From: Nikolay Aleksandrov <niko...@cumulusnetworks.com>
Date: Tue, 20 Sep 2016 16:17:22 +0200
> When I introduced the lastuse member I made a subtle error because it was
> returned as an absolute value but that is meaningless to user-space as it
> doesn't allow to see how old exactly an entry is. Let's make it similar to
> how the bridge returns such values and make it relative to "now" (jiffies).
> This allows us to show the actual age of the entries and is much more
> useful (e.g. user-space daemons can age out entries, iproute2 can display
> the lastuse properly).
> Fixes: 43b9e1274060 ("net: ipmr/ip6mr: add support for keeping an entry age")
> Reported-by: Satish Ashok <sas...@cumulusnetworks.com>
> Signed-off-by: Nikolay Aleksandrov <niko...@cumulusnetworks.com>
> v2: make sure lastuse is before or equal to jiffies as per David Laight's