Index: linux-2.6.16.16/kernel/ipipe/tracer.c
===================================================================
--- linux-2.6.16.16.orig/kernel/ipipe/tracer.c
+++ linux-2.6.16.16/kernel/ipipe/tracer.c
@@ -27,6 +27,7 @@
 #include <linux/seq_file.h>
 #include <linux/proc_fs.h>
 #include <linux/ctype.h>
+#include <linux/vmalloc.h>
 #include <linux/ipipe_trace.h>
 #include <asm/uaccess.h>
 
@@ -86,14 +87,9 @@ enum ipipe_trace_type
 };
 
 
-int ipipe_trace_enable = 1;
+int ipipe_trace_enable = 0;
 
-static struct ipipe_trace_path trace_paths[NR_CPUS][IPIPE_TRACE_PATHS] =
-	{ [0 ... NR_CPUS-1] =
-		{ [0 ... IPIPE_TRACE_PATHS-1] =
-			{ .begin = -1, .end = -1 }
-		}
-	};
+static struct ipipe_trace_path *trace_paths[NR_CPUS];
 static int active_path[NR_CPUS] =
 	{ [0 ... NR_CPUS-1] = IPIPE_DEFAULT_ACTIVE };
 static int max_path[NR_CPUS] =
@@ -1101,6 +1097,18 @@ void __init __ipipe_init_trace_proc(void
 {
 	struct proc_dir_entry *trace_dir;
 	struct proc_dir_entry *entry;
+	int i,j;
+
+	for (i = 0; i < NR_CPUS; i++) {
+		trace_paths[i] = vmalloc(sizeof(struct ipipe_trace_path) * IPIPE_TRACE_PATHS);
+		if (!trace_paths)
+			return;
+		for (j = 0; j < IPIPE_TRACE_PATHS; j++) {
+			trace_paths[i][j].begin = -1;
+			trace_paths[i][j].end   = -1;
+		}
+	}
+	ipipe_trace_enable = 1;
 
 	trace_dir = create_proc_entry("trace", S_IFDIR, ipipe_proc_root);