sparc: additional comments to piggyback_32.c

While reverse engineering the functionality of piggyback
I missed that the code was actually commented.
So I added a few comments.

Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Sam Ravnborg 2011-01-04 11:39:13 +00:00 • committed by David S. Miller
commit 9c23905304