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>

diff --git a/Documentation/networking/ip-sysctl.txt b/Documentation/networking/ip-sysctl.txt
index 9bffdfc..85b0221 100644 (file)
--- 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