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-rw-r--r--ChangeLog8
-rw-r--r--malloc/malloc.c9
2 files changed, 13 insertions, 4 deletions
diff --git a/ChangeLog b/ChangeLog
index ddb72d8710..342c1fe6a4 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+2000-07-21  Wolfram Gloger  <wg@malloc.de>
+
+	* malloc/malloc.c (chunk_alloc): Try mmap_chunk() for smaller
+	allocations only if a non-main arena cannot be extended.
+
 2000-07-21  Ulrich Drepper  <drepper@redhat.com>
 
 	* elf/dl-load.c (_dl_map_object): Take loader==NULL into account
@@ -21,7 +26,8 @@
 
 2000-07-21  Greg McGary  <greg@mcgary.org>
 
-	* sysdeps/powerpc/bp-asm.h (DISCARD_BOUNDS): Rename from UNCHECK_BOUNDS.
+	* sysdeps/powerpc/bp-asm.h (DISCARD_BOUNDS): Rename from
+	UNCHECK_BOUNDS.
 	* sysdeps/powerpc/bits/setjmp.h (JB_SIZE): New constant.
 	* sysdeps/powerpc/elf/libc-start.c (__libc_start_main):
 	Wrap bounds around argv & envp and each of their string members.
diff --git a/malloc/malloc.c b/malloc/malloc.c
index 68d8752de6..ce8de8015b 100644
--- a/malloc/malloc.c
+++ b/malloc/malloc.c
@@ -2938,9 +2938,12 @@ chunk_alloc(ar_ptr, nb) arena *ar_ptr; INTERNAL_SIZE_T nb;
     if ((remainder_size = chunksize(top(ar_ptr)) - nb) < (long)MINSIZE)
     {
 #if HAVE_MMAP
-      /* A last attempt:  when we are out of address space in the arena,
-         try mmap anyway, as long as it is allowed at all.  */
-      if (n_mmaps_max > 0 && (victim = mmap_chunk(nb)) != 0)
+      /* A last attempt: when we are out of address space in a
+         non-main arena, try mmap anyway, as long as it is allowed at
+         all.  */
+      if (ar_ptr != &main_arena &&
+          n_mmaps_max > 0 &&
+          (victim = mmap_chunk(nb)) != 0)
         return victim;
 #endif
       return 0; /* propagate failure */