From: Wei Yang <richard.weiyang@gmail.com>
To: "Liam R. Howlett" <Liam.Howlett@oracle.com>,
Wei Yang <richard.weiyang@gmail.com>,
akpm@linux-foundation.org, maple-tree@lists.infradead.org,
linux-mm@kvack.org
Subject: Re: [PATCH 0/7] spanning write related cleanup
Date: Fri, 17 Jan 2025 05:49:42 +0000 [thread overview]
Message-ID: <20250117054942.w6vgrllnaasjaww3@master> (raw)
In-Reply-To: <cqulekn3csbs5q6vo3uormpplgbn7vvqir4a4pnaavgvhcsd3b@js4s5ncaritj>
On Wed, Nov 27, 2024 at 08:31:13AM -0500, Liam R. Howlett wrote:
>* Wei Yang <richard.weiyang@gmail.com> [241126 20:28]:
>> Here is some cleanup related to spanning write.
>
>None of these fix anything, but do fiddle with code that's pretty
>critical to the kernel. Most of the changes will be immeasurable in
>change but carry risk to causing subtle changes.
>
>Some are simple removal of returns that aren't used while others change
>things because you think they are probably the equivalent. This seems
>like unnecessary chrun at this point. I'm all for efficient code but
>this is getting a bit much, some of these are just preference of what to
>use that will already exist in the cpu cache.
>
>I'll get back to you when I dig through them, as some need a deeper look
>for sure.
>
>Liam
>
Hi, Liam
Would you mind taking a look when you have time?
--
Wei Yang
Help you, Help me
next prev parent reply other threads:[~2025-01-17 5:49 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-11-27 1:27 Wei Yang
2024-11-27 1:27 ` [PATCH 1/7] maple_tree: not necessary to check ahead if !content Wei Yang
2024-11-27 1:27 ` [PATCH 2/7] maple_tree: validate we won't split on NULL Wei Yang
2024-11-27 1:27 ` [PATCH 3/7] maple_tree: check mid_split only may have Wei Yang
2024-11-27 1:27 ` [PATCH 4/7] maple_tree: the return value of mast_spanning_rebalance() is not used Wei Yang
2024-11-27 1:27 ` [PATCH 5/7] maple_tree: the type of left subtree is already saved in bnode->type Wei Yang
2024-11-27 1:27 ` [PATCH 6/7] maple_tree: always need to update max of new left node Wei Yang
2024-11-27 1:27 ` [PATCH 7/7] maple_tree: only ascend left subtree to get the old node for replacement Wei Yang
2024-11-27 13:31 ` [PATCH 0/7] spanning write related cleanup Liam R. Howlett
2024-11-28 1:11 ` Wei Yang
2025-01-17 5:49 ` Wei Yang [this message]
2025-01-23 17:52 ` Liam R. Howlett
2025-01-24 1:43 ` Wei Yang
2025-01-27 14:36 ` Liam R. Howlett
2025-01-28 1:36 ` Wei Yang
2025-01-28 2:11 ` Wei Yang
2025-01-31 16:46 ` Wei Yang
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