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-rw-r--r--winsup/cygwin/heap.cc2
1 files changed, 1 insertions, 1 deletions
diff --git a/winsup/cygwin/heap.cc b/winsup/cygwin/heap.cc
index 739b59711..7dd74979c 100644
--- a/winsup/cygwin/heap.cc
+++ b/winsup/cygwin/heap.cc
@@ -47,7 +47,7 @@ heap_init ()
* to assure contiguous memory. */
cygheap->user_heap.ptr = cygheap->user_heap.top =
cygheap->user_heap.base =
- VirtualAlloc (NULL, cygheap->user_heap.chunk, MEM_RESERVE, PAGE_NOACCESS);
+ VirtualAlloc (NULL, cygheap->user_heap.chunk, MEM_RESERVE | MEM_TOP_DOWN, PAGE_NOACCESS);
if (cygheap->user_heap.base)
break;
cygheap->user_heap.chunk -= 1 * 1024 * 1024;