| tag | b8ea276caf035b8d7b15c30054755b0188adc417 | |
|---|---|---|
| tagger | Jens Axboe <axboe@kernel.dk> | Thu Nov 28 09:56:09 2019 -0700 |
| object | e944475e69849273ca8f1fe04a3ce81b5901d165 |
for-5.5/io_uring-post-20191128
| commit | e944475e69849273ca8f1fe04a3ce81b5901d165 | [log] [tgz] |
|---|---|---|
| author | Jens Axboe <axboe@kernel.dk> | Tue Nov 26 15:02:04 2019 -0700 |
| committer | Jens Axboe <axboe@kernel.dk> | Tue Nov 26 15:02:56 2019 -0700 |
| tree | 025ec2f3808ffa90a83691e41273918d99f9a2b3 | |
| parent | 6206f0e180d4eddc0a178f57120ab1b913701f6e [diff] |
io_uring: make poll->wait dynamically allocated In the quest to bring io_kiocb down to 3 cachelines, this one does the trick. Make the wait_queue_entry for the poll command come out of kmalloc instead of embedding it in struct io_poll_iocb, as the latter is the largest member of io_kiocb. Once we trim this down a bit, we're back at a healthy 192 bytes for struct io_kiocb. Signed-off-by: Jens Axboe <axboe@kernel.dk>