| Date | Wed, 9 Jan 2013 23:57:36 +0100 | From | Borislav Petkov <> | Subject | Re: [PATCH v7u1 09/31] x86, 64bit: #PF handler set page to cover 2M only |
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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. --
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