| commit | 392edb45b24337eaa0bc1ecd4e3cf897e662ec61 | [log] [tgz] |
|---|---|---|
| author | Jens Axboe <axboe@kernel.dk> | Mon Dec 09 17:52:20 2019 -0700 |
| committer | Jens Axboe <axboe@kernel.dk> | Tue Dec 10 16:33:23 2019 -0700 |
| tree | ab9d8463d266a7651792830d467879e62828c99e | |
| parent | d96885658d9971fc2c752b8699f17a42ef745db6 [diff] |
io_uring: don't dynamically allocate poll data This essentially reverts commit e944475e6984. For high poll ops workloads, like TAO, the dynamic allocation of the wait_queue entry for IORING_OP_POLL_ADD adds considerable extra overhead. Go back to embedding the wait_queue_entry, but keep the usage of wait->private for the pointer stashing. Signed-off-by: Jens Axboe <axboe@kernel.dk>