From 8ec6e44b75987c14571bd380fbcfe78e22624940 Mon Sep 17 00:00:00 2001
From: alc <alc@FreeBSD.org>
Date: Sat, 4 Sep 2004 05:51:54 +0000
Subject: Enable debug.mpsafevm by default on amd64 and i386.  This enables
 copy-on- write and zero-fill faults to run without holding Giant.  It is
 still possible to disable Giant-free operation by setting debug.mpsafevm to 0
 in loader.conf.

---
 sys/vm/vm_meter.c | 4 ++++
 1 file changed, 4 insertions(+)

(limited to 'sys/vm/vm_meter.c')

diff --git a/sys/vm/vm_meter.c b/sys/vm/vm_meter.c
index 3f2caf3..4c09acd 100644
--- a/sys/vm/vm_meter.c
+++ b/sys/vm/vm_meter.c
@@ -55,7 +55,11 @@ __FBSDID("$FreeBSD$");
 /*
  * Virtual memory MPSAFE temporary workarounds.
  */
+#if defined(__amd64__) || defined(__i386__)
+int debug_mpsafevm = 1;
+#else
 int debug_mpsafevm;
+#endif
 TUNABLE_INT("debug.mpsafevm", &debug_mpsafevm);
 SYSCTL_INT(_debug, OID_AUTO, mpsafevm, CTLFLAG_RD, &debug_mpsafevm, 0,
     "Enable/disable MPSAFE virtual memory support");
-- 
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