diff --git a/net/smc/Kconfig b/net/smc/Kconfig
index c717ef0896aa2a..33954852f3f89b 100644
--- a/net/smc/Kconfig
+++ b/net/smc/Kconfig
@@ -8,6 +8,10 @@ config SMC
 	  The Linux implementation of the SMC-R solution is designed as
 	  a separate socket family SMC.
 
+	  Warning: SMC will expose all memory for remote reads and writes
+	  once a connection is established.  Don't enable this option except
+	  for tightly controlled lab environment.
+
 	  Select this option if you want to run SMC socket applications
 
 config SMC_DIAG