[lkp] [+538 bytes kernel size regression] [i386-tinyconfig] [d9722a4757] splice: Do splice read from a buffered file without using ITER_PIPE

[lkp] [+538 bytes kernel size regression] [i386-tinyconfig] [d9722a4757] splice: Do splice read from a buffered file without using ITER_PIPE

[kernel test robot]

FYI, we noticed a +538 bytes kernel size regression due to commit:

commit: d9722a47571104f7fa1eeb5ec59044d3607c6070 (splice: Do splice read from a buffered file without using 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`):

cd119d2f: mm: Pass info, not iter, into filemap_get_pages() and unstatic it
d9722a47: splice: Do splice read from a buffered file without using ITER_PIPE

+----------------------------------------+----------+----------+-------+
|                 symbol                 | cd119d2f | d9722a47 | delta |
+----------------------------------------+----------+----------+-------+
| nm.t.generic_file_buffered_splice_read | 0        | 680      | 680   |
| bzImage                                | 496352   | 496640   | 288   |
| nm.T.generic_file_splice_read          | 200      | 58       | -142  |
+----------------------------------------+----------+----------+-------+



Thanks