Date: Tue, 15 Jun 2010 22:16:02 +0000 (UTC) From: Olivier Houchard <cognet@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r209223 - head/sys/arm/arm Message-ID: <201006152216.o5FMG20A009322@svn.freebsd.org>
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Author: cognet Date: Tue Jun 15 22:16:02 2010 New Revision: 209223 URL: http://svn.freebsd.org/changeset/base/209223 Log: Turn off cache if there's more than one kernel mapping, and one is writable. Submitted by: Mark Tinguely Modified: head/sys/arm/arm/pmap.c Modified: head/sys/arm/arm/pmap.c ============================================================================== --- head/sys/arm/arm/pmap.c Tue Jun 15 22:01:38 2010 (r209222) +++ head/sys/arm/arm/pmap.c Tue Jun 15 22:16:02 2010 (r209223) @@ -1368,7 +1368,7 @@ pmap_fix_cache(struct vm_page *pg, pmap_ * check for kernel uncachable conditions * kernel writable or kernel readable with writable user entry */ - if ((kwritable && entries) || + if ((kwritable && (entries || kentries > 1)) || (kwritable > 1) || ((kwritable != writable) && kentries && (pv->pv_pmap == pmap_kernel() ||
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