Re: [PATCH v7 5/5] document: add document for kaslr_mem

From: Baoquan He
Date: Thu Jan 18 2018 - 22:01:11 EST


On 01/17/18 at 06:53pm, Chao Fan wrote:
> Signed-off-by: Chao Fan <fanc.fnst@xxxxxxxxxxxxxx>
> ---
> Documentation/admin-guide/kernel-parameters.txt | 10 ++++++++++
> 1 file changed, 10 insertions(+)
>
> diff --git a/Documentation/admin-guide/kernel-parameters.txt b/Documentation/admin-guide/kernel-parameters.txt
> index e2de7c006a74..f6d5adde1a73 100644
> --- a/Documentation/admin-guide/kernel-parameters.txt
> +++ b/Documentation/admin-guide/kernel-parameters.txt
> @@ -2350,6 +2350,16 @@
> allocations which rules out almost all kernel
> allocations. Use with caution!
>
> + kaslr_mem=nn[KMG][@ss[KMG]]
> + [KNL] Force usage of a specific region of memory.
[KNL] Force usage of a specific region of memory
for KASLR during kernel decompression stage.
Region of memory to be used is from ss to ss+nn.
If ss is omitted, it is equivalent to kaslr_mem=nn[KMG]@0.
Multiple regions can be specified, comma delimited.
Notice: only support 4 regions at most now.
Example:
kaslr_mem=1G,500M@2G,1G@4G

Try to rewrite the doc, just for reference.

> + Make some features, like memory hotplug and 1G huge
> + page work well with KASLR. Region of usable memory is
> + from ss to ss+nn. If ss is omitted, it defaults to 0.
> + Multiple regions can be specified, comma delimited.
> + Notice: we support 4 regions at most now.
> + Example:
> + kaslr_mem=1G,500M@2G,1G@4G
> +
> MTD_Partition= [MTD]
> Format: <name>,<region-number>,<size>,<offset>
>
> --
> 2.14.3
>
>
>