On Wed, 18 Jun 2014 13:45:37 -0700 "Luis R. Rodriguez" 
<mcg...@do-not-panic.com> wrote:

> ...
>
> If an increase is required the ring buffer is increased to
> +       the next power of 2 that can fit both the minimum kernel ring buffer
> +       (LOG_BUF_SHIFT) plus the additional worst case CPU contributions.
>
> ...
>
> +     log_buf_len_update(cpu_extra + __LOG_BUF_LEN);
> +}

I'd have expected

  total_cpu_space = minimum-per-cpu-len * nr_possible_cpus;
  log_buf_len = max(__LOG_BUF_LEN, total_cpu_space)

but here you added __LOG_BUF_LEN to total_cpu_space and I cannot work
out why.  
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