Re: [PATCH v7u1 09/31] x86, 64bit: #PF handler set page to cover 2Monly

[Borislav Petkov]

On Thu, Jan 03, 2013 at 04:48:29PM -0800, Yinghai Lu wrote:
> Now #PF hanlder could map 1G per #PF, That causes same problem that
> is fixed by
> 	x86, mm: Only direct map addresses that are marked as E820_RAM
> 
> only add one 2M mapping instead of 1G accessing one time for dynamically
> per #PF.

Ok, I can more or less grasp what the code does but this sentence above
is a lot of fun. Do you mean:

"add only one 2M mapping per #PF instead of all 512 pmds comprising 1G"

?

Thanks.

-- 
Regards/Gruss,
    Boris.

Sent from a fat crate under my desk. Formatting is fine.
--
--
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/