Date: Sat, 31 Oct 2009 18:18:32 +0000 (UTC) From: Alan Cox <alc@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: r198726 - in stable/8/sys: . amd64/include/xen cddl/contrib/opensolaris contrib/dev/acpica contrib/pf dev/xen/xenpci vm Message-ID: <200910311818.n9VIIWrY098745@svn.freebsd.org>
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Author: alc Date: Sat Oct 31 18:18:32 2009 New Revision: 198726 URL: http://svn.freebsd.org/changeset/base/198726 Log: MFC r198472 Eliminate an unnecessary check from vm_fault_prefault(). Modified: 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) stable/8/sys/vm/vm_fault.c Modified: stable/8/sys/vm/vm_fault.c ============================================================================== --- stable/8/sys/vm/vm_fault.c Sat Oct 31 18:04:34 2009 (r198725) +++ stable/8/sys/vm/vm_fault.c Sat Oct 31 18:18:32 2009 (r198726) @@ -1011,8 +1011,8 @@ vm_fault_prefault(pmap_t pmap, vm_offset while ((m = vm_page_lookup(lobject, pindex)) == NULL && lobject->type == OBJT_DEFAULT && (backing_object = lobject->backing_object) != NULL) { - if (lobject->backing_object_offset & PAGE_MASK) - break; + KASSERT((lobject->backing_object_offset & PAGE_MASK) == + 0, ("vm_fault_prefault: unaligned object offset")); pindex += lobject->backing_object_offset >> PAGE_SHIFT; VM_OBJECT_LOCK(backing_object); VM_OBJECT_UNLOCK(lobject);
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