[src/trunk]: src/sys/uvm Initialize P->V tracking for unmanaged device pages ...

[riastradh <riastradh%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/de0a7ef1dae5
branches:  trunk
changeset: 337109:de0a7ef1dae5
user:      riastradh <riastradh%NetBSD.org@localhost>
date:      Fri Apr 03 01:03:42 2015 +0000

description:
Initialize P->V tracking for unmanaged device pages in uvm_init.

Conditional on __HAVE_PMAP_PV_TRACK until we add it to all pmaps.

MI part of pmap_pv(9) change proposed on tech-kern:

https://mail-index.netbsd.org/tech-kern/2015/03/26/msg018561.html

diffstat:

 sys/uvm/uvm_init.c |  7 +++++--
 1 files changed, 5 insertions(+), 2 deletions(-)

diffs (28 lines):

diff -r 47b7fb76b0ef -r de0a7ef1dae5 sys/uvm/uvm_init.c
--- a/sys/uvm/uvm_init.c        Thu Apr 02 18:41:22 2015 +0000
+++ b/sys/uvm/uvm_init.c        Fri Apr 03 01:03:42 2015 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: uvm_init.c,v 1.45 2013/01/29 21:37:04 para Exp $       */
+/*     $NetBSD: uvm_init.c,v 1.46 2015/04/03 01:03:42 riastradh Exp $  */
 
 /*
  * Copyright (c) 1997 Charles D. Cranor and Washington University.
@@ -32,7 +32,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: uvm_init.c,v 1.45 2013/01/29 21:37:04 para Exp $");
+__KERNEL_RCSID(0, "$NetBSD: uvm_init.c,v 1.46 2015/04/03 01:03:42 riastradh Exp $");
 
 #include <sys/param.h>
 #include <sys/systm.h>
@@ -133,6 +133,9 @@
         */
 
        uvm_km_init();
+#ifdef __HAVE_PMAP_PV_TRACK
+       pmap_pv_init();
+#endif
 
 #ifdef DEBUG
        debug_init();