diff options
Diffstat (limited to 'Documentation')
-rw-r--r-- | Documentation/kernel-parameters.txt | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/Documentation/kernel-parameters.txt b/Documentation/kernel-parameters.txt index e30d8fe4e4b1..f7492cd10093 100644 --- a/Documentation/kernel-parameters.txt +++ b/Documentation/kernel-parameters.txt | |||
@@ -847,6 +847,10 @@ and is between 256 and 4096 characters. It is defined in the file | |||
847 | than 32 bit addressing. The default is to look | 847 | than 32 bit addressing. The default is to look |
848 | for translation below 32 bit and if not available | 848 | for translation below 32 bit and if not available |
849 | then look in the higher range. | 849 | then look in the higher range. |
850 | strict [Default Off] | ||
851 | With this option on every unmap_single operation will | ||
852 | result in a hardware IOTLB flush operation as opposed | ||
853 | to batching them for performance. | ||
850 | 854 | ||
851 | io_delay= [X86-32,X86-64] I/O delay method | 855 | io_delay= [X86-32,X86-64] I/O delay method |
852 | 0x80 | 856 | 0x80 |