On 2019/1/17 下午7:20, Toshiaki Makita wrote:
put_page() can work as a fallback for freeing xdp_frames, but the
appropriate way is to use xdp_return_frame().
Fixes: cac320c850ef ("virtio_net: convert to use generic xdp_frame and xdp_return_frame API")
Signed-off-by: Toshiaki Makita <makita.toshiaki@xxxxxxxxxxxxx>
---
drivers/net/virtio_net.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/net/virtio_net.c b/drivers/net/virtio_net.c
index ae93f0e..996de69 100644
--- a/drivers/net/virtio_net.c
+++ b/drivers/net/virtio_net.c
@@ -2668,7 +2668,7 @@ static void free_unused_bufs(struct virtnet_info *vi)
if (!is_xdp_raw_buffer_queue(vi, i))
dev_kfree_skb(buf);
else
- put_page(virt_to_head_page(buf));
+ xdp_return_frame(buf);
}
}
Acked-by: Jason Wang <jasowang@xxxxxxxxxx>
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