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-rw-r--r--erts/emulator/beam/erl_vm.h9
1 files changed, 5 insertions, 4 deletions
diff --git a/erts/emulator/beam/erl_vm.h b/erts/emulator/beam/erl_vm.h
index 48fa99934e..e7fd144ec3 100644
--- a/erts/emulator/beam/erl_vm.h
+++ b/erts/emulator/beam/erl_vm.h
@@ -1,7 +1,7 @@
/*
* %CopyrightBegin%
*
- * Copyright Ericsson AB 1996-2010. All Rights Reserved.
+ * Copyright Ericsson AB 1996-2011. All Rights Reserved.
*
* The contents of this file are subject to the Erlang Public License,
* Version 1.1, (the "License"); you may not use this file except in
@@ -47,7 +47,7 @@
#define SEQ_TRACE 1
#define CONTEXT_REDS 2000 /* Swap process out after this number */
-#define MAX_ARG 256 /* Max number of arguments allowed */
+#define MAX_ARG 255 /* Max number of arguments allowed */
#define MAX_REG 1024 /* Max number of x(N) registers used */
/* Scheduler stores data for temporary heaps if
@@ -120,14 +120,15 @@
* Allocate heap memory, first on the ordinary heap;
* failing that, in a heap fragment.
*/
-#define HAlloc(p, sz) \
+#define HAllocX(p, sz, xtra) \
(ASSERT_EXPR((sz) >= 0), \
ErtsHAllocLockCheck(p), \
(IS_FORCE_HEAP_FRAGS || (((HEAP_LIMIT(p) - HEAP_TOP(p)) < (sz))) \
- ? erts_heap_alloc((p),(sz)) \
+ ? erts_heap_alloc((p),(sz),(xtra)) \
: (INIT_HEAP_MEM(p,sz), \
HEAP_TOP(p) = HEAP_TOP(p) + (sz), HEAP_TOP(p) - (sz))))
+#define HAlloc(P, SZ) HAllocX(P,SZ,0)
#define HRelease(p, endp, ptr) \
if ((ptr) == (endp)) { \