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Diffstat (limited to 'Documentation/kernel-parameters.txt')
| -rw-r--r-- | Documentation/kernel-parameters.txt | 13 |
1 files changed, 11 insertions, 2 deletions
diff --git a/Documentation/kernel-parameters.txt b/Documentation/kernel-parameters.txt index 44427607b7c6..2000977af776 100644 --- a/Documentation/kernel-parameters.txt +++ b/Documentation/kernel-parameters.txt @@ -610,8 +610,17 @@ and is between 256 and 4096 characters. It is defined in the file that could hold holes aka. UC entries. mtrr_gran_size=nn[KMG] [X86] - used for mtrr cleanup. It is granity of mtrr block. - Big value could prevent small alignment use up MTRRs. + Used for mtrr cleanup. It is granularity of mtrr block. + Default is 1. + Large value could prevent small alignment from + using up MTRRs. + + mtrr_spare_reg_nr=n [X86] + Format: <integer> + Range: 0,7 : spare reg number + Default : 1 + Used for mtrr cleanup. It is spare mtrr entries number. + Set to 2 or more if your graphical card needs more. disable_mtrr_trim [X86, Intel and AMD only] By default the kernel will trim any uncacheable |