From: Wei Yang <richard.weiyang@gmail.com>
To: akpm@linux-foundation.org, Liam.Howlett@oracle.com
Cc: maple-tree@lists.infradead.org, linux-mm@kvack.org,
Wei Yang <richard.weiyang@gmail.com>,
"Liam R . Howlett" <Liam.Howlett@Oracle.com>,
Lorenzo Stoakes <lorenzo.stoakes@oracle.com>,
Sidhartha Kumar <sidhartha.kumar@oracle.com>
Subject: [PATCH 1/3] maple_tree: index has been checked to be smaller than pivot
Date: Sat, 16 Nov 2024 01:48:03 +0000 [thread overview]
Message-ID: <20241116014805.11547-2-richard.weiyang@gmail.com> (raw)
In-Reply-To: <20241116014805.11547-1-richard.weiyang@gmail.com>
At the beginning of loop, it has checked the range is in lower bounds.
Signed-off-by: Wei Yang <richard.weiyang@gmail.com>
CC: Liam R. Howlett <Liam.Howlett@Oracle.com>
CC: Lorenzo Stoakes <lorenzo.stoakes@oracle.com>
CC: Sidhartha Kumar <sidhartha.kumar@oracle.com>
---
lib/maple_tree.c | 13 ++++++-------
1 file changed, 6 insertions(+), 7 deletions(-)
diff --git a/lib/maple_tree.c b/lib/maple_tree.c
index 667326717f35..63dccd7b9474 100644
--- a/lib/maple_tree.c
+++ b/lib/maple_tree.c
@@ -4893,13 +4893,12 @@ static inline bool mas_anode_descend(struct ma_state *mas, unsigned long size)
found = true;
goto done;
}
- if (mas->index <= pivot) {
- mas->node = mas_slot(mas, slots, offset);
- mas->min = min;
- mas->max = pivot;
- offset = 0;
- break;
- }
+
+ mas->node = mas_slot(mas, slots, offset);
+ mas->min = min;
+ mas->max = pivot;
+ offset = 0;
+ break;
}
next_slot:
min = pivot + 1;
--
2.34.1
next prev parent reply other threads:[~2024-11-16 1:48 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-11-16 1:48 [PATCH 0/3] mas_anode_descend() related cleanup Wei Yang
2024-11-16 1:48 ` Wei Yang [this message]
2024-11-18 20:53 ` [PATCH 1/3] maple_tree: index has been checked to be smaller than pivot Liam R. Howlett
2024-11-16 1:48 ` [PATCH 2/3] maple_tree: not possible to be a root node after loop Wei Yang
2024-11-18 20:49 ` Liam R. Howlett
2024-11-19 2:10 ` Wei Yang
2024-11-19 14:12 ` Liam R. Howlett
2024-11-21 7:13 ` Wei Yang
2024-11-22 15:17 ` Liam R. Howlett
2024-11-16 1:48 ` [PATCH 3/3] maple_tree: we don't set offset to MAPLE_NODE_SLOTS on error Wei Yang
2024-11-18 20:50 ` Liam R. Howlett
2024-11-19 2:15 ` Wei Yang
2024-11-19 13:58 ` Liam R. Howlett
2024-11-21 7:15 ` Wei Yang
2024-11-22 15:18 ` Liam R. Howlett
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