1 files changed, 1 insertions, 1 deletions

diff --git a/lib/radix-tree.c b/lib/radix-tree.c
index 04d664377f2c..10bed1c8c3c3 100644
--- a/lib/radix-tree.c
+++ b/lib/radix-tree.c
@@ -58,7 +58,7 @@ struct radix_tree_path {
 #define RADIX_TREE_INDEX_BITS  (8 /* CHAR_BIT */ * sizeof(unsigned long))
 #define RADIX_TREE_MAX_PATH (RADIX_TREE_INDEX_BITS/RADIX_TREE_MAP_SHIFT + 2)
 
-static unsigned long height_to_maxindex[RADIX_TREE_MAX_PATH];
+static unsigned long height_to_maxindex[RADIX_TREE_MAX_PATH] __read_mostly;
 
 /*
  * Radix tree node cache.