io_uring: mark cold functions

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Attribute cold functions so compilers can optimise them for size. It
shrinks the binary by 2.5-3%

   text    data     bss     dec     hex filename
  90670   14002       8  104680   198e8 ./fs/io_uring.o
  88053   14002       8  102063   18eaf ./fs/io_uring.o

Signed-off-by: Pavel Begunkov <asml.silence@gmail.com>
Link: https://lore.kernel.org/r/b53d385f91dca45170b67d7f11c7abd787e821f6.1633373302.git.asml.silence@gmail.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>

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Pavel Begunkov 2021-10-04 20:02:54 +01:00 • committed by Jens Axboe

parent 37f0e767e1

commit c072481ded

1 changed files with 64 additions and 59 deletions

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fs/io_uring.c

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