lkml.org 
[lkml]   [2008]   [Oct]   [9]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [PATCH 1/3] x86: mtrr_cleanup update command line
On Wed, 8 Oct 2008 18:28:39 -0700 Yinghai Lu wrote:

> On Wed, Oct 8, 2008 at 5:07 PM, Randy Dunlap <rdunlap@xenotime.net> wrote:
> > On Tue, 30 Sep 2008 16:57:39 -0700 Randy Dunlap wrote:
> >
> > BTW, this comment is alread in Documentation/kernel-parameters.txt, at the top of the file:
>
> oh...
>
> >
> > The following is a consolidated list of the kernel parameters as implemented
> > (mostly) by the __setup() macro and sorted into English Dictionary order
> > (defined as ignoring all punctuation and sorting digits before letters in a
> > case insensitive manner), and with descriptions where known.
> >
> >
> how about
>
> like to filter out disable, enable, no, etc...

I don't think that mtrr gets any special treatment here.
All "acpi" parameters are not grouped together (unless they begin with
"acpi"). All "apic" parameters are not grouped together.
All "*iommu*" parameters are not grouped together....

> diff --git a/Documentation/kernel-parameters.txt
> b/Documentation/kernel-parameters.txt
> index 4b9ee9b..782e2b0 100644
> --- a/Documentation/kernel-parameters.txt
> +++ b/Documentation/kernel-parameters.txt
> @@ -620,35 +620,6 @@ and is between 256 and 4096 characters. It is
> defined in the file
> See drivers/char/README.epca and
> Documentation/digiepca.txt.
>
> - disable_mtrr_cleanup [X86]
> - enable_mtrr_cleanup [X86]
> - The kernel tries to adjust MTRR layout from continuous
> - to discrete, to make X server driver able to add WB
> - entry later. This parameter enables/disables that.
> -
> - mtrr_chunk_size=nn[KMG] [X86]
> - used for mtrr cleanup. It is largest continous chunk
> - that could hold holes aka. UC entries.
> -
> - mtrr_gran_size=nn[KMG] [X86]
> - 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
> - memory out of your available memory pool based on
> - MTRR settings. This parameter disables that behavior,
> - possibly causing your machine to run very slowly.
> -
> dmasound= [HW,OSS] Sound subsystem buffers
>
> dscc4.setup= [NET]
> @@ -1310,6 +1281,35 @@ and is between 256 and 4096 characters. It is
> defined in the file
> [HW] Make the MicroTouch USB driver use raw coordinates
> ('y', default) or cooked coordinates ('n')
>
> + disable_mtrr_cleanup [X86]
> + enable_mtrr_cleanup [X86]
> + The kernel tries to adjust MTRR layout from continuous
> + to discrete, to make X server driver able to add WB
> + entry later. This parameter enables/disables that.
> +
> + mtrr_chunk_size=nn[KMG] [X86]
> + used for mtrr cleanup. It is largest continous chunk
> + that could hold holes aka. UC entries.
> +
> + mtrr_gran_size=nn[KMG] [X86]
> + 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
> + memory out of your available memory pool based on
> + MTRR settings. This parameter disables that behavior,
> + possibly causing your machine to run very slowly.
> +
> n2= [NET] SDL Inc. RISCom/N2 synchronous serial card
>
> NCR_D700= [HW,SCSI]
>


---
~Randy

\
 
 \ /
  Last update: 2008-10-09 19:23    [from the cache]
©2003-2011 Jasper Spaans