| commit | 7e3709d57651feab9c77d7a5a8024041f73f69f7 | [log] [tgz] |
|---|---|---|
| author | Pavel Begunkov <asml.silence@gmail.com> | Mon Oct 04 20:02:46 2021 +0100 |
| committer | Jens Axboe <axboe@kernel.dk> | Tue Oct 19 05:49:54 2021 -0600 |
| tree | 750ac9c551a1791792c7a15b104c0684aa393c04 | |
| parent | 6224590d242fc8c6b26941328e02a40b4384949b [diff] |
io_uring: optimise kiocb layout We want ->comp_list in the second cacheline, which is hotter comparing to the 3rd. Swap the field with ->link, which is not as hot and controlled by flags and so not accessed unless there is a link. By the way add a couple of comments for io_kiocb fields. Signed-off-by: Pavel Begunkov <asml.silence@gmail.com> Link: https://lore.kernel.org/r/9d9dde31f8f62279a5f48c575bbc27b8290edc0c.1633373302.git.asml.silence@gmail.com Signed-off-by: Jens Axboe <axboe@kernel.dk>