1 files changed, 59 insertions, 0 deletions
diff --git a/tools/testing/radix-tree/maple.c b/tools/testing/radix-tree/maple.c
new file mode 100644
index 000000000000..35082671928a
--- /dev/null
+++ b/tools/testing/radix-tree/maple.c
@@ -0,0 +1,59 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * maple_tree.c: Userspace shim for maple tree test-suite
+ * Copyright (c) 2018 Liam R. Howlett <Liam.Howlett@Oracle.com>
+ */
+
+#define CONFIG_DEBUG_MAPLE_TREE
+#define CONFIG_MAPLE_SEARCH
+#include "test.h"
+
+#define module_init(x)
+#define module_exit(x)
+#define MODULE_AUTHOR(x)
+#define MODULE_LICENSE(x)
+#define dump_stack()	assert(0)
+
+#include "../../../lib/maple_tree.c"
+#undef CONFIG_DEBUG_MAPLE_TREE
+#include "../../../lib/test_maple_tree.c"
+
+void farmer_tests(void)
+{
+	struct maple_node *node;
+	DEFINE_MTREE(tree);
+
+	mt_dump(&tree);
+
+	tree.ma_root = xa_mk_value(0);
+	mt_dump(&tree);
+
+	node = mt_alloc_one(GFP_KERNEL);
+	node->parent = (void *)((unsigned long)(&tree) | 1);
+	node->slot[0] = xa_mk_value(0);
+	node->slot[1] = xa_mk_value(1);
+	node->mr64.pivot[0] = 0;
+	node->mr64.pivot[1] = 1;
+	node->mr64.pivot[2] = 0;
+	tree.ma_root = mt_mk_node(node, maple_leaf_64);
+	mt_dump(&tree);
+
+	ma_free_rcu(node);
+}
+
+void maple_tree_tests(void)
+{
+	farmer_tests();
+	maple_tree_seed();
+	maple_tree_harvest();
+}
+
+int __weak main(void)
+{
+	maple_tree_init();
+	maple_tree_tests();
+	rcu_barrier();
+	if (nr_allocated)
+		printf("nr_allocated = %d\n", nr_allocated);
+	return 0;
+}