+ maple_tree-add-some-alloc-node-test-case.patch added to mm-unstable branch

+ maple_tree-add-some-alloc-node-test-case.patch added to mm-unstable branch

[Andrew Morton]

The patch titled
     Subject: maple_tree: Add some alloc node test case
has been added to the -mm mm-unstable branch.  Its filename is
     maple_tree-add-some-alloc-node-test-case.patch

This patch will shortly appear at
     https://git.kernel.org/pub/scm/linux/kernel/git/akpm/25-new.git/tree/patches/maple_tree-add-some-alloc-node-test-case.patch

This patch will later appear in the mm-unstable branch at
    git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm

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------------------------------------------------------
From: Jiazi Li <jqqlijiazi@gmail.com>
Subject: maple_tree: Add some alloc node test case
Date: Wed, 26 Jun 2024 12:06:31 -0400

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>
---

 tools/testing/radix-tree/maple.c |   22 ++++++++++++++++++++++
 1 file changed, 22 insertions(+)

--- a/tools/testing/radix-tree/maple.c~maple_tree-add-some-alloc-node-test-case
+++ a/tools/testing/radix-tree/maple.c
@@ -462,6 +462,28 @@ static noinline void __init check_new_no
 	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);
 }
 
_

Patches currently in -mm which might be from jqqlijiazi@gmail.com are

maple_tree-fix-alloc-node-fail-issue.patch
maple_tree-add-some-alloc-node-test-case.patch