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Date:      Fri, 26 Mar 2010 18:54:46 +0000 (UTC)
From:      John Baldwin <jhb@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: r205707 - in stable/7/sys: conf i386/conf i386/i386
Message-ID:  <201003261854.o2QIskBX031329@svn.freebsd.org>

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Author: jhb
Date: Fri Mar 26 18:54:46 2010
New Revision: 205707
URL: http://svn.freebsd.org/changeset/base/205707

Log:
  MFC 204972:
  Make NKPT a kernel option on i386 so that it can be set to a non-default
  value from kernel config files.

Modified:
  stable/7/sys/conf/options.i386
  stable/7/sys/i386/conf/NOTES
  stable/7/sys/i386/i386/mp_machdep.c
Directory Properties:
  stable/7/sys/   (props changed)
  stable/7/sys/cddl/contrib/opensolaris/   (props changed)
  stable/7/sys/contrib/dev/acpica/   (props changed)
  stable/7/sys/contrib/pf/   (props changed)

Modified: stable/7/sys/conf/options.i386
==============================================================================
--- stable/7/sys/conf/options.i386	Fri Mar 26 18:54:25 2010	(r205706)
+++ stable/7/sys/conf/options.i386	Fri Mar 26 18:54:46 2010	(r205707)
@@ -12,6 +12,7 @@ I586_PMC_GUPROF		opt_i586_guprof.h
 MAXMEM
 MPTABLE_FORCE_HTT
 MP_WATCHDOG
+NKPT			opt_pmap.h
 PERFMON
 PMAP_SHPGPERPROC	opt_pmap.h
 POWERFAIL_NMI		opt_trap.h

Modified: stable/7/sys/i386/conf/NOTES
==============================================================================
--- stable/7/sys/i386/conf/NOTES	Fri Mar 26 18:54:25 2010	(r205706)
+++ stable/7/sys/i386/conf/NOTES	Fri Mar 26 18:54:46 2010	(r205707)
@@ -1140,6 +1140,15 @@ options 	PMAP_SHPGPERPROC=201
 #
 options 	KVA_PAGES=260
 
+#
+# Number of initial kernel page table pages used for early bootstrap.
+# This number should include enough pages to map the kernel, any
+# modules or other data loaded with the kernel by the loader, and data
+# structures allocated before the VM system is initialized such as the
+# vm_page_t array.  Each page table page maps 4MB (2MB with PAE).
+#
+options 	NKPT=31
+
 
 #####################################################################
 # ABI Emulation

Modified: stable/7/sys/i386/i386/mp_machdep.c
==============================================================================
--- stable/7/sys/i386/i386/mp_machdep.c	Fri Mar 26 18:54:25 2010	(r205706)
+++ stable/7/sys/i386/i386/mp_machdep.c	Fri Mar 26 18:54:46 2010	(r205707)
@@ -30,6 +30,7 @@ __FBSDID("$FreeBSD$");
 #include "opt_cpu.h"
 #include "opt_kstack_pages.h"
 #include "opt_mp_watchdog.h"
+#include "opt_pmap.h"
 #include "opt_sched.h"
 #include "opt_smp.h"
 



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