1 files changed, 3 insertions, 0 deletions

diff --git a/Documentation/kernel-parameters.txt b/Documentation/kernel-parameters.txt
index 9a541486fb7e..854744bde224 100644
--- a/Documentation/kernel-parameters.txt
+++ b/Documentation/kernel-parameters.txt
@@ -1885,6 +1885,9 @@ and is between 256 and 4096 characters. It is defined in the file
                         vdso=1: enable VDSO (default)
                         vdso=0: disable VDSO mapping
 
+        vector=         [IA-64,SMP]
+                        vector=percpu: enable percpu vector domain
+
         video=          [FB] Frame buffer configuration
                         See Documentation/fb/modedb.txt.