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From: kernel test robot <lkp@intel.com>
To: Al Viro <viro@zeniv.linux.org.uk>
Cc: oe-kbuild-all@lists.linux.dev, lkp@intel.com
Subject: [lkp] [+118 bytes kernel size regression] [i386-tinyconfig] [6e6937ac88] fs: introduce lock_rename_child() helper
Date: Thu, 16 Mar 2023 08:46:53 +0800	[thread overview]
Message-ID: <ZBJm/VySI5NOYpji@7948dbfe554b> (raw)
In-Reply-To: <20230315223435.5139-3-linkinjeon@kernel.org>


FYI, we noticed a +118 bytes kernel size regression due to commit:

commit: 6e6937ac882828b632bbcecf35ce35d280a2b4fb (fs: introduce lock_rename_child() helper)
url: https://github.com/intel-lab-lkp/linux/commits/Namjae-Jeon/ksmbd-remove-internal-h-include/20230316-063731
base: https://git.kernel.org/cgit/linux/kernel/git/vfs/idmapping.git for-next
patch link: https://lore.kernel.org/all/20230315223435.5139-3-linkinjeon@kernel.org/
patch subject: [PATCH v8 2/3] fs: introduce lock_rename_child() helper


Details as below (size data is obtained by `nm --size-sort vmlinux`):

2d2e9d60: ksmbd: remove internal.h include
6e6937ac: fs: introduce lock_rename_child() helper

+---------------------------+----------+----------+-------+
|          symbol           | 2d2e9d60 | 6e6937ac | delta |
+---------------------------+----------+----------+-------+
| nm.T.lock_rename_child    | 0        | 98       | 98    |
| nm.t.lock_two_directories | 0        | 77       | 77    |
| bzImage                   | 501536   | 501600   | 64    |
| nm.T.lock_rename          | 109      | 52       | -57   |
+---------------------------+----------+----------+-------+



Thanks



  reply	other threads:[~2023-03-16  0:47 UTC|newest]

Thread overview: 14+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-03-15 22:34 [PATCH v8 0/3] ksmbd patches included vfs changes Namjae Jeon
2023-03-15 22:34 ` [PATCH v8 1/3] ksmbd: remove internal.h include Namjae Jeon
2023-03-17  8:55   ` Christian Brauner
2023-03-15 22:34 ` [PATCH v8 2/3] fs: introduce lock_rename_child() helper Namjae Jeon
2023-03-16  0:46   ` kernel test robot [this message]
2023-03-15 22:34 ` [PATCH v8 3/3] ksmbd: fix racy issue from using ->d_parent and ->d_name Namjae Jeon
2023-03-16  0:30   ` kernel test robot
2023-03-16  0:56     ` Namjae Jeon
2023-03-16  7:30   ` kernel test robot
2023-04-21  2:35 ` [PATCH v8 0/3] ksmbd patches included vfs changes Al Viro
2023-04-21  2:38   ` Al Viro
2023-04-21  7:26   ` Namjae Jeon
2023-06-13 10:57 ` Amir Goldstein
2023-06-13 12:24   ` Namjae Jeon

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