From: Wei Yang <richard.weiyang@gmail.com>
To: Wei Yang <richard.weiyang@gmail.com>
Cc: akpm@linux-foundation.org, Liam.Howlett@oracle.com,
maple-tree@lists.infradead.org, linux-mm@kvack.org
Subject: Re: [PATCH v4 0/5] refine storing NULL
Date: Sat, 19 Oct 2024 02:42:05 +0000 [thread overview]
Message-ID: <20241019024205.bc5hxkowpsebijew@master> (raw)
In-Reply-To: <20241019023716.4516-1-richard.weiyang@gmail.com>
On Sat, Oct 19, 2024 at 02:37:11AM +0000, Wei Yang wrote:
>The original thread[1] thoughts it is a problem in mas_new_root(). But after
>discussion, this should be an improvement on storing NULL.
>
>Patch 1/2 preparation for refine.
>
>Patch 3 remove redundant check in mas_new_root().
>
>Patch 4 refine mas_store_root() to improve memory efficiency and remove
>possible consecutive NULL slot.
>
>Patch 5 adds a test for storing NULL.
Forget to say, this is still based on yesterday's master.
4d939780b705 2024-10-17 Merge tag 'mm-hotfixes-stable-2024-10-17-16-08' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
>
>[1]: https://lkml.kernel.org/r/20241015233909.23592-1-richard.weiyang@gmail.com
>
>v4:
> patch 3 add a WARN_ON_ONCE()
> patch 4 add a comment and simplify the logic a little
>
>v3:
> patch 4 move the change into mas_store_root()
> patch 5 move test into lib/test_maple_tree.c
>
>Wei Yang (5):
> maple_tree: print empty for an empty tree on mt_dump()
> maple_tree: the return value of mas_root_expand() is not used
> maple_tree: not necessary to check index/last again
> maple_tree: refine mas_store_root() on storing NULL
> maple_tree: add a test checking storing null
>
> lib/maple_tree.c | 29 ++++++++++----
> lib/test_maple_tree.c | 90 +++++++++++++++++++++++++++++++++++++++++++
> 2 files changed, 112 insertions(+), 7 deletions(-)
>
>--
>2.34.1
--
Wei Yang
Help you, Help me
prev parent reply other threads:[~2024-10-19 2:42 UTC|newest]
Thread overview: 19+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-10-19 2:37 [PATCH v4 0/5] refine storing NULL Wei Yang
2024-10-19 2:37 ` [PATCH v4 1/5] maple_tree: print empty for an empty tree on mt_dump() Wei Yang
2024-10-29 15:23 ` Liam R. Howlett
2024-10-19 2:37 ` [PATCH v4 2/5] maple_tree: the return value of mas_root_expand() is not used Wei Yang
2024-10-29 15:23 ` Liam R. Howlett
2024-10-19 2:37 ` [PATCH v4 3/5] maple_tree: not necessary to check index/last again Wei Yang
2024-10-29 15:23 ` Liam R. Howlett
2024-10-19 2:37 ` [PATCH v4 4/5] maple_tree: refine mas_store_root() on storing NULL Wei Yang
2024-10-29 15:24 ` Liam R. Howlett
2024-10-19 2:37 ` [PATCH v4 5/5] maple_tree: add a test checking storing null Wei Yang
2024-10-22 17:37 ` kernel test robot
2024-10-22 23:32 ` Wei Yang
2024-10-29 15:29 ` Liam R. Howlett
2024-10-31 8:02 ` Wei Yang
2024-10-31 11:17 ` Liam R. Howlett
2024-10-31 23:04 ` Wei Yang
2024-10-29 15:17 ` Liam R. Howlett
2024-10-29 15:22 ` Liam R. Howlett
2024-10-19 2:42 ` Wei Yang [this message]
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