introduce symbolic constant for initial number of regions

1 files changed, 3 insertions, 2 deletions

diff --git a/src/lib/libc/stdlib/malloc.c b/src/lib/libc/stdlib/malloc.c
index 2a1ec5e21e..8ab9f355e9 100644
--- a/src/lib/libc/stdlib/malloc.c
+++ b/src/lib/libc/stdlib/malloc.c
@@ -1,4 +1,4 @@
-/*      $OpenBSD: malloc.c,v 1.135 2011/05/18 18:07:20 otto Exp $       */
+/*      $OpenBSD: malloc.c,v 1.136 2011/05/18 18:09:37 otto Exp $       */
 /*
  * Copyright (c) 2008 Otto Moerbeek <otto@drijf.net>
  *
@@ -67,6 +67,7 @@
 #define MALLOC_MAXCHUNK         (1 << MALLOC_MAXSHIFT)
 #define MALLOC_MAXCACHE         256
 #define MALLOC_DELAYED_CHUNKS   15      /* max of getrnibble() */
+#define MALLOC_INITIAL_REGIONS  512
 /*
  * When the P option is active, we move allocations between half a page
  * and a whole page towards the end, subject to alignment constraints.
@@ -603,7 +604,7 @@ omalloc_init(struct dir_info **dp)
         d = (struct dir_info *)(p + MALLOC_PAGESIZE +
             (arc4random_uniform(d_avail) << MALLOC_MINSHIFT));
 
-        d->regions_free = d->regions_total = 512;
+        d->regions_free = d->regions_total = MALLOC_INITIAL_REGIONS;
         regioninfo_size = d->regions_total * sizeof(struct region_info);
         d->r = MMAP(regioninfo_size);
         if (d->r == MAP_FAILED) {