Merge tag 'renesas-fixes4-for-v4.13' of https://git.kernel.org/pub/scm/linux/kernel...

[mirror_ubuntu-artful-kernel.git] / lib / radix-tree.c

diff --git a/lib/radix-tree.c b/lib/radix-tree.c
index 691a9ad48497b02e3b09304d6565165ef2317b16..898e8799841759ff20f1dc3eb25f277ebb3a8119 100644 (file)
--- a/lib/radix-tree.c
+++ b/lib/radix-tree.c
@@ -2284,6 +2284,8 @@ static int radix_tree_cpu_dead(unsigned int cpu)
 void __init radix_tree_init(void)
 {
        int ret;
+
+       BUILD_BUG_ON(RADIX_TREE_MAX_TAGS + __GFP_BITS_SHIFT > 32);
        radix_tree_node_cachep = kmem_cache_create("radix_tree_node",
                        sizeof(struct radix_tree_node), 0,
                        SLAB_PANIC | SLAB_RECLAIM_ACCOUNT,