1 files changed, 4 insertions, 0 deletions

diff --git a/Documentation/x86/x86_64/boot-options.txt b/Documentation/x86/x86_64/boot-options.txt
index 29a6ff8bc7d3..01150c64aa73 100644
--- a/Documentation/x86/x86_64/boot-options.txt
+++ b/Documentation/x86/x86_64/boot-options.txt
@@ -166,6 +166,10 @@ NUMA
 
   numa=noacpi   Don't parse the SRAT table for NUMA setup
 
+  numa=fake=<size>[MG]
+                If given as a memory unit, fills all system RAM with nodes of
+                size interleaved over physical nodes.
+
   numa=fake=CMDLINE
                 If a number, fakes CMDLINE nodes and ignores NUMA setup of the
                 actual machine.  Otherwise, system memory is configured