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Diffstat (limited to 'Documentation/kernel-parameters.txt')
-rw-r--r-- | Documentation/kernel-parameters.txt | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/Documentation/kernel-parameters.txt b/Documentation/kernel-parameters.txt index 54f21a5c262b..0fa3c0545994 100644 --- a/Documentation/kernel-parameters.txt +++ b/Documentation/kernel-parameters.txt | |||
@@ -491,6 +491,16 @@ and is between 256 and 4096 characters. It is defined in the file | |||
491 | Range: 0 - 8192 | 491 | Range: 0 - 8192 |
492 | Default: 64 | 492 | Default: 64 |
493 | 493 | ||
494 | dma_debug=off If the kernel is compiled with DMA_API_DEBUG support | ||
495 | this option disables the debugging code at boot. | ||
496 | |||
497 | dma_debug_entries=<number> | ||
498 | This option allows to tune the number of preallocated | ||
499 | entries for DMA-API debugging code. One entry is | ||
500 | required per DMA-API allocation. Use this if the | ||
501 | DMA-API debugging code disables itself because the | ||
502 | architectural default is too low. | ||
503 | |||
494 | hpet= [X86-32,HPET] option to control HPET usage | 504 | hpet= [X86-32,HPET] option to control HPET usage |
495 | Format: { enable (default) | disable | force } | 505 | Format: { enable (default) | disable | force } |
496 | disable: disable HPET and use PIT instead | 506 | disable: disable HPET and use PIT instead |