Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/klassert/ipsec...

[karo-tx-linux.git] / Documentation / networking / ip-sysctl.txt

diff --git a/Documentation/networking/ip-sysctl.txt b/Documentation/networking/ip-sysctl.txt
index 85752c81c5ecb359fd8ecce29faa8b348dd77972..05915be862356cf75230851920af5d4738b095b5 100644 (file)
--- a/Documentation/networking/ip-sysctl.txt
+++ b/Documentation/networking/ip-sysctl.txt
@@ -1216,7 +1216,8 @@ tag - INTEGER
 xfrm4_gc_thresh - INTEGER
        The threshold at which we will start garbage collecting for IPv4
        destination cache entries.  At twice this value the system will
-       refuse new allocations.
+       refuse new allocations. The value must be set below the flowcache
+       limit (4096 * number of online cpus) to take effect.
 
 igmp_link_local_mcast_reports - BOOLEAN
        Enable IGMP reports for link local multicast groups in the
@@ -1662,7 +1663,8 @@ ratelimit - INTEGER
 xfrm6_gc_thresh - INTEGER
        The threshold at which we will start garbage collecting for IPv6
        destination cache entries.  At twice this value the system will
-       refuse new allocations.
+       refuse new allocations. The value must be set below the flowcache
+       limit (4096 * number of online cpus) to take effect.
 
 
 IPv6 Update by: