From: Jens Axboe axboe@kernel.dk
[ Upstream commit 9990da93d2bf9892c2c14c958bef050d4e461a1a ]
For each provided buffer, we allocate a struct io_buffer to hold the data associated with it. As a large number of buffers can be provided, account that data with memcg.
Fixes: ddf0322db79c ("io_uring: add IORING_OP_PROVIDE_BUFFERS") Signed-off-by: Jens Axboe axboe@kernel.dk Signed-off-by: Sasha Levin sashal@kernel.org --- fs/io_uring.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/fs/io_uring.c b/fs/io_uring.c index 739e58ccc982..187eb1907bde 100644 --- a/fs/io_uring.c +++ b/fs/io_uring.c @@ -4043,7 +4043,7 @@ static int io_add_buffers(struct io_provide_buf *pbuf, struct io_buffer **head) int i, bid = pbuf->bid;
for (i = 0; i < pbuf->nbufs; i++) { - buf = kmalloc(sizeof(*buf), GFP_KERNEL); + buf = kmalloc(sizeof(*buf), GFP_KERNEL_ACCOUNT); if (!buf) break;