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-rw-r--r--src/ralloc.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/src/ralloc.c b/src/ralloc.c
index d9fb639379b..d5248f2cb0a 100644
--- a/src/ralloc.c
+++ b/src/ralloc.c
@@ -56,6 +56,8 @@ typedef unsigned long SIZE;
overlap. */
extern void safe_bcopy ();
+extern int __malloc_extra_blocks;
+
#else /* not emacs */
#include <stddef.h>
@@ -1002,6 +1004,10 @@ r_alloc_init ()
page_size = PAGE;
extra_bytes = ROUNDUP (50000);
+ /* Give GNU malloc's morecore some hysteresis
+ so that we move all the relocatable blocks much less often. */
+ __malloc_extra_blocks = 64;
+
first_heap->end = (POINTER) ROUNDUP (first_heap->start);
/* The extra call to real_morecore guarantees that the end of the