summaryrefslogtreecommitdiff
path: root/io_uring/kbuf.c
diff options
context:
space:
mode:
authorPavel Begunkov <asml.silence@gmail.com>2025-02-05 11:36:43 +0000
committerJens Axboe <axboe@kernel.dk>2025-02-17 05:34:45 -0700
commit9afe6847cff78e7f3aa8f4c920265cf298033251 (patch)
tree88fba2668a677f324767c17c857576068916ca02 /io_uring/kbuf.c
parent7919292a961421bfdb22f83c16657684c96076b3 (diff)
downloadlinux-9afe6847cff78e7f3aa8f4c920265cf298033251.tar.gz
linux-9afe6847cff78e7f3aa8f4c920265cf298033251.tar.bz2
linux-9afe6847cff78e7f3aa8f4c920265cf298033251.zip
io_uring/kbuf: remove legacy kbuf kmem cache
Remove the kmem cache used by legacy provided buffers. Signed-off-by: Pavel Begunkov <asml.silence@gmail.com> Link: https://lore.kernel.org/r/8195c207d8524d94e972c0c82de99282289f7f5c.1738724373.git.asml.silence@gmail.com Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'io_uring/kbuf.c')
-rw-r--r--io_uring/kbuf.c6
1 files changed, 2 insertions, 4 deletions
diff --git a/io_uring/kbuf.c b/io_uring/kbuf.c
index f152afdf0bc7..2e1561c9220f 100644
--- a/io_uring/kbuf.c
+++ b/io_uring/kbuf.c
@@ -20,8 +20,6 @@
/* BIDs are addressed by a 16-bit field in a CQE */
#define MAX_BIDS_PER_BGID (1 << 16)
-struct kmem_cache *io_buf_cachep;
-
struct io_provide_buf {
struct file *file;
__u64 addr;
@@ -411,7 +409,7 @@ void io_destroy_buffers(struct io_ring_ctx *ctx)
list_for_each_safe(item, tmp, &ctx->io_buffers_cache) {
buf = list_entry(item, struct io_buffer, list);
- kmem_cache_free(io_buf_cachep, buf);
+ kfree(buf);
}
}
@@ -521,7 +519,7 @@ static int io_refill_buffer_cache(struct io_ring_ctx *ctx)
spin_unlock(&ctx->completion_lock);
}
- buf = kmem_cache_alloc(io_buf_cachep, GFP_KERNEL);
+ buf = kmalloc(sizeof(*buf), GFP_KERNEL_ACCOUNT);
if (!buf)
return -ENOMEM;
list_add_tail(&buf->list, &ctx->io_buffers_cache);