* [lkp] [+547 bytes kernel size regression] [i386-tinyconfig] [929bad88e0] splice: Fix O_DIRECT file read splice to avoid reversion of ITER_PIPE
@ 2023-02-13 16:22 kernel test robot
2023-02-13 16:28 ` David Howells
0 siblings, 1 reply; 2+ messages in thread
From: kernel test robot @ 2023-02-13 16:22 UTC (permalink / raw)
To: David Howells; +Cc: Josh Triplett, lkp, oe-kbuild-all
FYI, we noticed a +547 bytes kernel size regression due to commit:
commit: 929bad88e01fe3741170eb3c2faace578fae1ef6 (splice: Fix O_DIRECT file read splice to avoid reversion of ITER_PIPE)
https://github.com/ammarfaizi2/linux-block dhowells/linux-fs/iov-extract-3
Details as below (size data is obtained by `nm --size-sort vmlinux`):
4ec5183e: Linux 6.2-rc7
929bad88: splice: Fix O_DIRECT file read splice to avoid reversion of ITER_PIPE
+--------------------------------------+----------+----------+-------+
| symbol | 4ec5183e | 929bad88 | delta |
+--------------------------------------+----------+----------+-------+
| nm.t.generic_file_direct_splice_read | 0 | 515 | 515 |
| bzImage | 495936 | 496288 | 352 |
| nm.T.generic_file_splice_read | 169 | 200 | 31 |
| nm.D.linux_banner | 165 | 166 | 1 |
+--------------------------------------+----------+----------+-------+
Thanks
^ permalink raw reply [flat|nested] 2+ messages in thread
* Re: [lkp] [+547 bytes kernel size regression] [i386-tinyconfig] [929bad88e0] splice: Fix O_DIRECT file read splice to avoid reversion of ITER_PIPE
2023-02-13 16:22 [lkp] [+547 bytes kernel size regression] [i386-tinyconfig] [929bad88e0] splice: Fix O_DIRECT file read splice to avoid reversion of ITER_PIPE kernel test robot
@ 2023-02-13 16:28 ` David Howells
0 siblings, 0 replies; 2+ messages in thread
From: David Howells @ 2023-02-13 16:28 UTC (permalink / raw)
To: kernel test robot; +Cc: dhowells, Josh Triplett, oe-kbuild-all
kernel test robot <lkp@intel.com> wrote:
> FYI, we noticed a +547 bytes kernel size regression due to commit:
>
> commit: 929bad88e01fe3741170eb3c2faace578fae1ef6 (splice: Fix O_DIRECT file read splice to avoid reversion of ITER_PIPE)
> https://github.com/ammarfaizi2/linux-block dhowells/linux-fs/iov-extract-3
>
>
> Details as below (size data is obtained by `nm --size-sort vmlinux`):
>
> 4ec5183e: Linux 6.2-rc7
> 929bad88: splice: Fix O_DIRECT file read splice to avoid reversion of ITER_PIPE
>
> +--------------------------------------+----------+----------+-------+
> | symbol | 4ec5183e | 929bad88 | delta |
> +--------------------------------------+----------+----------+-------+
> | nm.t.generic_file_direct_splice_read | 0 | 515 | 515 |
> | bzImage | 495936 | 496288 | 352 |
> | nm.T.generic_file_splice_read | 169 | 200 | 31 |
> | nm.D.linux_banner | 165 | 166 | 1 |
> +--------------------------------------+----------+----------+-------+
How does 82cf0207bed44feb0b3b8b17a4c351fdde34a97b to v6.2-rc7? That's the
conclusion of the ITER_PIPE-removal.
David
^ permalink raw reply [flat|nested] 2+ messages in thread
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2023-02-13 16:22 [lkp] [+547 bytes kernel size regression] [i386-tinyconfig] [929bad88e0] splice: Fix O_DIRECT file read splice to avoid reversion of ITER_PIPE kernel test robot
2023-02-13 16:28 ` David Howells
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