[PATCH] Fix broken average SAC calculation

[Linus Torvalds]

On Thu, Mar 29, 2012 at 9:36 PM, Linus Torvalds
<torvalds at linux-foundation.org> wrote:
>
> The patch looks like it's probably fine, but it doesn't have a
> sign-off, and I really wish people added them. See the README.

Actually, thinking some more about this - why isn't that "old_sac" a
field in the stats_t structure, where it would get zeroed with the
rest of the fields? "total_sac_time" or something?

                   Linus