diff options
Diffstat (limited to 'Documentation')
-rw-r--r-- | Documentation/x86_64/boot-options.txt | 14 |
1 files changed, 9 insertions, 5 deletions
diff --git a/Documentation/x86_64/boot-options.txt b/Documentation/x86_64/boot-options.txt index 12a9aacecaae..6177d881983f 100644 --- a/Documentation/x86_64/boot-options.txt +++ b/Documentation/x86_64/boot-options.txt | |||
@@ -153,11 +153,15 @@ NUMA | |||
153 | If a number, fakes CMDLINE nodes and ignores NUMA setup of the | 153 | If a number, fakes CMDLINE nodes and ignores NUMA setup of the |
154 | actual machine. Otherwise, system memory is configured | 154 | actual machine. Otherwise, system memory is configured |
155 | depending on the sizes and coefficients listed. For example: | 155 | depending on the sizes and coefficients listed. For example: |
156 | numa=fake=2*512,1024,4*256 | 156 | numa=fake=2*512,1024,4*256,*128 |
157 | gives two 512M nodes, a 1024M node, and four 256M nodes. The | 157 | gives two 512M nodes, a 1024M node, four 256M nodes, and the |
158 | remaining system RAM is allocated to an additional node. If | 158 | rest split into 128M chunks. If the last character of CMDLINE |
159 | the last character of CMDLINE is a *, the remaining system RAM | 159 | is a *, the remaining memory is divided up equally among its |
160 | is instead divided up equally among its coefficient. | 160 | coefficient: |
161 | numa=fake=2*512,2* | ||
162 | gives two 512M nodes and the rest split into two nodes. | ||
163 | Otherwise, the remaining system RAM is allocated to an | ||
164 | additional node. | ||
161 | 165 | ||
162 | numa=hotadd=percent | 166 | numa=hotadd=percent |
163 | Only allow hotadd memory to preallocate page structures upto | 167 | Only allow hotadd memory to preallocate page structures upto |