From: Alexei Starovoitov <a...@fb.com>
Date: Mon, 30 Jan 2017 18:25:18 -0800
> under memory pressure 'ethtool -S' command may warn:
...
> ~1160 mlx5 counters ~= order 4 allocation which is unlikely to succeed
> under memory pressure. Convert them to vzalloc() as ethtool_get_regs() does.
> Also take care of drivers without counters similar to
> commit 67ae7cf1eeda ("ethtool: Allow zero-length register dumps again")
> and reduce warn_on to warn_on_once.
>
> Signed-off-by: Alexei Starovoitov <a...@kernel.org>
> ---
> Dave, I think by 'careful about size calculations' you mean
> to take care of zero-length. Please let me know if I misunderstood.
I was talking about the transformation from "count, size" to
"count * size" when going from kcalloc() to vzalloc() which you
did properly.
Applied, thank you :)
