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-rw-r--r--Documentation/sysctl/net.txt11
1 files changed, 11 insertions, 0 deletions
diff --git a/Documentation/sysctl/net.txt b/Documentation/sysctl/net.txt
index cbd05ffc606b..3201a7097e4d 100644
--- a/Documentation/sysctl/net.txt
+++ b/Documentation/sysctl/net.txt
@@ -32,6 +32,17 @@ Table : Subdirectories in /proc/sys/net
1. /proc/sys/net/core - Network core options
-------------------------------------------------------
+bpf_jit_enable
+--------------
+
+This enables Berkeley Packet Filter Just in Time compiler.
+Currently supported on x86_64 architecture, bpf_jit provides a framework
+to speed packet filtering, the one used by tcpdump/libpcap for example.
+Values :
+ 0 - disable the JIT (default value)
+ 1 - enable the JIT
+ 2 - enable the JIT and ask the compiler to emit traces on kernel log.
+
rmem_default
------------