maple_tree: unlikely() optimize mas_range_load on MAPLE_NODE_SLOT

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

diff --git a/lib/maple_tree.c b/lib/maple_tree.c
index 6d7f128807d5c9d545dc1b501d34628ba869e59b..ed6c24d200ebe97435c569d242402f6bd581f169 100644 (file)
--- a/lib/maple_tree.c
+++ b/lib/maple_tree.c
@@ -4535,7 +4535,7 @@ retry:
        if (mas_dead_node(mas, index))
                goto retry;
 
-       if (mas->offset == MAPLE_NODE_SLOTS)
+       if (unlikely(mas->offset == MAPLE_NODE_SLOTS))
                return NULL; // Not found.
 
        return mas_get_slot(mas, mas->offset);