diff options
| author | Jens Axboe <axboe@kernel.dk> | 2024-06-06 21:25:01 +0300 |
|---|---|---|
| committer | Jens Axboe <axboe@kernel.dk> | 2024-06-24 17:39:55 +0300 |
| commit | 50cf5f3842af3135b88b041890e7e12a74425fcb (patch) | |
| tree | 7c7f4035cbb6be7a747f264693345235fc64ee52 /include/linux | |
| parent | 0617bb500bfabf8447062f1e1edde92ed2b638f1 (diff) | |
| download | linux-50cf5f3842af3135b88b041890e7e12a74425fcb.tar.xz | |
io_uring/msg_ring: add an alloc cache for io_kiocb entries
With slab accounting, allocating and freeing memory has considerable
overhead. Add a basic alloc cache for the io_kiocb allocations that
msg_ring needs to do. Unlike other caches, this one is used by the
sender, grabbing it from the remote ring. When the remote ring gets
the posted completion, it'll free it locally. Hence it is separately
locked, using ctx->msg_lock.
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'include/linux')
| -rw-r--r-- | include/linux/io_uring_types.h | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/include/linux/io_uring_types.h b/include/linux/io_uring_types.h index 1052a68fd68d..ede42dce1506 100644 --- a/include/linux/io_uring_types.h +++ b/include/linux/io_uring_types.h @@ -397,6 +397,9 @@ struct io_ring_ctx { struct callback_head poll_wq_task_work; struct list_head defer_list; + struct io_alloc_cache msg_cache; + spinlock_t msg_lock; + #ifdef CONFIG_NET_RX_BUSY_POLL struct list_head napi_list; /* track busy poll napi_id */ spinlock_t napi_lock; /* napi_list lock */ |