CVS commit: src/sys/uvm

[Masao Uebayashi]

Module Name:    src
Committed By:   uebayasi
Date:           Sun Jan 31 07:37:24 UTC 2010

Modified Files:
        src/sys/uvm: uvm_fault.c

Log Message:
uvm_fault_internal: Skip another long code segment (lower "neighbor" fault)
by a goto.


To generate a diff of this commit:
cvs rdiff -u -r1.133 -r1.134 src/sys/uvm/uvm_fault.c

Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.


Modified files:

Index: src/sys/uvm/uvm_fault.c
diff -u src/sys/uvm/uvm_fault.c:1.133 src/sys/uvm/uvm_fault.c:1.134
--- src/sys/uvm/uvm_fault.c:1.133	Sun Jan 31 07:32:35 2010
+++ src/sys/uvm/uvm_fault.c	Sun Jan 31 07:37:24 2010
@@ -1,4 +1,4 @@
-/*	$NetBSD: uvm_fault.c,v 1.133 2010/01/31 07:32:35 uebayasi Exp $	*/
+/*	$NetBSD: uvm_fault.c,v 1.134 2010/01/31 07:37:24 uebayasi Exp $	*/
 
 /*
  *
@@ -39,7 +39,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: uvm_fault.c,v 1.133 2010/01/31 07:32:35 uebayasi Exp $");
+__KERNEL_RCSID(0, "$NetBSD: uvm_fault.c,v 1.134 2010/01/31 07:37:24 uebayasi Exp $");
 
 #include "opt_uvmhist.h"
 
@@ -1065,7 +1065,9 @@
 
 		uobjpage = NULL;
 
-		if (gotpages) {
+		if (gotpages == 0)
+			goto lower_fault_lookup_done;
+
 			currva = startva;
 			for (lcv = 0; lcv < npages;
 			     lcv++, currva += PAGE_SIZE) {
@@ -1143,7 +1145,9 @@
 				UVM_PAGE_OWN(curpg, NULL);
 			}
 			pmap_update(ufi.orig_map->pmap);
-		}
+
+lower_fault_lookup_done:
+		{}
 	} else {
 		uobjpage = NULL;
 	}