diff --git a/Documentation/kernel-parameters.txt b/Documentation/kernel-parameters.txt
index 92e83e5..cdd2a6e 100644
--- a/Documentation/kernel-parameters.txt
+++ b/Documentation/kernel-parameters.txt
@@ -2385,6 +2385,11 @@
 			improve throughput, but will also increase the
 			amount of memory reserved for use by the client.
 
+	swapaccount[=0|1]
+			[KNL] Enable accounting of swap in memory resource
+			controller if no parameter or 1 is given or disable
+			it if 0 is given (See Documentation/cgroups/memory.txt)
+
 	swiotlb=	[IA-64] Number of I/O TLB slabs
 
 	switches=	[HW,M68k]