diff options
| author | Pavel Begunkov <asml.silence@gmail.com> | 2025-05-13 18:26:46 +0100 |
|---|---|---|
| committer | Jens Axboe <axboe@kernel.dk> | 2025-05-13 14:45:47 -0600 |
| commit | 475a8d30371604a6363da8e304a608a5959afc40 (patch) | |
| tree | 15fa74c3bbb9307a5a108465a79fd422271157fd | |
| parent | 8fb7aee05591fd4d3dca1460448a59e95fa821c3 (diff) | |
io_uring/kbuf: account ring io_buffer_list memory
Follow the non-ringed pbuf struct io_buffer_list allocations and account
it against the memcg. There is low chance of that being an actual
problem as ring provided buffer should either pin user memory or
allocate it, which is already accounted.
Cc: stable@vger.kernel.org # 6.1
Signed-off-by: Pavel Begunkov <asml.silence@gmail.com>
Link: https://lore.kernel.org/r/3985218b50d341273cafff7234e1a7e6d0db9808.1747150490.git.asml.silence@gmail.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
| -rw-r--r-- | io_uring/kbuf.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/io_uring/kbuf.c b/io_uring/kbuf.c index 1cf0d2c01287..446207db1edf 100644 --- a/io_uring/kbuf.c +++ b/io_uring/kbuf.c @@ -621,7 +621,7 @@ int io_register_pbuf_ring(struct io_ring_ctx *ctx, void __user *arg) io_destroy_bl(ctx, bl); } - free_bl = bl = kzalloc(sizeof(*bl), GFP_KERNEL); + free_bl = bl = kzalloc(sizeof(*bl), GFP_KERNEL_ACCOUNT); if (!bl) return -ENOMEM; |