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-rw-r--r--Documentation/x86_64/boot-options.txt4
1 files changed, 3 insertions, 1 deletions
diff --git a/Documentation/x86_64/boot-options.txt b/Documentation/x86_64/boot-options.txt
index 7500aad95f3..12a9aacecaa 100644
--- a/Documentation/x86_64/boot-options.txt
+++ b/Documentation/x86_64/boot-options.txt
@@ -155,7 +155,9 @@ NUMA
depending on the sizes and coefficients listed. For example:
numa=fake=2*512,1024,4*256
gives two 512M nodes, a 1024M node, and four 256M nodes. The
- remaining system RAM is allocated to an additional node.
+ remaining system RAM is allocated to an additional node. If
+ the last character of CMDLINE is a *, the remaining system RAM
+ is instead divided up equally among its coefficient.
numa=hotadd=percent
Only allow hotadd memory to preallocate page structures upto