[src/trunk]: src/sys/uvm Add vm.min_address and vm.max_address which return V...

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

details:   https://anonhg.NetBSD.org/src/rev/de9ad00e7939
branches:  trunk
changeset: 793807:de9ad00e7939
user:      matt <matt%NetBSD.org@localhost>
date:      Wed Feb 26 16:11:59 2014 +0000

description:
Add vm.min_address and vm.max_address which return VM_MIN_ADDRESS and
VM_MAXUSER_ADDRESS.

diffstat:

 sys/uvm/uvm_meter.c |  16 ++++++++++++++--
 sys/uvm/uvm_param.h |   8 ++++++--
 2 files changed, 20 insertions(+), 4 deletions(-)

diffs (67 lines):

diff -r acb832ec4ae5 -r de9ad00e7939 sys/uvm/uvm_meter.c
--- a/sys/uvm/uvm_meter.c       Wed Feb 26 15:35:05 2014 +0000
+++ b/sys/uvm/uvm_meter.c       Wed Feb 26 16:11:59 2014 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: uvm_meter.c,v 1.61 2014/02/25 18:30:13 pooka Exp $     */
+/*     $NetBSD: uvm_meter.c,v 1.62 2014/02/26 16:11:59 matt Exp $      */
 
 /*
  * Copyright (c) 1997 Charles D. Cranor and Washington University.
@@ -36,7 +36,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: uvm_meter.c,v 1.61 2014/02/25 18:30:13 pooka Exp $");
+__KERNEL_RCSID(0, "$NetBSD: uvm_meter.c,v 1.62 2014/02/26 16:11:59 matt Exp $");
 
 #include <sys/param.h>
 #include <sys/systm.h>
@@ -268,6 +268,18 @@
                       SYSCTL_DESCR("Whether try to zero pages in idle loop"),
                       NULL, 0, &vm_page_zero_enable, 0,
                       CTL_VM, CTL_CREATE, CTL_EOL);
+       sysctl_createv(clog, 0, NULL, NULL,
+                      CTLFLAG_PERMANENT|CTLFLAG_IMMEDIATE,
+                      CTLTYPE_LONG, "minaddress",
+                      SYSCTL_DESCR("Minimum user address"),
+                      NULL, VM_MINADDRESS, NULL, 0,
+                      CTL_VM, VM_MINADDRESS, CTL_EOL);
+       sysctl_createv(clog, 0, NULL, NULL,
+                      CTLFLAG_PERMANENT|CTLFLAG_IMMEDIATE,
+                      CTLTYPE_LONG, "maxaddress",
+                      SYSCTL_DESCR("Maximum user address"),
+                      NULL, VM_MAXUSER_ADDRESS, NULL, 0,
+                      CTL_VM, VM_MAXADDRESS, CTL_EOL);
 
        uvmpdpol_sysctlsetup();
 }
diff -r acb832ec4ae5 -r de9ad00e7939 sys/uvm/uvm_param.h
--- a/sys/uvm/uvm_param.h       Wed Feb 26 15:35:05 2014 +0000
+++ b/sys/uvm/uvm_param.h       Wed Feb 26 16:11:59 2014 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: uvm_param.h,v 1.33 2014/01/25 15:17:17 christos Exp $  */
+/*     $NetBSD: uvm_param.h,v 1.34 2014/02/26 16:11:59 matt Exp $      */
 
 /*
  * Copyright (c) 1991, 1993
@@ -175,8 +175,10 @@
 #define        VM_ANONMAX      11
 #define        VM_EXECMAX      12
 #define        VM_FILEMAX      13
+#define        VM_MINADDRESS   14
+#define        VM_MAXADDRESS   15
 
-#define        VM_MAXID        14              /* number of valid vm ids */
+#define        VM_MAXID        16              /* number of valid vm ids */
 
 #define        CTL_VM_NAMES { \
        { 0, 0 }, \
@@ -193,6 +195,8 @@
        { "anonmax", CTLTYPE_INT }, \
        { "execmax", CTLTYPE_INT }, \
        { "filemax", CTLTYPE_INT }, \
+       { "minaddress", CTLTYPE_LONG }, \
+       { "maxaddress", CTLTYPE_LONG }, \
 }
 
 #ifndef ASSEMBLER