[PATCH 1/6] io_uring: account drain memory to cgroup

[Pavel Begunkov <asml.silence@gmail.com>]

Account drain allocations against memcg. It's not a big problem as each
such allocation is paired with a request, which is accounted, but it's
nicer to follow the limits more closely.

Cc: stable@vger.kernel.org # 6.1
Signed-off-by: Pavel Begunkov <asml.silence@gmail.com>
---
 io_uring/io_uring.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/io_uring/io_uring.c b/io_uring/io_uring.c
index 0d051476008c..23e283e65eeb 100644
--- a/io_uring/io_uring.c
+++ b/io_uring/io_uring.c
@@ -1672,7 +1672,7 @@ static __cold void io_drain_req(struct io_kiocb *req)
 	spin_unlock(&ctx->completion_lock);
 
 	io_prep_async_link(req);
-	de = kmalloc(sizeof(*de), GFP_KERNEL);
+	de = kmalloc(sizeof(*de), GFP_KERNEL_ACCOUNT);
 	if (!de) {
 		ret = -ENOMEM;
 		io_req_defer_failed(req, ret);
-- 
2.49.0