diff --git a/lib/libc/stdlib/malloc.c b/lib/libc/stdlib/malloc.c
index 4e483e6a6140..7425796a392f 100644
--- a/lib/libc/stdlib/malloc.c
+++ b/lib/libc/stdlib/malloc.c
@@ -48,6 +48,11 @@
 #       define malloc_pageshift		12U
 #       define malloc_minsize		16U
 #   endif
+#   if defined(__ia64__)
+	static int malloc_pageshift_value;
+#	define malloc_pageshift		malloc_pageshift_value
+#       define malloc_minsize		16U
+#   endif
 #   if defined(__alpha__)
 #       define malloc_pageshift		13U
 #       define malloc_minsize		16U
@@ -396,6 +401,12 @@ malloc_init ()
 
     INIT_MMAP();
 
+#ifdef __ia64__
+    malloc_pageshift = 0;
+    while ((1L << malloc_pageshift) < getpagesize())
+	    malloc_pageshift++;
+#endif
+
 #ifdef EXTRA_SANITY
     malloc_junk = 1;
 #endif /* EXTRA_SANITY */