6.6-stable review patch. If anyone has any objections, please let me know.
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From: Pavel Begunkov asml.silence@gmail.com
commit f979c20547e72568e3c793bc92c7522bc3166246 upstream.
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 Link: https://lore.kernel.org/r/f8dfdbd755c41fd9c75d12b858af07dfba5bbb68.174678871... Signed-off-by: Jens Axboe axboe@kernel.dk Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org --- io_uring/io_uring.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
--- a/io_uring/io_uring.c +++ b/io_uring/io_uring.c @@ -1808,7 +1808,7 @@ queue: 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);