Andy Lutomirski <l...@kernel.org> wrote:

> +static const char zero_pad[16] = {0};

Isn't there a global page of zeros or something that we can share?  Also, you
shouldn't explicitly initialise it so that it stays in .bss.

> -     sg_set_buf(&sg_out[1], pad, sizeof pad);
> +     sg_set_buf(&sg_out[1], zero_pad, sizeof zero_pad);

Can you put brackets on the sizeof?

Thanks,
David

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