Date: Thu, 31 Jul 2008 22:45:28 +0000 (UTC) From: Alan Cox <alc@FreeBSD.org> To: src-committers@FreeBSD.org, cvs-src@FreeBSD.org, cvs-all@FreeBSD.org Subject: cvs commit: src/sys/amd64/amd64 pmap.c src/sys/amd64/include pmap.h Message-ID: <200807312245.m6VMjaKi063776@repoman.freebsd.org>
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alc 2008-07-31 22:45:28 UTC
FreeBSD src repository
Modified files:
sys/amd64/amd64 pmap.c
sys/amd64/include pmap.h
Log:
SVN rev 181077 on 2008-07-31 22:45:28Z by alc
Enhance pmap_change_attr(). Specifically, avoid 2MB page demotions, cache
mode changes, and cache and TLB invalidation when some or all of the
specified range is already mapped with the specified cache mode.
Submitted by: Magesh Dhasayyan
Revision Changes Path
1.640 +50 -21 src/sys/amd64/amd64/pmap.c
1.147 +4 -0 src/sys/amd64/include/pmap.h
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