From 3d3b036f9541230485c7edd1fafaec6e4345641a Mon Sep 17 00:00:00 2001
From: mdf <mdf@FreeBSD.org>
Date: Fri, 13 May 2011 19:35:01 +0000
Subject: Move the ZERO_REGION_SIZE to a machine-dependent file, as on many
 architectures (i386, for example) the virtual memory space may be constrained
 enough that 2MB is a large chunk.  Use 64K for arches other than amd64 and
 ia64, with special handling for sparc64 due to differing hardware.

Also commit the comment changes to kmem_init_zero_region() that I
missed due to not saving the file.  (Darn the unfamiliar development
environment).

Arch maintainers, please feel free to adjust ZERO_REGION_SIZE as you
see fit.

Requested by:	alc
MFC after:	1 week
MFC with:	r221853
---
 sys/dev/null/null.c | 2 ++
 1 file changed, 2 insertions(+)

(limited to 'sys/dev/null/null.c')

diff --git a/sys/dev/null/null.c b/sys/dev/null/null.c
index 04619b2..b053d5d 100644
--- a/sys/dev/null/null.c
+++ b/sys/dev/null/null.c
@@ -39,7 +39,9 @@ __FBSDID("$FreeBSD$");
 #include <sys/priv.h>
 #include <sys/disk.h>
 #include <sys/bus.h>
+
 #include <machine/bus.h>
+#include <machine/vmparam.h>
 
 /* For use with destroy_dev(9). */
 static struct cdev *null_dev;
-- 
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