From: "Liam R. Howlett" <liam.howl...@oracle.com> liburcu doesn't have kfree_rcu (or anything similar). Despite that, we can hack around it in a trivial fashion, by adding a wrapper.
The wrapper only works for maple_nodes because we cannot get the kmem_cache pointer any other way in the test code. Link: https://lore.kernel.org/all/20250812162124.59417-1-pfalc...@suse.de/ Suggested-by: Pedro Falcato <pfalc...@suse.de> Signed-off-by: Liam R. Howlett <liam.howl...@oracle.com> Signed-off-by: Vlastimil Babka <vba...@suse.cz> --- tools/testing/shared/maple-shared.h | 11 +++++++++++ tools/testing/shared/maple-shim.c | 6 ++++++ 2 files changed, 17 insertions(+) diff --git a/tools/testing/shared/maple-shared.h b/tools/testing/shared/maple-shared.h index dc4d30f3860b9bd23b4177c7d7926ac686887815..2a1e9a8594a2834326cd9374738b2a2c7c3f9f7c 100644 --- a/tools/testing/shared/maple-shared.h +++ b/tools/testing/shared/maple-shared.h @@ -10,4 +10,15 @@ #include <time.h> #include "linux/init.h" +void maple_rcu_cb(struct rcu_head *head); +#define rcu_cb maple_rcu_cb + +#define kfree_rcu(_struct, _memb) \ +do { \ + typeof(_struct) _p_struct = (_struct); \ + \ + call_rcu(&((_p_struct)->_memb), rcu_cb); \ +} while(0); + + #endif /* __MAPLE_SHARED_H__ */ diff --git a/tools/testing/shared/maple-shim.c b/tools/testing/shared/maple-shim.c index 9d7b743415660305416e972fa75b56824211b0eb..16252ee616c0489c80490ff25b8d255427bf9fdc 100644 --- a/tools/testing/shared/maple-shim.c +++ b/tools/testing/shared/maple-shim.c @@ -6,3 +6,9 @@ #include <linux/slab.h> #include "../../../lib/maple_tree.c" + +void maple_rcu_cb(struct rcu_head *head) { + struct maple_node *node = container_of(head, struct maple_node, rcu); + + kmem_cache_free(maple_node_cache, node); +} -- 2.51.0
