On Fri, Feb 08, 2019 at 08:44:32PM -0800, Mark D Rustad wrote: > On Feb 8, 2019, at 2:54 AM, Greg KH <gregkh@xxxxxxxxxxxxxxxxxxx> wrote: > > > diff --git a/Documentation/networking/ip-sysctl.txt > > b/Documentation/networking/ip-sysctl.txt > > index 2ea4c45cf1c8..7c229f59016f 100644 > > --- a/Documentation/networking/ip-sysctl.txt > > +++ b/Documentation/networking/ip-sysctl.txt > > @@ -112,14 +112,11 @@ min_adv_mss - INTEGER > > > > IP Fragmentation: > > > > -ipfrag_high_thresh - INTEGER > > - Maximum memory used to reassemble IP fragments. When > > - ipfrag_high_thresh bytes of memory is allocated for this purpose, > > - the fragment handler will toss packets until ipfrag_low_thresh > > - is reached. This also serves as a maximum limit to namespaces > > - different from the initial one. > > - > > -ipfrag_low_thresh - INTEGER > > +ipfrag_high_thresh - LONG INTEGER > > + Maximum memory used to reassemble IP fragments. > > + > > +ipfrag_low_thresh - LONG INTEGER > > + (Obsolete since linux-4.17) > > It seems very strange to say that it is obsolete since 4.17 in a 4.4 kernel. 4.17 is a point in time :)