The quilt patch titled Subject: radix tree test suite: add lockdep_is_held to header has been removed from the -mm tree. Its filename was radix-tree-test-suite-add-lockdep_is_held-to-header.patch This patch was dropped because it was merged into the mm-stable branch of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm ------------------------------------------------------ From: "Liam R. Howlett" <Liam.Howlett@xxxxxxxxxx> Subject: radix tree test suite: add lockdep_is_held to header Date: Tue, 6 Sep 2022 19:48:41 +0000 maple tree uses lockdep_is_held, so define it as external in the header. Link: https://lkml.kernel.org/r/20220906194824.2110408-7-Liam.Howlett@xxxxxxxxxx Signed-off-by: Liam R. Howlett <Liam.Howlett@xxxxxxxxxx> Tested-by: Yu Zhao <yuzhao@xxxxxxxxxx> Cc: Catalin Marinas <catalin.marinas@xxxxxxx> Cc: David Hildenbrand <david@xxxxxxxxxx> Cc: David Howells <dhowells@xxxxxxxxxx> Cc: Davidlohr Bueso <dave@xxxxxxxxxxxx> Cc: "Matthew Wilcox (Oracle)" <willy@xxxxxxxxxxxxx> Cc: SeongJae Park <sj@xxxxxxxxxx> Cc: Sven Schnelle <svens@xxxxxxxxxxxxx> Cc: Vlastimil Babka <vbabka@xxxxxxx> Cc: Will Deacon <will@xxxxxxxxxx> Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> --- 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 */ _ Patches currently in -mm which might be from Liam.Howlett@xxxxxxxxxx are