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diff --git a/nptl/sysdeps/pthread/allocalim.h b/nptl/sysdeps/pthread/allocalim.h
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+/* Determine whether block of given size can be allocated on the stack or not.
+   Copyright (C) 2002 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Library General Public License as
+   published by the Free Software Foundation; either version 2 of the
+   License, or (at your option) any later version.
+
+   The GNU C Library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Library General Public License for more details.
+
+   You should have received a copy of the GNU Library General Public
+   License along with the GNU C Library; see the file COPYING.LIB.  If not,
+   write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+   Boston, MA 02111-1307, USA.  */
+
+#include <alloca.h>
+#include <limits.h>
+
+
+extern inline int
+__libc_use_alloca (size_t size)
+{
+  return (__builtin_expect (size <= PTHREAD_STACK_MIN / 4, 1)
+	  || __libc_alloca_cutoff (size));
+}