Set the node limit of the root node so that the last pivot of all nodes is the node limit (if the node is not full). Signed-off-by: Peng Zhang <zhangpeng.00@xxxxxxxxxxxxx> --- lib/maple_tree.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/lib/maple_tree.c b/lib/maple_tree.c index 279b871f21a6..23202edb9f1e 100644 --- a/lib/maple_tree.c +++ b/lib/maple_tree.c @@ -3692,7 +3692,8 @@ static inline int mas_root_expand(struct ma_state *mas, void *entry) mas->offset = slot; pivots[slot] = mas->last; if (mas->last != ULONG_MAX) - slot++; + pivots[++slot] = ULONG_MAX; + mas->depth = 1; mas_set_height(mas); ma_set_meta(node, maple_leaf_64, 0, slot); -- 2.20.1