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Date:      Fri, 23 Jan 2009 22:49:23 +0000 (UTC)
From:      John Baldwin <jhb@FreeBSD.org>
To:        src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org
Subject:   svn commit: r187658 - in head/sys: kern sys vm
Message-ID:  <200901232249.n0NMnNIr056441@svn.freebsd.org>

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Author: jhb
Date: Fri Jan 23 22:49:23 2009
New Revision: 187658
URL: http://svn.freebsd.org/changeset/base/187658

Log:
  - Mark all standalone INT/LONG/QUAD sysctl's MPSAFE.  This is done
    inside the SYSCTL() macros and thus does not need to be done for
    all of the nodes scattered across the source tree.
  - Mark the name-cache related sysctl's (including debug.hashstat.*) MPSAFE.
  - Mark vm.loadavg MPSAFE.
  - Remove GIANT_REQUIRED from vmtotal() (everything in this routine already
    has sufficient locking) and mark vm.vmtotal MPSAFE.
  - Mark the vm.stats.(sys|vm).* sysctls MPSAFE.

Modified:
  head/sys/kern/vfs_cache.c
  head/sys/sys/sysctl.h
  head/sys/vm/vm_meter.c

Modified: head/sys/kern/vfs_cache.c
==============================================================================
--- head/sys/kern/vfs_cache.c	Fri Jan 23 22:46:45 2009	(r187657)
+++ head/sys/kern/vfs_cache.c	Fri Jan 23 22:49:23 2009	(r187658)
@@ -163,8 +163,8 @@ static u_long numposhits; STATNODE(CTLFL
 static u_long numnegzaps; STATNODE(CTLFLAG_RD, numnegzaps, &numnegzaps);
 static u_long numneghits; STATNODE(CTLFLAG_RD, numneghits, &numneghits);
 
-SYSCTL_OPAQUE(_vfs_cache, OID_AUTO, nchstats, CTLFLAG_RD, &nchstats,
-	sizeof(nchstats), "LU", "VFS cache effectiveness statistics");
+SYSCTL_OPAQUE(_vfs_cache, OID_AUTO, nchstats, CTLFLAG_RD | CTLFLAG_MPSAFE,
+	&nchstats, sizeof(nchstats), "LU", "VFS cache effectiveness statistics");
 
 
 
@@ -212,8 +212,9 @@ sysctl_debug_hashstat_rawnchash(SYSCTL_H
 	}
 	return (0);
 }
-SYSCTL_PROC(_debug_hashstat, OID_AUTO, rawnchash, CTLTYPE_INT|CTLFLAG_RD,
-	0, 0, sysctl_debug_hashstat_rawnchash, "S,int", "nchash chain lengths");
+SYSCTL_PROC(_debug_hashstat, OID_AUTO, rawnchash, CTLTYPE_INT|CTLFLAG_RD|
+	CTLFLAG_MPSAFE, 0, 0, sysctl_debug_hashstat_rawnchash, "S,int",
+	"nchash chain lengths");
 
 static int
 sysctl_debug_hashstat_nchash(SYSCTL_HANDLER_ARGS)
@@ -260,8 +261,9 @@ sysctl_debug_hashstat_nchash(SYSCTL_HAND
 		return (error);
 	return (0);
 }
-SYSCTL_PROC(_debug_hashstat, OID_AUTO, nchash, CTLTYPE_INT|CTLFLAG_RD,
-	0, 0, sysctl_debug_hashstat_nchash, "I", "nchash chain lengths");
+SYSCTL_PROC(_debug_hashstat, OID_AUTO, nchash, CTLTYPE_INT|CTLFLAG_RD|
+	CTLFLAG_MPSAFE, 0, 0, sysctl_debug_hashstat_nchash, "I",
+	"nchash chain lengths");
 
 /*
  * cache_zap():

Modified: head/sys/sys/sysctl.h
==============================================================================
--- head/sys/sys/sysctl.h	Fri Jan 23 22:46:45 2009	(r187657)
+++ head/sys/sys/sysctl.h	Fri Jan 23 22:49:23 2009	(r187658)
@@ -287,7 +287,7 @@ TAILQ_HEAD(sysctl_ctx_list, sysctl_ctx_e
 
 /* Oid for an int.  If ptr is NULL, val is returned. */
 #define SYSCTL_INT(parent, nbr, name, access, ptr, val, descr) \
-	SYSCTL_OID(parent, nbr, name, CTLTYPE_INT|(access), \
+	SYSCTL_OID(parent, nbr, name, CTLTYPE_INT|CTLFLAG_MPSAFE|(access), \
 		ptr, val, sysctl_handle_int, "I", descr)
 
 #ifdef VIMAGE
@@ -297,22 +297,22 @@ TAILQ_HEAD(sysctl_ctx_list, sysctl_ctx_e
 #else
 #ifdef VIMAGE_GLOBALS
 #define	SYSCTL_V_INT(subs, mod, parent, nbr, name, access, sym, val, descr) \
-	SYSCTL_OID(parent, nbr, name, CTLTYPE_INT|(access), \
+	SYSCTL_OID(parent, nbr, name, CTLTYPE_INT|CTLFLAG_MPSAFE|(access), \
 		&sym, val, sysctl_handle_int, "I", descr)
 #else
 #define	SYSCTL_V_INT(subs, mod, parent, nbr, name, access, sym, val, descr) \
-	SYSCTL_OID(parent, nbr, name, CTLTYPE_INT|(access), \
+	SYSCTL_OID(parent, nbr, name, CTLTYPE_INT|CTLFLAG_MPSAFE|(access), \
 		& mod ## _0._ ## sym, val, sysctl_handle_int, "I", descr)
 #endif
 #endif
 
 #define SYSCTL_ADD_INT(ctx, parent, nbr, name, access, ptr, val, descr)	    \
-	sysctl_add_oid(ctx, parent, nbr, name, CTLTYPE_INT|(access),	    \
+	sysctl_add_oid(ctx, parent, nbr, name, CTLTYPE_INT|CTLFLAG_MPSAFE|(access),	    \
 	ptr, val, sysctl_handle_int, "I", __DESCR(descr))
 
 /* Oid for an unsigned int.  If ptr is NULL, val is returned. */
 #define SYSCTL_UINT(parent, nbr, name, access, ptr, val, descr) \
-	SYSCTL_OID(parent, nbr, name, CTLTYPE_UINT|(access), \
+	SYSCTL_OID(parent, nbr, name, CTLTYPE_UINT|CTLFLAG_MPSAFE|(access), \
 		ptr, val, sysctl_handle_int, "IU", descr)
 
 #ifdef VIMAGE
@@ -322,60 +322,60 @@ TAILQ_HEAD(sysctl_ctx_list, sysctl_ctx_e
 #else
 #ifdef VIMAGE_GLOBALS
 #define	SYSCTL_V_UINT(subs, mod, parent, nbr, name, access, sym, val, descr) \
-	SYSCTL_OID(parent, nbr, name, CTLTYPE_UINT|(access), \
+	SYSCTL_OID(parent, nbr, name, CTLTYPE_UINT|CTLFLAG_MPSAFE|(access), \
 		&sym, val, sysctl_handle_int, "IU", descr)
 #else
 #define	SYSCTL_V_UINT(subs, mod, parent, nbr, name, access, sym, val, descr) \
-	SYSCTL_OID(parent, nbr, name, CTLTYPE_UINT|(access), \
+	SYSCTL_OID(parent, nbr, name, CTLTYPE_UINT|CTLFLAG_MPSAFE|(access), \
 		& mod ## _0._ ## sym, val, sysctl_handle_int, "IU", descr)
 #endif
 #endif
 
 #define SYSCTL_ADD_UINT(ctx, parent, nbr, name, access, ptr, val, descr)    \
-	sysctl_add_oid(ctx, parent, nbr, name, CTLTYPE_UINT|(access),	    \
+	sysctl_add_oid(ctx, parent, nbr, name, CTLTYPE_UINT|CTLFLAG_MPSAFE|(access),	    \
 	ptr, val, sysctl_handle_int, "IU", __DESCR(descr))
 
 #define SYSCTL_XINT(parent, nbr, name, access, ptr, val, descr) \
-	SYSCTL_OID(parent, nbr, name, CTLTYPE_UINT|(access), \
+	SYSCTL_OID(parent, nbr, name, CTLTYPE_UINT|CTLFLAG_MPSAFE|(access), \
 		ptr, val, sysctl_handle_int, "IX", descr)
 
 #define SYSCTL_ADD_XINT(ctx, parent, nbr, name, access, ptr, val, descr)    \
-	sysctl_add_oid(ctx, parent, nbr, name, CTLTYPE_UINT|(access),	    \
+	sysctl_add_oid(ctx, parent, nbr, name, CTLTYPE_UINT|CTLFLAG_MPSAFE|(access),	    \
 	ptr, val, sysctl_handle_int, "IX", __DESCR(descr))
 
 /* Oid for a long.  The pointer must be non NULL. */
 #define SYSCTL_LONG(parent, nbr, name, access, ptr, val, descr) \
-	SYSCTL_OID(parent, nbr, name, CTLTYPE_LONG|(access), \
+	SYSCTL_OID(parent, nbr, name, CTLTYPE_LONG|CTLFLAG_MPSAFE|(access), \
 		ptr, val, sysctl_handle_long, "L", descr)
 
 #define SYSCTL_ADD_LONG(ctx, parent, nbr, name, access, ptr, descr)	    \
-	sysctl_add_oid(ctx, parent, nbr, name, CTLTYPE_LONG|(access),	    \
+	sysctl_add_oid(ctx, parent, nbr, name, CTLTYPE_LONG|CTLFLAG_MPSAFE|(access),	    \
 	ptr, 0, sysctl_handle_long, "L", __DESCR(descr))
 
 /* Oid for an unsigned long.  The pointer must be non NULL. */
 #define SYSCTL_ULONG(parent, nbr, name, access, ptr, val, descr) \
-	SYSCTL_OID(parent, nbr, name, CTLTYPE_ULONG|(access), \
+	SYSCTL_OID(parent, nbr, name, CTLTYPE_ULONG|CTLFLAG_MPSAFE|(access), \
 		ptr, val, sysctl_handle_long, "LU", __DESCR(descr))
 
 #define SYSCTL_ADD_ULONG(ctx, parent, nbr, name, access, ptr, descr)	    \
-	sysctl_add_oid(ctx, parent, nbr, name, CTLTYPE_ULONG|(access),	    \
+	sysctl_add_oid(ctx, parent, nbr, name, CTLTYPE_ULONG|CTLFLAG_MPSAFE|(access),	    \
 	ptr, 0, sysctl_handle_long, "LU", __DESCR(descr))
 
 #define SYSCTL_XLONG(parent, nbr, name, access, ptr, val, descr) \
-	SYSCTL_OID(parent, nbr, name, CTLTYPE_ULONG|(access), \
+	SYSCTL_OID(parent, nbr, name, CTLTYPE_ULONG|CTLFLAG_MPSAFE|(access), \
 		ptr, val, sysctl_handle_long, "LX", __DESCR(descr))
 
 #define SYSCTL_ADD_XLONG(ctx, parent, nbr, name, access, ptr, descr)	    \
-	sysctl_add_oid(ctx, parent, nbr, name, CTLTYPE_ULONG|(access),	    \
+	sysctl_add_oid(ctx, parent, nbr, name, CTLTYPE_ULONG|CTLFLAG_MPSAFE|(access),	    \
 	ptr, 0, sysctl_handle_long, "LX", __DESCR(descr))
 
 /* Oid for a quad.  The pointer must be non NULL. */
 #define SYSCTL_QUAD(parent, nbr, name, access, ptr, val, descr) \
-	SYSCTL_OID(parent, nbr, name, CTLTYPE_QUAD|(access), \
+	SYSCTL_OID(parent, nbr, name, CTLTYPE_QUAD|CTLFLAG_MPSAFE|(access), \
 		ptr, val, sysctl_handle_quad, "Q", __DESCR(descr))
 
 #define SYSCTL_ADD_QUAD(ctx, parent, nbr, name, access, ptr, descr)	    \
-	sysctl_add_oid(ctx, parent, nbr, name, CTLTYPE_QUAD|(access),	    \
+	sysctl_add_oid(ctx, parent, nbr, name, CTLTYPE_QUAD|CTLFLAG_MPSAFE|(access),	    \
 	ptr, 0, sysctl_handle_quad, "Q", __DESCR(descr))
 
 /* Oid for an opaque object.  Specified by a pointer and a length. */

Modified: head/sys/vm/vm_meter.c
==============================================================================
--- head/sys/vm/vm_meter.c	Fri Jan 23 22:46:45 2009	(r187657)
+++ head/sys/vm/vm_meter.c	Fri Jan 23 22:49:23 2009	(r187658)
@@ -90,8 +90,9 @@ sysctl_vm_loadavg(SYSCTL_HANDLER_ARGS)
 #endif
 		return SYSCTL_OUT(req, &averunnable, sizeof(averunnable));
 }
-SYSCTL_PROC(_vm, VM_LOADAVG, loadavg, CTLTYPE_STRUCT|CTLFLAG_RD, 
-    NULL, 0, sysctl_vm_loadavg, "S,loadavg", "Machine loadaverage history");
+SYSCTL_PROC(_vm, VM_LOADAVG, loadavg, CTLTYPE_STRUCT | CTLFLAG_RD |
+    CTLFLAG_MPSAFE, NULL, 0, sysctl_vm_loadavg, "S,loadavg",
+    "Machine loadaverage history");
 
 static int
 vmtotal(SYSCTL_HANDLER_ARGS)
@@ -109,7 +110,6 @@ vmtotal(SYSCTL_HANDLER_ARGS)
 	/*
 	 * Mark all objects as inactive.
 	 */
-	GIANT_REQUIRED;
 	mtx_lock(&vm_object_list_mtx);
 	TAILQ_FOREACH(object, &vm_object_list, object_list) {
 		if (!VM_OBJECT_TRYLOCK(object)) {
@@ -269,7 +269,7 @@ vcnt(SYSCTL_HANDLER_ARGS)
 	return (SYSCTL_OUT(req, &count, sizeof(int)));
 }
 
-SYSCTL_PROC(_vm, VM_TOTAL, vmtotal, CTLTYPE_OPAQUE|CTLFLAG_RD,
+SYSCTL_PROC(_vm, VM_TOTAL, vmtotal, CTLTYPE_OPAQUE|CTLFLAG_RD|CTLFLAG_MPSAFE,
     0, sizeof(struct vmtotal), vmtotal, "S,vmtotal", 
     "System virtual memory statistics");
 SYSCTL_NODE(_vm, OID_AUTO, stats, CTLFLAG_RW, 0, "VM meter stats");
@@ -279,103 +279,103 @@ static SYSCTL_NODE(_vm_stats, OID_AUTO, 
 	"VM meter vm stats");
 SYSCTL_NODE(_vm_stats, OID_AUTO, misc, CTLFLAG_RW, 0, "VM meter misc stats");
 
-SYSCTL_PROC(_vm_stats_sys, OID_AUTO, v_swtch, CTLTYPE_UINT|CTLFLAG_RD,
+SYSCTL_PROC(_vm_stats_sys, OID_AUTO, v_swtch, CTLTYPE_UINT|CTLFLAG_RD|CTLFLAG_MPSAFE,
 	&cnt.v_swtch, 0, vcnt, "IU", "Context switches");
-SYSCTL_PROC(_vm_stats_sys, OID_AUTO, v_trap, CTLTYPE_UINT|CTLFLAG_RD,
+SYSCTL_PROC(_vm_stats_sys, OID_AUTO, v_trap, CTLTYPE_UINT|CTLFLAG_RD|CTLFLAG_MPSAFE,
 	&cnt.v_trap, 0, vcnt, "IU", "Traps");
-SYSCTL_PROC(_vm_stats_sys, OID_AUTO, v_syscall, CTLTYPE_UINT|CTLFLAG_RD,
+SYSCTL_PROC(_vm_stats_sys, OID_AUTO, v_syscall, CTLTYPE_UINT|CTLFLAG_RD|CTLFLAG_MPSAFE,
 	&cnt.v_syscall, 0, vcnt, "IU", "Syscalls");
-SYSCTL_PROC(_vm_stats_sys, OID_AUTO, v_intr, CTLTYPE_UINT|CTLFLAG_RD,
+SYSCTL_PROC(_vm_stats_sys, OID_AUTO, v_intr, CTLTYPE_UINT|CTLFLAG_RD|CTLFLAG_MPSAFE,
 	&cnt.v_intr, 0, vcnt, "IU", "Hardware interrupts");
-SYSCTL_PROC(_vm_stats_sys, OID_AUTO, v_soft, CTLTYPE_UINT|CTLFLAG_RD,
+SYSCTL_PROC(_vm_stats_sys, OID_AUTO, v_soft, CTLTYPE_UINT|CTLFLAG_RD|CTLFLAG_MPSAFE,
 	&cnt.v_soft, 0, vcnt, "IU", "Software interrupts");
-SYSCTL_PROC(_vm_stats_vm, OID_AUTO, v_vm_faults, CTLTYPE_UINT|CTLFLAG_RD,
+SYSCTL_PROC(_vm_stats_vm, OID_AUTO, v_vm_faults, CTLTYPE_UINT|CTLFLAG_RD|CTLFLAG_MPSAFE,
 	&cnt.v_vm_faults, 0, vcnt, "IU", "VM faults");
-SYSCTL_PROC(_vm_stats_vm, OID_AUTO, v_cow_faults, CTLTYPE_UINT|CTLFLAG_RD,
+SYSCTL_PROC(_vm_stats_vm, OID_AUTO, v_cow_faults, CTLTYPE_UINT|CTLFLAG_RD|CTLFLAG_MPSAFE,
 	&cnt.v_cow_faults, 0, vcnt, "IU", "COW faults");
-SYSCTL_PROC(_vm_stats_vm, OID_AUTO, v_cow_optim, CTLTYPE_UINT|CTLFLAG_RD,
+SYSCTL_PROC(_vm_stats_vm, OID_AUTO, v_cow_optim, CTLTYPE_UINT|CTLFLAG_RD|CTLFLAG_MPSAFE,
 	&cnt.v_cow_optim, 0, vcnt, "IU", "Optimized COW faults");
-SYSCTL_PROC(_vm_stats_vm, OID_AUTO, v_zfod, CTLTYPE_UINT|CTLFLAG_RD,
+SYSCTL_PROC(_vm_stats_vm, OID_AUTO, v_zfod, CTLTYPE_UINT|CTLFLAG_RD|CTLFLAG_MPSAFE,
 	&cnt.v_zfod, 0, vcnt, "IU", "Zero fill");
-SYSCTL_PROC(_vm_stats_vm, OID_AUTO, v_ozfod, CTLTYPE_UINT|CTLFLAG_RD,
+SYSCTL_PROC(_vm_stats_vm, OID_AUTO, v_ozfod, CTLTYPE_UINT|CTLFLAG_RD|CTLFLAG_MPSAFE,
 	&cnt.v_ozfod, 0, vcnt, "IU", "Optimized zero fill");
-SYSCTL_PROC(_vm_stats_vm, OID_AUTO, v_swapin, CTLTYPE_UINT|CTLFLAG_RD,
+SYSCTL_PROC(_vm_stats_vm, OID_AUTO, v_swapin, CTLTYPE_UINT|CTLFLAG_RD|CTLFLAG_MPSAFE,
 	&cnt.v_swapin, 0, vcnt, "IU", "Swapin operations");
-SYSCTL_PROC(_vm_stats_vm, OID_AUTO, v_swapout, CTLTYPE_UINT|CTLFLAG_RD,
+SYSCTL_PROC(_vm_stats_vm, OID_AUTO, v_swapout, CTLTYPE_UINT|CTLFLAG_RD|CTLFLAG_MPSAFE,
 	&cnt.v_swapout, 0, vcnt, "IU", "Swapout operations");
-SYSCTL_PROC(_vm_stats_vm, OID_AUTO, v_swappgsin, CTLTYPE_UINT|CTLFLAG_RD,
+SYSCTL_PROC(_vm_stats_vm, OID_AUTO, v_swappgsin, CTLTYPE_UINT|CTLFLAG_RD|CTLFLAG_MPSAFE,
 	&cnt.v_swappgsin, 0, vcnt, "IU", "Swapin pages");
-SYSCTL_PROC(_vm_stats_vm, OID_AUTO, v_swappgsout, CTLTYPE_UINT|CTLFLAG_RD,
+SYSCTL_PROC(_vm_stats_vm, OID_AUTO, v_swappgsout, CTLTYPE_UINT|CTLFLAG_RD|CTLFLAG_MPSAFE,
 	&cnt.v_swappgsout, 0, vcnt, "IU", "Swapout pages");
-SYSCTL_PROC(_vm_stats_vm, OID_AUTO, v_vnodein, CTLTYPE_UINT|CTLFLAG_RD,
+SYSCTL_PROC(_vm_stats_vm, OID_AUTO, v_vnodein, CTLTYPE_UINT|CTLFLAG_RD|CTLFLAG_MPSAFE,
 	&cnt.v_vnodein, 0, vcnt, "IU", "Vnodein operations");
-SYSCTL_PROC(_vm_stats_vm, OID_AUTO, v_vnodeout, CTLTYPE_UINT|CTLFLAG_RD,
+SYSCTL_PROC(_vm_stats_vm, OID_AUTO, v_vnodeout, CTLTYPE_UINT|CTLFLAG_RD|CTLFLAG_MPSAFE,
 	&cnt.v_vnodeout, 0, vcnt, "IU", "Vnodeout operations");
-SYSCTL_PROC(_vm_stats_vm, OID_AUTO, v_vnodepgsin, CTLTYPE_UINT|CTLFLAG_RD,
+SYSCTL_PROC(_vm_stats_vm, OID_AUTO, v_vnodepgsin, CTLTYPE_UINT|CTLFLAG_RD|CTLFLAG_MPSAFE,
 	&cnt.v_vnodepgsin, 0, vcnt, "IU", "Vnodein pages");
-SYSCTL_PROC(_vm_stats_vm, OID_AUTO, v_vnodepgsout, CTLTYPE_UINT|CTLFLAG_RD,
+SYSCTL_PROC(_vm_stats_vm, OID_AUTO, v_vnodepgsout, CTLTYPE_UINT|CTLFLAG_RD|CTLFLAG_MPSAFE,
 	&cnt.v_vnodepgsout, 0, vcnt, "IU", "Vnodeout pages");
-SYSCTL_PROC(_vm_stats_vm, OID_AUTO, v_intrans, CTLTYPE_UINT|CTLFLAG_RD,
+SYSCTL_PROC(_vm_stats_vm, OID_AUTO, v_intrans, CTLTYPE_UINT|CTLFLAG_RD|CTLFLAG_MPSAFE,
 	&cnt.v_intrans, 0, vcnt, "IU", "In transit page blocking");
-SYSCTL_PROC(_vm_stats_vm, OID_AUTO, v_reactivated, CTLTYPE_UINT|CTLFLAG_RD,
+SYSCTL_PROC(_vm_stats_vm, OID_AUTO, v_reactivated, CTLTYPE_UINT|CTLFLAG_RD|CTLFLAG_MPSAFE,
 	&cnt.v_reactivated, 0, vcnt, "IU", "Reactivated pages");
-SYSCTL_PROC(_vm_stats_vm, OID_AUTO, v_pdwakeups, CTLTYPE_UINT|CTLFLAG_RD,
+SYSCTL_PROC(_vm_stats_vm, OID_AUTO, v_pdwakeups, CTLTYPE_UINT|CTLFLAG_RD|CTLFLAG_MPSAFE,
 	&cnt.v_pdwakeups, 0, vcnt, "IU", "Pagedaemon wakeups");
-SYSCTL_PROC(_vm_stats_vm, OID_AUTO, v_pdpages, CTLTYPE_UINT|CTLFLAG_RD,
+SYSCTL_PROC(_vm_stats_vm, OID_AUTO, v_pdpages, CTLTYPE_UINT|CTLFLAG_RD|CTLFLAG_MPSAFE,
 	&cnt.v_pdpages, 0, vcnt, "IU", "Pagedaemon page scans");
-SYSCTL_PROC(_vm_stats_vm, OID_AUTO, v_tcached, CTLTYPE_UINT|CTLFLAG_RD,
+SYSCTL_PROC(_vm_stats_vm, OID_AUTO, v_tcached, CTLTYPE_UINT|CTLFLAG_RD|CTLFLAG_MPSAFE,
 	&cnt.v_tcached, 0, vcnt, "IU", "Total pages cached");
-SYSCTL_PROC(_vm_stats_vm, OID_AUTO, v_dfree, CTLTYPE_UINT|CTLFLAG_RD,
+SYSCTL_PROC(_vm_stats_vm, OID_AUTO, v_dfree, CTLTYPE_UINT|CTLFLAG_RD|CTLFLAG_MPSAFE,
 	&cnt.v_dfree, 0, vcnt, "IU", "");
-SYSCTL_PROC(_vm_stats_vm, OID_AUTO, v_pfree, CTLTYPE_UINT|CTLFLAG_RD,
+SYSCTL_PROC(_vm_stats_vm, OID_AUTO, v_pfree, CTLTYPE_UINT|CTLFLAG_RD|CTLFLAG_MPSAFE,
 	&cnt.v_pfree, 0, vcnt, "IU", "");
-SYSCTL_PROC(_vm_stats_vm, OID_AUTO, v_tfree, CTLTYPE_UINT|CTLFLAG_RD,
+SYSCTL_PROC(_vm_stats_vm, OID_AUTO, v_tfree, CTLTYPE_UINT|CTLFLAG_RD|CTLFLAG_MPSAFE,
 	&cnt.v_tfree, 0, vcnt, "IU", "");
-SYSCTL_PROC(_vm_stats_vm, OID_AUTO, v_page_size, CTLTYPE_UINT|CTLFLAG_RD,
+SYSCTL_PROC(_vm_stats_vm, OID_AUTO, v_page_size, CTLTYPE_UINT|CTLFLAG_RD|CTLFLAG_MPSAFE,
 	&cnt.v_page_size, 0, vcnt, "IU", "");
-SYSCTL_PROC(_vm_stats_vm, OID_AUTO, v_page_count, CTLTYPE_UINT|CTLFLAG_RD,
+SYSCTL_PROC(_vm_stats_vm, OID_AUTO, v_page_count, CTLTYPE_UINT|CTLFLAG_RD|CTLFLAG_MPSAFE,
 	&cnt.v_page_count, 0, vcnt, "IU", "");
-SYSCTL_PROC(_vm_stats_vm, OID_AUTO, v_free_reserved, CTLTYPE_UINT|CTLFLAG_RD,
+SYSCTL_PROC(_vm_stats_vm, OID_AUTO, v_free_reserved, CTLTYPE_UINT|CTLFLAG_RD|CTLFLAG_MPSAFE,
 	&cnt.v_free_reserved, 0, vcnt, "IU", "");
-SYSCTL_PROC(_vm_stats_vm, OID_AUTO, v_free_target, CTLTYPE_UINT|CTLFLAG_RD,
+SYSCTL_PROC(_vm_stats_vm, OID_AUTO, v_free_target, CTLTYPE_UINT|CTLFLAG_RD|CTLFLAG_MPSAFE,
 	&cnt.v_free_target, 0, vcnt, "IU", "");
-SYSCTL_PROC(_vm_stats_vm, OID_AUTO, v_free_min, CTLTYPE_UINT|CTLFLAG_RD,
+SYSCTL_PROC(_vm_stats_vm, OID_AUTO, v_free_min, CTLTYPE_UINT|CTLFLAG_RD|CTLFLAG_MPSAFE,
 	&cnt.v_free_min, 0, vcnt, "IU", "");
-SYSCTL_PROC(_vm_stats_vm, OID_AUTO, v_free_count, CTLTYPE_UINT|CTLFLAG_RD,
+SYSCTL_PROC(_vm_stats_vm, OID_AUTO, v_free_count, CTLTYPE_UINT|CTLFLAG_RD|CTLFLAG_MPSAFE,
 	&cnt.v_free_count, 0, vcnt, "IU", "");
-SYSCTL_PROC(_vm_stats_vm, OID_AUTO, v_wire_count, CTLTYPE_UINT|CTLFLAG_RD,
+SYSCTL_PROC(_vm_stats_vm, OID_AUTO, v_wire_count, CTLTYPE_UINT|CTLFLAG_RD|CTLFLAG_MPSAFE,
 	&cnt.v_wire_count, 0, vcnt, "IU", "");
-SYSCTL_PROC(_vm_stats_vm, OID_AUTO, v_active_count, CTLTYPE_UINT|CTLFLAG_RD,
+SYSCTL_PROC(_vm_stats_vm, OID_AUTO, v_active_count, CTLTYPE_UINT|CTLFLAG_RD|CTLFLAG_MPSAFE,
 	&cnt.v_active_count, 0, vcnt, "IU", "");
-SYSCTL_PROC(_vm_stats_vm, OID_AUTO, v_inactive_target, CTLTYPE_UINT|CTLFLAG_RD,
+SYSCTL_PROC(_vm_stats_vm, OID_AUTO, v_inactive_target, CTLTYPE_UINT|CTLFLAG_RD|CTLFLAG_MPSAFE,
 	&cnt.v_inactive_target, 0, vcnt, "IU", "");
-SYSCTL_PROC(_vm_stats_vm, OID_AUTO, v_inactive_count, CTLTYPE_UINT|CTLFLAG_RD,
+SYSCTL_PROC(_vm_stats_vm, OID_AUTO, v_inactive_count, CTLTYPE_UINT|CTLFLAG_RD|CTLFLAG_MPSAFE,
 	&cnt.v_inactive_count, 0, vcnt, "IU", "");
-SYSCTL_PROC(_vm_stats_vm, OID_AUTO, v_cache_count, CTLTYPE_UINT|CTLFLAG_RD,
+SYSCTL_PROC(_vm_stats_vm, OID_AUTO, v_cache_count, CTLTYPE_UINT|CTLFLAG_RD|CTLFLAG_MPSAFE,
 	&cnt.v_cache_count, 0, vcnt, "IU", "");
-SYSCTL_PROC(_vm_stats_vm, OID_AUTO, v_cache_min, CTLTYPE_UINT|CTLFLAG_RD,
+SYSCTL_PROC(_vm_stats_vm, OID_AUTO, v_cache_min, CTLTYPE_UINT|CTLFLAG_RD|CTLFLAG_MPSAFE,
 	&cnt.v_cache_min, 0, vcnt, "IU", "");
-SYSCTL_PROC(_vm_stats_vm, OID_AUTO, v_cache_max, CTLTYPE_UINT|CTLFLAG_RD,
+SYSCTL_PROC(_vm_stats_vm, OID_AUTO, v_cache_max, CTLTYPE_UINT|CTLFLAG_RD|CTLFLAG_MPSAFE,
 	&cnt.v_cache_max, 0, vcnt, "IU", "");
-SYSCTL_PROC(_vm_stats_vm, OID_AUTO, v_pageout_free_min, CTLTYPE_UINT|CTLFLAG_RD,
+SYSCTL_PROC(_vm_stats_vm, OID_AUTO, v_pageout_free_min, CTLTYPE_UINT|CTLFLAG_RD|CTLFLAG_MPSAFE,
 	&cnt.v_pageout_free_min, 0, vcnt, "IU", "");
-SYSCTL_PROC(_vm_stats_vm, OID_AUTO, v_interrupt_free_min, CTLTYPE_UINT|CTLFLAG_RD,
+SYSCTL_PROC(_vm_stats_vm, OID_AUTO, v_interrupt_free_min, CTLTYPE_UINT|CTLFLAG_RD|CTLFLAG_MPSAFE,
 	&cnt.v_interrupt_free_min, 0, vcnt, "IU", "");
-SYSCTL_PROC(_vm_stats_vm, OID_AUTO, v_forks, CTLTYPE_UINT|CTLFLAG_RD,
+SYSCTL_PROC(_vm_stats_vm, OID_AUTO, v_forks, CTLTYPE_UINT|CTLFLAG_RD|CTLFLAG_MPSAFE,
 	&cnt.v_forks, 0, vcnt, "IU", "Number of fork() calls");
-SYSCTL_PROC(_vm_stats_vm, OID_AUTO, v_vforks, CTLTYPE_UINT|CTLFLAG_RD,
+SYSCTL_PROC(_vm_stats_vm, OID_AUTO, v_vforks, CTLTYPE_UINT|CTLFLAG_RD|CTLFLAG_MPSAFE,
 	&cnt.v_vforks, 0, vcnt, "IU", "Number of vfork() calls");
-SYSCTL_PROC(_vm_stats_vm, OID_AUTO, v_rforks, CTLTYPE_UINT|CTLFLAG_RD,
+SYSCTL_PROC(_vm_stats_vm, OID_AUTO, v_rforks, CTLTYPE_UINT|CTLFLAG_RD|CTLFLAG_MPSAFE,
 	&cnt.v_rforks, 0, vcnt, "IU", "Number of rfork() calls");
-SYSCTL_PROC(_vm_stats_vm, OID_AUTO, v_kthreads, CTLTYPE_UINT|CTLFLAG_RD,
+SYSCTL_PROC(_vm_stats_vm, OID_AUTO, v_kthreads, CTLTYPE_UINT|CTLFLAG_RD|CTLFLAG_MPSAFE,
 	&cnt.v_kthreads, 0, vcnt, "IU", "Number of fork() calls by kernel");
-SYSCTL_PROC(_vm_stats_vm, OID_AUTO, v_forkpages, CTLTYPE_UINT|CTLFLAG_RD,
+SYSCTL_PROC(_vm_stats_vm, OID_AUTO, v_forkpages, CTLTYPE_UINT|CTLFLAG_RD|CTLFLAG_MPSAFE,
 	&cnt.v_forkpages, 0, vcnt, "IU", "VM pages affected by fork()");
-SYSCTL_PROC(_vm_stats_vm, OID_AUTO, v_vforkpages, CTLTYPE_UINT|CTLFLAG_RD,
+SYSCTL_PROC(_vm_stats_vm, OID_AUTO, v_vforkpages, CTLTYPE_UINT|CTLFLAG_RD|CTLFLAG_MPSAFE,
 	&cnt.v_vforkpages, 0, vcnt, "IU", "VM pages affected by vfork()");
-SYSCTL_PROC(_vm_stats_vm, OID_AUTO, v_rforkpages, CTLTYPE_UINT|CTLFLAG_RD,
+SYSCTL_PROC(_vm_stats_vm, OID_AUTO, v_rforkpages, CTLTYPE_UINT|CTLFLAG_RD|CTLFLAG_MPSAFE,
 	&cnt.v_rforkpages, 0, vcnt, "IU", "VM pages affected by rfork()");
-SYSCTL_PROC(_vm_stats_vm, OID_AUTO, v_kthreadpages, CTLTYPE_UINT|CTLFLAG_RD,
+SYSCTL_PROC(_vm_stats_vm, OID_AUTO, v_kthreadpages, CTLTYPE_UINT|CTLFLAG_RD|CTLFLAG_MPSAFE,
 	&cnt.v_kthreadpages, 0, vcnt, "IU", "VM pages affected by fork() by kernel");
 
 SYSCTL_INT(_vm_stats_misc, OID_AUTO,



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