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Diffstat (limited to 'tools/testing/radix-tree/maple.c')
| -rw-r--r-- | tools/testing/radix-tree/maple.c | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/tools/testing/radix-tree/maple.c b/tools/testing/radix-tree/maple.c index bc30050227fd..e0f8fabe8821 100644 --- a/tools/testing/radix-tree/maple.c +++ b/tools/testing/radix-tree/maple.c @@ -36248,6 +36248,21 @@ static noinline void __init check_mtree_dup(struct maple_tree *mt) extern void test_kmem_cache_bulk(void); +static inline void check_spanning_store_height(struct maple_tree *mt) +{ + int index = 0; + MA_STATE(mas, mt, 0, 0); + mas_lock(&mas); + while (mt_height(mt) != 3) { + mas_store_gfp(&mas, xa_mk_value(index), GFP_KERNEL); + mas_set(&mas, ++index); + } + mas_set_range(&mas, 90, 140); + mas_store_gfp(&mas, xa_mk_value(index), GFP_KERNEL); + MT_BUG_ON(mt, mas_mt_height(&mas) != 2); + mas_unlock(&mas); +} + /* callback function used for check_nomem_writer_race() */ static void writer2(void *maple_tree) { @@ -36415,6 +36430,10 @@ void farmer_tests(void) mtree_destroy(&tree); mt_init_flags(&tree, MT_FLAGS_ALLOC_RANGE); + check_spanning_store_height(&tree); + mtree_destroy(&tree); + + mt_init_flags(&tree, MT_FLAGS_ALLOC_RANGE); check_null_expand(&tree); mtree_destroy(&tree); |