diff options
| author | Liam R. Howlett <Liam.Howlett@oracle.com> | 2025-09-03 14:59:57 +0200 |
|---|---|---|
| committer | Vlastimil Babka <vbabka@suse.cz> | 2025-09-29 09:23:52 +0200 |
| commit | 551a6e757a95c23cd808533ef96e083d2a858ba0 (patch) | |
| tree | 8056165427ffc272324928b90d3027c66351fa69 | |
| parent | 9f910f7d3d84927c388ede3c8053760a5947973b (diff) | |
testing/radix-tree/maple: Hack around kfree_rcu not existing
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-pfalcato@suse.de/
Suggested-by: Pedro Falcato <pfalcato@suse.de>
Signed-off-by: Liam R. Howlett <Liam.Howlett@oracle.com>
Reviewed-by: Suren Baghdasaryan <surenb@google.com>
Signed-off-by: Vlastimil Babka <vbabka@suse.cz>
| -rw-r--r-- | tools/testing/shared/maple-shared.h | 11 | ||||
| -rw-r--r-- | tools/testing/shared/maple-shim.c | 6 |
2 files changed, 17 insertions, 0 deletions
diff --git a/tools/testing/shared/maple-shared.h b/tools/testing/shared/maple-shared.h index dc4d30f3860b..2a1e9a8594a2 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 9d7b74341566..16252ee616c0 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); +} |