diff options
| author |   Keith Busch <kbusch@kernel.org> | 2025-02-27 14:39:16 -0800 |
|---|---|---|
| committer |   Jens Axboe <axboe@kernel.dk> | 2025-02-28 07:05:46 -0700 |
| commit | ed9f3112a8a8f6e6919d3b9da2651fa302df7be3 (patch) | |
| tree | 4d6c3d569625be201e5fb33a44d2f0fb9a224e95 /io_uring/io_uring.c | |
| parent | ublk: zc register/unregister bvec (diff) | |
| download | linux-rng-ed9f3112a8a8f6e6919d3b9da2651fa302df7be3.tar.xz linux-rng-ed9f3112a8a8f6e6919d3b9da2651fa302df7be3.zip | |
io_uring: cache nodes and mapped buffers
Frequent alloc/free cycles on these is pretty costly. Use an io cache to
more efficiently reuse these buffers.
Signed-off-by: Keith Busch <kbusch@kernel.org>
Link: https://lore.kernel.org/r/20250227223916.143006-7-kbusch@meta.com
[axboe: fix imu leak]
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'io_uring/io_uring.c')
| -rw-r--r-- | io_uring/io_uring.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/io_uring/io_uring.c b/io_uring/io_uring.c index f2bdb1eab577..ccc343f61a57 100644 --- a/io_uring/io_uring.c +++ b/io_uring/io_uring.c @@ -291,6 +291,7 @@ static void io_free_alloc_caches(struct io_ring_ctx *ctx) io_alloc_cache_free(&ctx->uring_cache, kfree); io_alloc_cache_free(&ctx->msg_cache, kfree); io_futex_cache_free(ctx); + io_rsrc_cache_free(ctx); } static __cold struct io_ring_ctx *io_ring_ctx_alloc(struct io_uring_params *p) @@ -338,6 +339,7 @@ static __cold struct io_ring_ctx *io_ring_ctx_alloc(struct io_uring_params *p) ret |= io_alloc_cache_init(&ctx->msg_cache, IO_ALLOC_CACHE_MAX, sizeof(struct io_kiocb), 0); ret |= io_futex_cache_init(ctx); + ret |= io_rsrc_cache_init(ctx); if (ret) goto free_ref; init_completion(&ctx->ref_comp); |