From 5a911c6263debfd1a6466839bfa2865553049180 Mon Sep 17 00:00:00 2001
From: Doug Rabson <dfr@FreeBSD.org>
Date: Mon, 19 Oct 1998 09:08:40 +0000
Subject: [PATCH] Implement a hook to allow us to reclaim the memory used by
 the first stage of the bootstrap (the bit which loads /boot/loader).

---
 lib/libstand/stand.h         |  5 ++++-
 lib/libstand/zalloc_malloc.c | 11 ++++++++++-
 2 files changed, 14 insertions(+), 2 deletions(-)

diff --git a/lib/libstand/stand.h b/lib/libstand/stand.h
index 4199fd672e46..251e7e8de124 100644
--- a/lib/libstand/stand.h
+++ b/lib/libstand/stand.h
@@ -23,7 +23,7 @@
  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  * SUCH DAMAGE.
  *
- *	$Id: stand.h,v 1.6 1998/09/26 10:48:50 dfr Exp $
+ *	$Id: stand.h,v 1.7 1998/10/06 19:23:57 msmith Exp $
  * From	$NetBSD: stand.h,v 1.22 1997/06/26 19:17:40 drochner Exp $	
  */
 
@@ -181,6 +181,9 @@ extern void	*calloc(size_t n1, size_t n2);
 extern void	*realloc(void *ptr, size_t size);
 extern void	*reallocf(void *ptr, size_t size);
 extern void	mallocstats(void);
+#ifdef __alpha__
+extern void	free_region(void *start, void *end);
+#endif
 
 /* disklabel support (undocumented, may be junk) */
 struct		disklabel;
diff --git a/lib/libstand/zalloc_malloc.c b/lib/libstand/zalloc_malloc.c
index 6cb4953ef312..d70a8f7577c0 100644
--- a/lib/libstand/zalloc_malloc.c
+++ b/lib/libstand/zalloc_malloc.c
@@ -26,7 +26,7 @@
  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  * SUCH DAMAGE.
  *
- *	$Id: zalloc_malloc.c,v 1.2 1998/09/26 10:48:50 dfr Exp $
+ *	$Id: zalloc_malloc.c,v 1.3 1998/10/01 17:35:08 msmith Exp $
  */
 
 /*
@@ -49,6 +49,15 @@ void mallocstats(void);
 #undef free
 #endif
 
+#ifdef __alpha__
+void
+free_region(void *start, void *end)
+{
+    zextendPool(&MallocPool, start, (caddr_t)end - (caddr_t)start);
+    zfree(&MallocPool, start, (caddr_t)end - (caddr_t)start);
+}
+#endif
+
 void *
 malloc(size_t bytes)
 {