Date: Sun, 25 Oct 2009 17:30:51 +0000 (UTC) From: Alan Cox <alc@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r198472 - head/sys/vm Message-ID: <200910251730.n9PHUpLK064544@svn.freebsd.org>
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Author: alc Date: Sun Oct 25 17:30:50 2009 New Revision: 198472 URL: http://svn.freebsd.org/changeset/base/198472 Log: Eliminate an unnecessary check from vm_fault_prefault(). Modified: head/sys/vm/vm_fault.c Modified: head/sys/vm/vm_fault.c ============================================================================== --- head/sys/vm/vm_fault.c Sun Oct 25 15:52:31 2009 (r198471) +++ head/sys/vm/vm_fault.c Sun Oct 25 17:30:50 2009 (r198472) @@ -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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