[net-next] ipv6: Document that max_size sysctl is depreciated

[Jon Maxwell]

Document that max_size is depreciated due to:

af6d10345ca7 ipv6: remove max_size check inline with ipv4

Signed-off-by: Jon Maxwell <jmaxwell37@xxxxxxxxx>
---
 Documentation/networking/ip-sysctl.rst | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/Documentation/networking/ip-sysctl.rst b/Documentation/networking/ip-sysctl.rst
index 7fbd060d6047..edf1fcd10c5c 100644
--- a/Documentation/networking/ip-sysctl.rst
+++ b/Documentation/networking/ip-sysctl.rst
@@ -156,6 +156,9 @@ route/max_size - INTEGER
 	From linux kernel 3.6 onwards, this is deprecated for ipv4
 	as route cache is no longer used.
 
+	From linux kernel 6.2 onwards, this is deprecated for ipv6
+	as garbage collection manages cached route entries.
+
 neigh/default/gc_thresh1 - INTEGER
 	Minimum number of entries to keep.  Garbage collector will not
 	purge entries if there are fewer than this number.
-- 
2.31.1