[src/trunk]: src/sys/arch/x86/x86 sprinkle __read_mostly

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

details:   https://anonhg.NetBSD.org/src/rev/d40f11c64613
branches:  trunk
changeset: 770310:d40f11c64613
user:      yamt <yamt%NetBSD.org@localhost>
date:      Tue Oct 11 23:50:24 2011 +0000

description:
sprinkle __read_mostly

diffstat:

 sys/arch/x86/x86/pmap.c |  23 ++++++++++++-----------
 1 files changed, 12 insertions(+), 11 deletions(-)

diffs (78 lines):

diff -r 304bff6b7f68 -r d40f11c64613 sys/arch/x86/x86/pmap.c
--- a/sys/arch/x86/x86/pmap.c   Tue Oct 11 23:05:48 2011 +0000
+++ b/sys/arch/x86/x86/pmap.c   Tue Oct 11 23:50:24 2011 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: pmap.c,v 1.133 2011/10/10 01:28:26 christos Exp $      */
+/*     $NetBSD: pmap.c,v 1.134 2011/10/11 23:50:24 yamt Exp $  */
 
 /*-
  * Copyright (c) 2008, 2010 The NetBSD Foundation, Inc.
@@ -171,7 +171,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: pmap.c,v 1.133 2011/10/10 01:28:26 christos Exp $");
+__KERNEL_RCSID(0, "$NetBSD: pmap.c,v 1.134 2011/10/11 23:50:24 yamt Exp $");
 
 #include "opt_user_ldt.h"
 #include "opt_lockdebug.h"
@@ -364,7 +364,7 @@
 #define        PAT_WB          0x6ULL
 #define        PAT_UCMINUS     0x7ULL
 
-static bool cpu_pat_enabled = false;
+static bool cpu_pat_enabled __read_mostly = false;
 
 /*
  * global data structures
@@ -378,14 +378,14 @@
  * set pmap_pg_g to PG_G (otherwise it is zero).
  */
 
-int pmap_pg_g = 0;
+int pmap_pg_g __read_mostly = 0;
 
 /*
  * pmap_largepages: if our processor supports PG_PS and we are
  * using it, this is set to true.
  */
 
-int pmap_largepages;
+int pmap_largepages __read_mostly;
 
 /*
  * i386 physical memory comes in a big contig chunk with a small
@@ -393,8 +393,8 @@
  * (shared with machdep.c) describe the physical address space
  * of this machine.
  */
-paddr_t avail_start;   /* PA of first available physical page */
-paddr_t avail_end;     /* PA of last available physical page */
+paddr_t avail_start __read_mostly; /* PA of first available physical page */
+paddr_t avail_end __read_mostly; /* PA of last available physical page */
 
 #ifdef XEN
 #ifdef __x86_64__
@@ -466,8 +466,9 @@
  * other data structures
  */
 
-static pt_entry_t protection_codes[8]; /* maps MI prot to i386 prot code */
-static bool pmap_initialized = false;  /* pmap_init done yet? */
+static pt_entry_t protection_codes[8] __read_mostly; /* maps MI prot to i386
+                                                       prot code */
+static bool pmap_initialized __read_mostly = false; /* pmap_init done yet? */
 
 /*
  * the following two vaddr_t's are used during system startup
@@ -476,8 +477,8 @@
  * VM space is turned over to the kernel_map vm_map.
  */
 
-static vaddr_t virtual_avail;  /* VA of first free KVA */
-static vaddr_t virtual_end;    /* VA of last free KVA */
+static vaddr_t virtual_avail __read_mostly;    /* VA of first free KVA */
+static vaddr_t virtual_end __read_mostly;      /* VA of last free KVA */
 
 /*
  * linked list of all non-kernel pmaps