maple_tree: Fix gap on skip entries caused by relocated data.

The gap should be zero for skip entries.

Signed-off-by: Liam R. Howlett <Liam.Howlett@Oracle.com>

diff --git a/lib/maple_tree.c b/lib/maple_tree.c
index bcf03a1fccebc73dc5022b3ed037684b09d0a43c..d11b98b781e48f1e7233e4ae9e6d5d6c532c4ccb 100644 (file)
--- a/lib/maple_tree.c
+++ b/lib/maple_tree.c
@@ -2355,6 +2355,8 @@ curr_is_empty:
        mas_dup_state(&parent, &next);
        mas_ascend(&parent);
        mte_set_rcu_slot(parent.node, slot, XA_SKIP_ENTRY); // relocated.
+       if (mt_is_alloc(mas->tree))
+               mte_set_gap(parent.node, slot, 0);
        mte_set_parent(next.node, mn, mte_parent_slot(curr.node));
 
        mte_free(curr.node);