Re: [PATCH] x86: set PAE PHYSICAL_MASK_SHIFT to match 64-bit

[Arjan van de Ven]

On Thu, 05 Jun 2008 16:21:14 +0100
Jeremy Fitzhardinge <jeremy@xxxxxxxx> wrote:

> When a 64-bit x86 processor runs in 32-bit PAE mode, a pte can
> potentially have the same number of physical address bits as the
> 64-bit host ("Enhanced Legacy PAE Paging").
> 

the problem on 32 bit is that if you have that much ram, you run out of
lowmem FAST.... so you have bigger problems.

-- 
If you want to reach me at my work email, use arjan@xxxxxxxxxxxxxxx
For development, discussion and tips for power savings, 
visit http://www.lesswatts.org
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/