xfrm: update doc about xfrm[46]_gc_thresh

Those entries are not used anymore.

CC: Florian Westphal <fw@strlen.de>
Fixes: 09c7570480f7 ("xfrm: remove flow cache")
Signed-off-by: Nicolas Dichtel <nicolas.dichtel@6wind.com>
Signed-off-by: Steffen Klassert <steffen.klassert@secunet.com>

diff --git a/Documentation/networking/ip-sysctl.txt b/Documentation/networking/ip-sysctl.txt
index acdfb5d..f1843b1 100644 (file)
--- a/Documentation/networking/ip-sysctl.txt
+++ b/Documentation/networking/ip-sysctl.txt
@@ -1336,6 +1336,7 @@ tag - INTEGER
        Default value is 0.
 
 xfrm4_gc_thresh - INTEGER
+       (Obsolete since linux-4.14)
        The threshold at which we will start garbage collecting for IPv4
        destination cache entries.  At twice this value the system will
        refuse new allocations.
@@ -1919,6 +1920,7 @@ echo_ignore_all - BOOLEAN
        Default: 0
 
 xfrm6_gc_thresh - INTEGER
+       (Obsolete since linux-4.14)
        The threshold at which we will start garbage collecting for IPv6
        destination cache entries.  At twice this value the system will
        refuse new allocations.