diff options
| author | Liam R. Howlett <Liam.Howlett@oracle.com> | 2025-08-27 20:30:23 -0400 |
|---|---|---|
| committer | Andrew Morton <akpm@linux-foundation.org> | 2025-09-13 16:55:26 -0700 |
| commit | 103e90626d3a4032d22e8b09ff14600e71cda59c (patch) | |
| tree | a0d6267016f0116a81702392879107c963d40cb2 | |
| parent | 82b5fe3059a52e1419521ac32703208d03bb15e9 (diff) | |
maple_tree: testing fix for spanning store on 32b
32 bit nodes have a larger branching factor. This affects the required
value to cause a height change. Update the spanning store height test to
work for both 64 and 32 bit nodes.
Link: https://lkml.kernel.org/r/20250828003023.418966-3-Liam.Howlett@oracle.com
Fixes: f9d3a963fef4 ("maple_tree: use height and depth consistently")
Signed-off-by: Liam R. Howlett <Liam.Howlett@oracle.com>
Reviewed-by: Sidhartha Kumar <sidhartha.kumar@oracle.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
| -rw-r--r-- | tools/testing/radix-tree/maple.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/tools/testing/radix-tree/maple.c b/tools/testing/radix-tree/maple.c index 90a0db45a33c..05714c22994e 100644 --- a/tools/testing/radix-tree/maple.c +++ b/tools/testing/radix-tree/maple.c @@ -36327,13 +36327,18 @@ extern void test_kmem_cache_bulk(void); static inline void check_spanning_store_height(struct maple_tree *mt) { int index = 0; + int last = 140; MA_STATE(mas, mt, 0, 0); mas_lock(&mas); while (mt_height(mt) != 3) { mas_store_gfp(&mas, xa_mk_value(index), GFP_KERNEL); mas_set(&mas, ++index); } - mas_set_range(&mas, 90, 140); + + if (MAPLE_32BIT) + last = 155; /* 32 bit higher branching factor. */ + + mas_set_range(&mas, 90, last); mas_store_gfp(&mas, xa_mk_value(index), GFP_KERNEL); MT_BUG_ON(mt, mas_mt_height(&mas) != 2); mas_unlock(&mas); |