update ip-sysctl.txt documentation (v2)

Update documentation to reflect the fact that
/proc/sys/net/ipv4/route/max_size is no longer used for ipv4.

Signed-off-by: Ani Sinha <ani@arista.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 2 insertions, 0 deletions

diff --git a/Documentation/networking/ip-sysctl.txt b/Documentation/networking/ip-sysctl.txt
index 9bffdfc648dc..85b022179104 100644
--- a/Documentation/networking/ip-sysctl.txt
+++ b/Documentation/networking/ip-sysctl.txt
@@ -66,6 +66,8 @@ fwmark_reflect - BOOLEAN
 route/max_size - INTEGER
         Maximum number of routes allowed in the kernel.  Increase
         this when using large numbers of interfaces and/or routes.
+        From linux kernel 3.6 onwards, this is deprecated for ipv4
+        as route cache is no longer used.
 
 neigh/default/gc_thresh1 - INTEGER
         Minimum number of entries to keep.  Garbage collector will not