Date: Wed, 03 Nov 2010 20:55:42 +0200 From: Andriy Gapon <avg@freebsd.org> To: Alan Cox <alc@rice.edu> Cc: Alan Cox <alc@freebsd.org>, freebsd-current@freebsd.org Subject: Re: minidump size on amd64 Message-ID: <4CD1B02E.2070708@freebsd.org> In-Reply-To: <4CD1AD80.2090903@rice.edu> References: <4CA0DA49.2090006@freebsd.org> <4CA3A48A.5070300@freebsd.org> <4CA3BD1E.5070807@rice.edu> <4CA5911E.3000101@freebsd.org> <4CAE0060.7050607@freebsd.org> <4CAECC4D.90707@rice.edu> <4CD1AA45.7000504@freebsd.org> <4CD1AD80.2090903@rice.edu>
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on 03/11/2010 20:44 Alan Cox said the following: [snip] Thank you for the confirmation! > Andriy Gapon wrote: >> P.S. is there a macro for extracting frame address from PDPE? > To a lower level page table page or to a 1GB physical page? For the latter, you > can use PG_PS_FRAME. To a 1GB page. I see in the architecture manual that the lower bits are marked as MBZ, so this macro should work. Actually, it seems that even PG_FRAME should work in place of PG_PS_FRAME for exactly the same reason (MBZ) on amd64. Thank you! -- Andriy Gapon
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