From: "Liam R. Howlett" <Liam.Howlett@xxxxxxxxxx> maple tree uses lockdep_is_held, so define it as external in the header. Link: https://lkml.kernel.org/r/20220504010716.661115-8-Liam.Howlett@xxxxxxxxxx Link: https://lkml.kernel.org/r/20220621204632.3370049-7-Liam.Howlett@xxxxxxxxxx Signed-off-by: Liam R. Howlett <Liam.Howlett@xxxxxxxxxx> Cc: Catalin Marinas <catalin.marinas@xxxxxxx> Cc: David Howells <dhowells@xxxxxxxxxx> Cc: "Matthew Wilcox (Oracle)" <willy@xxxxxxxxxxxxx> Cc: SeongJae Park <sj@xxxxxxxxxx> Cc: Vlastimil Babka <vbabka@xxxxxxx> Cc: Will Deacon <will@xxxxxxxxxx> Cc: Davidlohr Bueso <dave@xxxxxxxxxxxx> Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> --- tools/testing/radix-tree/linux/lockdep.h | 2 ++ 1 file changed, 2 insertions(+) diff --git a/tools/testing/radix-tree/linux/lockdep.h b/tools/testing/radix-tree/linux/lockdep.h index 016cff473cfc..62473ab57f99 100644 --- a/tools/testing/radix-tree/linux/lockdep.h +++ b/tools/testing/radix-tree/linux/lockdep.h @@ -11,4 +11,6 @@ static inline void lockdep_set_class(spinlock_t *lock, struct lock_class_key *key) { } + +extern int lockdep_is_held(const void *); #endif /* _LINUX_LOCKDEP_H */ -- 2.35.1
