[PATCH v2 13/16] maple_tree: Update mas_preallocate() testing

[Liam R. Howlett]

Signed-off-by: Liam R. Howlett <Liam.Howlett at oracle.com>
---
 tools/testing/radix-tree/maple.c | 27 ++++++++++++++++-----------
 1 file changed, 16 insertions(+), 11 deletions(-)

diff --git a/tools/testing/radix-tree/maple.c b/tools/testing/radix-tree/maple.c
index cfadc4b75d51..c42033172276 100644
--- a/tools/testing/radix-tree/maple.c
+++ b/tools/testing/radix-tree/maple.c
@@ -35383,6 +35383,8 @@ static noinline void __init check_prealloc(struct maple_tree *mt)
 	for (i = 0; i <= max; i++)
 		mtree_test_store_range(mt, i * 10, i * 10 + 5, &i);
 
+	/* Spanning store */
+	mas_set_range(&mas, 470, 500);
 	MT_BUG_ON(mt, mas_preallocate(&mas, ptr, GFP_KERNEL) != 0);
 	allocated = mas_allocated(&mas);
 	height = mas_mt_height(&mas);
@@ -35406,7 +35408,6 @@ static noinline void __init check_prealloc(struct maple_tree *mt)
 	MT_BUG_ON(mt, mas_preallocate(&mas, ptr, GFP_KERNEL) != 0);
 	allocated = mas_allocated(&mas);
 	height = mas_mt_height(&mas);
-	MT_BUG_ON(mt, allocated == 0);
 	MT_BUG_ON(mt, allocated != 1 + height * 3);
 	mn = mas_pop_node(&mas);
 	MT_BUG_ON(mt, mas_allocated(&mas) != allocated - 1);
@@ -35420,7 +35421,6 @@ static noinline void __init check_prealloc(struct maple_tree *mt)
 	MT_BUG_ON(mt, mas_preallocate(&mas, ptr, GFP_KERNEL) != 0);
 	allocated = mas_allocated(&mas);
 	height = mas_mt_height(&mas);
-	MT_BUG_ON(mt, allocated == 0);
 	MT_BUG_ON(mt, allocated != 1 + height * 3);
 	mn = mas_pop_node(&mas);
 	MT_BUG_ON(mt, mas_allocated(&mas) != allocated - 1);
@@ -35434,7 +35434,6 @@ static noinline void __init check_prealloc(struct maple_tree *mt)
 	MT_BUG_ON(mt, mas_preallocate(&mas, ptr, GFP_KERNEL) != 0);
 	allocated = mas_allocated(&mas);
 	height = mas_mt_height(&mas);
-	MT_BUG_ON(mt, allocated == 0);
 	MT_BUG_ON(mt, allocated != 1 + height * 3);
 	mn = mas_pop_node(&mas);
 	MT_BUG_ON(mt, mas_allocated(&mas) != allocated - 1);
@@ -35448,33 +35447,37 @@ static noinline void __init check_prealloc(struct maple_tree *mt)
 	MT_BUG_ON(mt, mas_preallocate(&mas, ptr, GFP_KERNEL) != 0);
 	allocated = mas_allocated(&mas);
 	height = mas_mt_height(&mas);
-	MT_BUG_ON(mt, allocated == 0);
 	MT_BUG_ON(mt, allocated != 1 + height * 3);
 	mas_store_prealloc(&mas, ptr);
 	MT_BUG_ON(mt, mas_allocated(&mas) != 0);
 
+	/* Slot store does not need allocations */
+	mas_set_range(&mas, 6, 9);
 	MT_BUG_ON(mt, mas_preallocate(&mas, ptr, GFP_KERNEL) != 0);
 	allocated = mas_allocated(&mas);
-	height = mas_mt_height(&mas);
-	MT_BUG_ON(mt, allocated == 0);
-	MT_BUG_ON(mt, allocated != 1 + height * 3);
+	MT_BUG_ON(mt, allocated != 0);
 	mas_store_prealloc(&mas, ptr);
 	MT_BUG_ON(mt, mas_allocated(&mas) != 0);
+
+	mas_set_range(&mas, 6, 10);
 	MT_BUG_ON(mt, mas_preallocate(&mas, ptr, GFP_KERNEL) != 0);
 	allocated = mas_allocated(&mas);
 	height = mas_mt_height(&mas);
-	MT_BUG_ON(mt, allocated == 0);
-	MT_BUG_ON(mt, allocated != 1 + height * 3);
+	MT_BUG_ON(mt, allocated != 0);
 	mas_store_prealloc(&mas, ptr);
+	MT_BUG_ON(mt, mas_allocated(&mas) != 0);
 
+	/* Split */
+	mas_set_range(&mas, 54, 54);
 	MT_BUG_ON(mt, mas_preallocate(&mas, ptr, GFP_KERNEL) != 0);
 	allocated = mas_allocated(&mas);
 	height = mas_mt_height(&mas);
-	MT_BUG_ON(mt, allocated == 0);
-	MT_BUG_ON(mt, allocated != 1 + height * 3);
+	MT_BUG_ON(mt, allocated != 1 + height * 2);
 	mas_store_prealloc(&mas, ptr);
 	MT_BUG_ON(mt, mas_allocated(&mas) != 0);
 	mt_set_non_kernel(1);
+	/* Spanning store */
+	mas_set_range(&mas, 1, 100);
 	MT_BUG_ON(mt, mas_preallocate(&mas, ptr, GFP_KERNEL & GFP_NOWAIT) == 0);
 	allocated = mas_allocated(&mas);
 	height = mas_mt_height(&mas);
@@ -35482,6 +35485,7 @@ static noinline void __init check_prealloc(struct maple_tree *mt)
 	mas_destroy(&mas);
 
 
+	/* Spanning store */
 	MT_BUG_ON(mt, mas_preallocate(&mas, ptr, GFP_KERNEL) != 0);
 	allocated = mas_allocated(&mas);
 	height = mas_mt_height(&mas);
@@ -35489,6 +35493,7 @@ static noinline void __init check_prealloc(struct maple_tree *mt)
 	MT_BUG_ON(mt, allocated != 1 + height * 3);
 	mas_store_prealloc(&mas, ptr);
 	MT_BUG_ON(mt, mas_allocated(&mas) != 0);
+	mas_set_range(&mas, 0, 200);
 	mt_set_non_kernel(1);
 	MT_BUG_ON(mt, mas_preallocate(&mas, ptr, GFP_KERNEL & GFP_NOWAIT) == 0);
 	allocated = mas_allocated(&mas);
-- 
2.39.2