Date: Fri, 19 Nov 2010 17:04:55 +0000 (UTC) From: Marius Strobl <marius@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-stable@freebsd.org, svn-src-stable-8@freebsd.org Subject: svn commit: r215530 - stable/8/sys/sparc64/sparc64 Message-ID: <201011191704.oAJH4tAH081605@svn.freebsd.org>
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Author: marius Date: Fri Nov 19 17:04:55 2010 New Revision: 215530 URL: http://svn.freebsd.org/changeset/base/215530 Log: MFC: r214879 Implement pmap_is_prefaultable(). Reviewed by: alc (with bugfix) Modified: stable/8/sys/sparc64/sparc64/pmap.c Directory Properties: stable/8/sys/ (props changed) stable/8/sys/amd64/include/xen/ (props changed) stable/8/sys/cddl/contrib/opensolaris/ (props changed) stable/8/sys/contrib/dev/acpica/ (props changed) stable/8/sys/contrib/pf/ (props changed) stable/8/sys/dev/xen/xenpci/ (props changed) Modified: stable/8/sys/sparc64/sparc64/pmap.c ============================================================================== --- stable/8/sys/sparc64/sparc64/pmap.c Fri Nov 19 16:52:18 2010 (r215529) +++ stable/8/sys/sparc64/sparc64/pmap.c Fri Nov 19 17:04:55 2010 (r215530) @@ -1928,8 +1928,12 @@ pmap_is_modified(vm_page_t m) boolean_t pmap_is_prefaultable(pmap_t pmap, vm_offset_t addr) { + boolean_t rv; - return (FALSE); + PMAP_LOCK(pmap); + rv = tsb_tte_lookup(pmap, addr) == NULL; + PMAP_UNLOCK(pmap); + return (rv); } void
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