Fix maple_big_node struct gap calc.

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

diff --git a/lib/maple_tree.c b/lib/maple_tree.c
index 9588c6d1d0c8d00808984023d9f920e90841ddeb..5132495f86a660957394dabd79f985b295b430dc 100644 (file)
--- a/lib/maple_tree.c
+++ b/lib/maple_tree.c
@@ -106,6 +106,7 @@ static const unsigned char mt_min_slots[] = {
 #define mt_min_slot_count(x) mt_min_slots[mte_node_type(x)]
 
 #define MAPLE_BIG_NODE_SLOTS   (MAPLE_RANGE64_SLOTS * 2 + 2)
+#define MAPLE_BIG_NODE_GAPS    (MAPLE_ARANGE64_SLOTS * 2 + 1)
 
 struct maple_big_node {
        struct maple_pnode *parent;
@@ -113,8 +114,8 @@ struct maple_big_node {
        union {
                struct maple_enode *slot[MAPLE_BIG_NODE_SLOTS];
                struct {
-                       unsigned long padding[MAPLE_BIG_NODE_SLOTS/2 + 2];
-                       unsigned long gap[MAPLE_BIG_NODE_SLOTS/2 + 2];
+                       unsigned long padding[MAPLE_BIG_NODE_GAPS];
+                       unsigned long gap[MAPLE_BIG_NODE_GAPS];
                };
        };
        unsigned long min;