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 Gapon _______________________________________________ [email protected] mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-current To unsubscribe, send any mail to "[email protected]"
