Date: Thu, 15 Nov 2001 18:28:33 -0800 (PST) From: Peter Wemm <peter@FreeBSD.org> To: cvs-committers@FreeBSD.org, cvs-all@FreeBSD.org Subject: cvs commit: src/sys/alpha/alpha pmap.c src/sys/ia64/ia64 pmap.c Message-ID: <200111160228.fAG2SXO22714@freefall.freebsd.org>
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peter 2001/11/15 18:28:33 PST
Modified files:
sys/alpha/alpha pmap.c
sys/ia64/ia64 pmap.c
Log:
Merge rev 1.264 from i386/pmap.c (tegge via alfred):
Protect against an infinite loop when prefaulting pages. This can
happen when the vm system maps past the end of an object or tries
to map a zero length object, the pmap layer misses the fact that
offsets wrap into negative numbers and we get stuck.
Revision Changes Path
1.74 +4 -1 src/sys/alpha/alpha/pmap.c
1.37 +4 -1 src/sys/ia64/ia64/pmap.c
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