From: Wei Wang <wei.w.wang@xxxxxxxxx>
Subject: include/linux/idr.h: add #include <linux/bug.h>
The <linux/bug.h> was removed from radix-tree.h by f5bba9d11a2
("include/linux/radix-tree.h: remove unneeded #include <linux/bug.h>").
Since that commit, tools/testing/radix-tree/ couldn't pass compilation due
to tools/testing/radix-tree/idr.c:17: undefined reference to WARN_ON_ONCE.
This patch adds the bug.h header to idr.h to solve the issue.
Link: http://lkml.kernel.org/r/1511963726-34070-2-git-send-email-wei.w.wang@xxxxxxxxx
Fixes: f5bba9d11a2 ("include/linux/radix-tree.h: remove unneeded #include <linux/bug.h>")
Signed-off-by: Wei Wang <wei.w.wang@xxxxxxxxx>
Cc: Matthew Wilcox <mawilcox@xxxxxxxxxxxxx>
Cc: Jan Kara <jack@xxxxxxx>
Cc: Eric Biggers <ebiggers@xxxxxxxxxx>
Cc: Tejun Heo <tj@xxxxxxxxxx>
Cc: Masahiro Yamada <yamada.masahiro@xxxxxxxxxxxxx>
Cc: Michal Hocko <mhocko@xxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
include/linux/idr.h | 1 +
1 file changed, 1 insertion(+)
diff -puN include/linux/idr.h~idr-add-include-linux-bugh include/linux/idr.h
--- a/include/linux/idr.h~idr-add-include-linux-bugh
+++ a/include/linux/idr.h
@@ -15,6 +15,7 @@
#include <linux/radix-tree.h>
#include <linux/gfp.h>
#include <linux/percpu.h>
+#include <linux/bug.h>
struct idr {
struct radix_tree_root idr_rt;
_
--
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