scratch/no-purespace 2a97c745ab8: Remove unused function my_heap_start

[Stefan Kangas]

branch: scratch/no-purespace
commit 2a97c745ab8d7837ecfb0d5b7d59b82f1385bf0f
Author: Stefan Kangas <stefankangas@gmail.com>
Commit: Stefan Kangas <stefankangas@gmail.com>

    Remove unused function my_heap_start
    
    * src/alloc.c (my_heap_start) [DOUG_LEA_MALLOC && GNU_LINUX]:
    Remove unused function.  Update callers.
---
 src/alloc.c | 19 -------------------
 1 file changed, 19 deletions(-)

diff --git a/src/alloc.c b/src/alloc.c
index 354d01f5a58..98f3bd6c555 100644
--- a/src/alloc.c
+++ b/src/alloc.c
@@ -219,9 +219,6 @@ malloc_initialize_hook (void)
 
   if (! initialized)
     {
-# ifdef GNU_LINUX
-      my_heap_start ();
-# endif
       malloc_using_checking = getenv ("MALLOC_CHECK_") != NULL;
     }
   else
@@ -257,22 +254,6 @@ voidfuncptr __MALLOC_HOOK_VOLATILE 
__malloc_initialize_hook EXTERNALLY_VISIBLE
 
 #endif
 
-#if defined DOUG_LEA_MALLOC
-# ifdef GNU_LINUX
-
-/* The address where the heap starts.  */
-void *
-my_heap_start (void)
-{
-  static void *start;
-  if (! start)
-    start = sbrk (0);
-  return start;
-}
-# endif
-
-#endif
-
 /* Mark, unmark, query mark bit of a Lisp string.  S must be a pointer
    to a struct Lisp_String.  */