2 files changed, 6 insertions, 0 deletions

diff --git a/src/ChangeLog b/src/ChangeLog
index a2848ead2cc..fa04a7ebfe5 100644
--- a/src/ChangeLog
+++ b/src/ChangeLog
@@ -1,5 +1,8 @@
 2011-04-16  Paul Eggert  <eggert@cs.ucla.edu>
 
+        * insdel.c (make_gap_smaller): Define only if
+        USE_MMAP_FOR_BUFFERS || REL_ALLOC || DOUG_LEA_MALLOC.
+
         * keyboard.c (read_char): Make a var volatile so longjmp won't clobber
         it.
 
diff --git a/src/insdel.c b/src/insdel.c
index 82dce13af98..5ecb01c9538 100644
--- a/src/insdel.c
+++ b/src/insdel.c
@@ -442,6 +442,7 @@ make_gap_larger (EMACS_INT nbytes_added)
   Vinhibit_quit = tem;
 }
 
+#if defined USE_MMAP_FOR_BUFFERS || defined REL_ALLOC || defined DOUG_LEA_MALLOC
 
 /* Make the gap NBYTES_REMOVED bytes shorter.  */
 
@@ -501,6 +502,8 @@ make_gap_smaller (EMACS_INT nbytes_removed)
   Vinhibit_quit = tem;
 }
 
+#endif /* USE_MMAP_FOR_BUFFERS || REL_ALLOC || DOUG_LEA_MALLOC */
+
 void
 make_gap (EMACS_INT nbytes_added)
 {