on 04/11/2010 08:05 Alan Cox said the following: > > There is actually a point to using PG_PS_FRAME. The PAT bit for a 2MB page > mapping occupies a bit that is a part of the physical page number with PG_FRAME. > I suspect that the same is true of 1GB page mappings, but I haven't double checked > the manual. Ah, yes, you are right - bit 12 is a part of an address in PTE, but is used for PAT in PDE or PDPE if PS bit is 1. -- Andriy GaponReceived on Thu Nov 04 2010 - 10:07:39 UTC
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