From: Dan Nicolaescu <dann@ics.uci.edu>
Date: Fri, 20 Aug 2010 23:02:11 +0000 (-0700)
Subject: Remove unused variables malloc_sbrk_used and malloc_sbrk_unused.
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Remove unused variables malloc_sbrk_used and malloc_sbrk_unused.
* src/alloc.c (malloc_sbrk_used, malloc_sbrk_unused): Remove,
write only.
(init_alloc_once): Remove writes to malloc_sbrk_unused, and
malloc_sbrk_used, nothing uses them.
---

diff --git a/src/ChangeLog b/src/ChangeLog
index 6b64beb0ca6..6469ad731b3 100644
--- a/src/ChangeLog
+++ b/src/ChangeLog
@@ -1,5 +1,10 @@
 2010-08-20  Dan Nicolaescu  <dann@ics.uci.edu>
 
+	* alloc.c (malloc_sbrk_used, malloc_sbrk_unused): Remove,
+	write only.
+	(init_alloc_once): Remove writes to malloc_sbrk_unused, and
+	malloc_sbrk_used, nothing uses them.
+
 	* puresize.h: Remove code assuming PNTR_COMPARISON_TYPE is not
 	defined, unconditionally defined in lisp.h.
 
diff --git a/src/alloc.c b/src/alloc.c
index 473c5622ab3..1f615a7d505 100644
--- a/src/alloc.c
+++ b/src/alloc.c
@@ -214,16 +214,6 @@ int abort_on_gc;
 
 int garbage_collection_messages;
 
-#ifndef VIRT_ADDR_VARIES
-extern
-#endif /* VIRT_ADDR_VARIES */
-int malloc_sbrk_used;
-
-#ifndef VIRT_ADDR_VARIES
-extern
-#endif /* VIRT_ADDR_VARIES */
-int malloc_sbrk_unused;
-
 /* Number of live and free conses etc.  */
 
 static int total_conses, total_markers, total_symbols, total_vector_size;
@@ -6178,11 +6168,6 @@ init_alloc_once (void)
   consing_since_gc = 0;
   gc_cons_threshold = 100000 * sizeof (Lisp_Object);
   gc_relative_threshold = 0;
-
-#ifdef VIRT_ADDR_VARIES
-  malloc_sbrk_unused = 1<<22;	/* A large number */
-  malloc_sbrk_used = 100000;	/* as reasonable as any number */
-#endif /* VIRT_ADDR_VARIES */
 }
 
 void