than 4GB RAM. It supports
>> expanded swapspace and NX executable protections. Some users may want
>> NX or expanded swapspace support without the overhead or instability
>> of highmem. For these reasons, the following patch divorces
>> CONFIG_X86_PAE from CONFIG_HIGHMEM64G.

On Thu, Jun 07, 2007 at 07:41:56PM -0700, Andrew Morton wrote:
> Do (CONFIG_X86_PAE && !CONFIG_HIGHMEM64G) and (!CONFIG_X86_PAE && CONFIG_HIGHMEM64G)
> kernels actually work?  I wouldn't be surprised if there are places where we used
> the incorrect one.

!CONFIG_X86_PAE && CONFIG_HIGHMEM64G doesn't make sense and is not allowed
by this patch. CONFIG_X86_PAE && !CONFIG_HIGHMEM64G works here.


-- wli
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