The __netdev_alloc_frag() has been dropped by commit 7ba7aeab ("net:
Don't disable interrupts in napi_alloc_frag()"). So replace it with
netdev_alloc_frag().
Signed-off-by: Kevin Hao <haokexin@gmail.com>
Link: https://lore.kernel.org/r/20200508140924.18220-1-haokexin@gmail.comSigned-off-by: Jonathan Corbet <corbet@lwn.net>