From: Liam R. Howlett <Liam.Howlett@oracle.com>
Date: Sun, 20 Feb 2022 15:35:28 +0000 (-0500)
Subject: Fix maple_big_node struct gap calc.
X-Git-Url: https://www.infradead.org/git/?a=commitdiff_plain;h=2bc4594677f01dc06465cdda97820b9b4a2901d5;p=users%2Fjedix%2Flinux-maple.git

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 9588c6d1d0c8..5132495f86a6 100644
--- 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;