Date: Sat, 31 Oct 2009 18:46:55 +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-7@freebsd.org Subject: svn commit: r198727 - in stable/7/sys: . contrib/pf vm Message-ID: <200910311846.n9VIktFP099387@svn.freebsd.org>
next in thread | raw e-mail | index | archive | help
Author: alc Date: Sat Oct 31 18:46:55 2009 New Revision: 198727 URL: http://svn.freebsd.org/changeset/base/198727 Log: MFC r198472 Eliminate an unnecessary check from vm_fault_prefault(). Modified: stable/7/sys/ (props changed) stable/7/sys/contrib/pf/ (props changed) stable/7/sys/vm/vm_fault.c Modified: stable/7/sys/vm/vm_fault.c ============================================================================== --- stable/7/sys/vm/vm_fault.c Sat Oct 31 18:18:32 2009 (r198726) +++ stable/7/sys/vm/vm_fault.c Sat Oct 31 18:46:55 2009 (r198727) @@ -970,8 +970,8 @@ 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);
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?200910311846.n9VIktFP099387>