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authorJiazi Li <jqqlijiazi@gmail.com>2024-06-26 12:06:31 -0400
committerAndrew Morton <akpm@linux-foundation.org>2024-11-06 20:11:13 -0800
commit0f85eb3395c74d7cc823169bbacc670c6645ae80 (patch)
tree84b6ef06af74eb3a3cfc5a99633301cf27a2fc3c /tools/testing/radix-tree/maple.c
parent5b2100f723bd5c2b5552b27208f3e7d7447910d3 (diff)
downloadlwn-0f85eb3395c74d7cc823169bbacc670c6645ae80.tar.gz
lwn-0f85eb3395c74d7cc823169bbacc670c6645ae80.zip
maple_tree: add some alloc node test case
Add some maple_tree alloc node tese case. Link: https://lkml.kernel.org/r/20240626160631.3636515-2-Liam.Howlett@oracle.com Signed-off-by: Jiazi Li <jqqlijiazi@gmail.com> Signed-off-by: Liam R. Howlett <Liam.Howlett@oracle.com> Suggested-by: Liam R. Howlett <Liam.Howlett@oracle.com> Cc: Wei Yang <richard.weiyang@gmail.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Diffstat (limited to 'tools/testing/radix-tree/maple.c')
-rw-r--r--tools/testing/radix-tree/maple.c22
1 files changed, 22 insertions, 0 deletions
diff --git a/tools/testing/radix-tree/maple.c b/tools/testing/radix-tree/maple.c
index 551ae6898c1d..bc30050227fd 100644
--- a/tools/testing/radix-tree/maple.c
+++ b/tools/testing/radix-tree/maple.c
@@ -462,6 +462,28 @@ static noinline void __init check_new_node(struct maple_tree *mt)
MT_BUG_ON(mt, mas_allocated(&mas) != 10 + MAPLE_ALLOC_SLOTS - 1);
mas_destroy(&mas);
+ mas.node = MA_ERROR(-ENOMEM);
+ mas_node_count(&mas, MAPLE_ALLOC_SLOTS + 1); /* Request */
+ mas_nomem(&mas, GFP_KERNEL); /* Fill request */
+ MT_BUG_ON(mt, mas_allocated(&mas) != MAPLE_ALLOC_SLOTS + 1);
+ mas.node = MA_ERROR(-ENOMEM);
+ mas_node_count(&mas, MAPLE_ALLOC_SLOTS * 2 + 2); /* Request */
+ mas_nomem(&mas, GFP_KERNEL); /* Fill request */
+ mas.status = ma_start;
+ MT_BUG_ON(mt, mas_allocated(&mas) != MAPLE_ALLOC_SLOTS * 2 + 2);
+ mas_destroy(&mas);
+
+ mas.node = MA_ERROR(-ENOMEM);
+ mas_node_count(&mas, MAPLE_ALLOC_SLOTS * 2 + 1); /* Request */
+ mas_nomem(&mas, GFP_KERNEL); /* Fill request */
+ MT_BUG_ON(mt, mas_allocated(&mas) != MAPLE_ALLOC_SLOTS * 2 + 1);
+ mas.node = MA_ERROR(-ENOMEM);
+ mas_node_count(&mas, MAPLE_ALLOC_SLOTS * 3 + 2); /* Request */
+ mas_nomem(&mas, GFP_KERNEL); /* Fill request */
+ mas.status = ma_start;
+ MT_BUG_ON(mt, mas_allocated(&mas) != MAPLE_ALLOC_SLOTS * 3 + 2);
+ mas_destroy(&mas);
+
mtree_unlock(mt);
}