From: "Liam R. Howlett" <Liam.Howlett@Oracle.com>
Subject: radix tree test suite: add lockdep_is_held to header

maple tree uses lockdep_is_held, so define it as external in the header.

Link: https://lkml.kernel.org/r/20220426150616.3937571-6-Liam.Howlett@oracle.com
Signed-off-by: Liam R. Howlett <Liam.Howlett@oracle.com>
Cc: Catalin Marinas <catalin.marinas@arm.com>
Cc: David Howells <dhowells@redhat.com>
Cc: "Matthew Wilcox (Oracle)" <willy@infradead.org>
Cc: Vlastimil Babka <vbabka@suse.cz>
Cc: Will Deacon <will@kernel.org>
Cc: Yu Zhao <yuzhao@google.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---

 tools/testing/radix-tree/linux/lockdep.h |    2 ++
 1 file changed, 2 insertions(+)

--- a/tools/testing/radix-tree/linux/lockdep.h~radix-tree-test-suite-add-lockdep_is_held-to-header
+++ a/tools/testing/radix-tree/linux/lockdep.h
@@ -11,4 +11,6 @@ static inline void lockdep_set_class(spi
 					struct lock_class_key *key)
 {
 }
+
+extern int lockdep_is_held(const void *);
 #endif /* _LINUX_LOCKDEP_H */
_