radix tree: Add some implicit includes
We were using spinlock_t and INIT_LIST_HEAD without including spinlock.h
or list.h. They were being implicitly included through some other header
file, but that's fragile.
Signed-off-by: Matthew Wilcox <mawilcox@microsoft.com>
diff --git a/include/linux/radix-tree.h b/include/linux/radix-tree.h
index 52bda85..13d8d74 100644
--- a/include/linux/radix-tree.h
+++ b/include/linux/radix-tree.h
@@ -22,11 +22,13 @@
#define _LINUX_RADIX_TREE_H
#include <linux/bitops.h>
-#include <linux/preempt.h>
-#include <linux/types.h>
#include <linux/bug.h>
#include <linux/kernel.h>
+#include <linux/list.h>
+#include <linux/preempt.h>
#include <linux/rcupdate.h>
+#include <linux/spinlock.h>
+#include <linux/types.h>
/*
* The bottom two bits of the slot determine how the remaining bits in the