Re: HIGHMEM4G config for 1GB RAM on desktop?
From: Valdis . Kletnieks
Date: Fri Aug 06 2004 - 19:21:53 EST
On Fri, 06 Aug 2004 12:52:36 -0000, linux@xxxxxxxxxxx said:
> But if you're using PAE, you've got > 4G of RAM, so there's no need to
> be clever trying to avoid HIGHMEM options.
Poking around in arch/i386/mm/init.c finds this:
#ifdef CONFIG_X86_PAE
int nx_enabled = 0;
static void __init set_nx(void)
{
unsigned int v[4], l, h;
if (cpu_has_pae && (cpuid_eax(0x80000000) > 0x80000001)) {
I could certainly see somebody wanting to use the NX stuff with only 2G of RAM.....
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