From: "Liam R. Howlett" <Liam.Howlett@oracle.com>
To: Wei Yang <richard.weiyang@gmail.com>
Cc: akpm@linux-foundation.org, maple-tree@lists.infradead.org,
linux-mm@kvack.org, Lorenzo Stoakes <lorenzo.stoakes@oracle.com>,
Sidhartha Kumar <sidhartha.kumar@oracle.com>
Subject: Re: [PATCH 1/3] maple_tree: index has been checked to be smaller than pivot
Date: Mon, 18 Nov 2024 15:53:03 -0500 [thread overview]
Message-ID: <jxwz7fccfnuvhzqdhrxvq3vzpx2zv6rimj6xduni6g6zoipo6q@r5yhcnvtyyws> (raw)
In-Reply-To: <20241116014805.11547-2-richard.weiyang@gmail.com>
* Wei Yang <richard.weiyang@gmail.com> [241115 20:48]:
> 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>
looks good.
Reviewed-by: Liam R. Howlett <Liam.Howlett@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:[~2024-11-18 20:53 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 ` [PATCH 1/3] maple_tree: index has been checked to be smaller than pivot Wei Yang
2024-11-18 20:53 ` Liam R. Howlett [this message]
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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