Date: Wed, 25 Jun 2003 17:22:48 -0700 (PDT) From: Peter Wemm <peter@FreeBSD.org> To: Perforce Change Reviews <perforce@freebsd.org> Subject: PERFORCE change 33672 for review Message-ID: <200306260022.h5Q0MmrC007705@repoman.freebsd.org>
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http://perforce.freebsd.org/chv.cgi?CH=33672 Change 33672 by peter@peter_hammer on 2003/06/25 17:21:49 Do a minimum of 4GB of direct map area so that we cover the top of the 32 bit pci map space. Affected files ... .. //depot/projects/hammer/sys/amd64/amd64/pmap.c#18 edit Differences ... ==== //depot/projects/hammer/sys/amd64/amd64/pmap.c#18 (text+ko) ==== @@ -367,8 +367,8 @@ KPDphys = allocpages(NKPDPE); ndmpdp = (ptoa(Maxmem) + NBPDP - 1) >> PDPSHIFT; - if (ndmpdp < 1) - ndmpdp = 1; + if (ndmpdp < 4) /* Minimum 4GB of dirmap */ + ndmpdp = 4; DMPDPphys = allocpages(NDMPML4E); DMPDphys = allocpages(ndmpdp);home | help
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