ntdll: Set a proper HEAP_MIN_DATA_SIZE on 64-bit platforms.

4ed286b4 · Alexandre Julliard · 13163349 · 4ed286b4
Commit 4ed286b4 authored Jul 21, 2006 by Alexandre Julliard
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heap.c dlls/ntdll/heap.c +2 -1

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--- a/dlls/ntdll/heap.c
+++ b/dlls/ntdll/heap.c
@@ -84,7 +84,8 @@ typedef struct tagARENA_FREE
 #define NOISY                  0           /* Report all errors  */

 /* minimum data size (without arenas) of an allocated block */
-#define HEAP_MIN_DATA_SIZE    16
+/* make sure that it's larger than a free list entry */
+#define HEAP_MIN_DATA_SIZE    (2 * sizeof(struct list))
 /* minimum size that must remain to shrink an allocated block */
 #define HEAP_MIN_SHRINK_SIZE  (HEAP_MIN_DATA_SIZE+sizeof(ARENA_FREE))