linux-kernel - Re: [PATCH v3 4/4] document: change the document for immovable

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Date:   Wed, 6 Dec 2017 09:16:07 +0800
From:   Chao Fan <fanc.fnst@...fujitsu.com>
To:     Randy Dunlap <rdunlap@...radead.org>
CC:     <linux-kernel@...r.kernel.org>, <x86@...nel.org>, <hpa@...or.com>,
        <tglx@...utronix.de>, <mingo@...hat.com>, <bhe@...hat.com>,
        <keescook@...omium.org>, <yasu.isimatu@...il.com>,
        <indou.takao@...fujitsu.com>, <caoj.fnst@...fujitsu.com>,
        <douly.fnst@...fujitsu.com>, <linux-doc@...r.kernel.org>,
        Jonathan Corbet <corbet@....net>
Subject: Re: [PATCH v3 4/4] document: change the document for immovable_mem

On Tue, Dec 05, 2017 at 09:36:24AM -0800, Randy Dunlap wrote:
>On 12/05/2017 12:52 AM, Chao Fan wrote:
>> Add the document for the change of new parameter
>> immovable_mem=nn[KMG]@ss[KMG].
>> 
>> Cc: linux-doc@...r.kernel.org
>> Cc: Jonathan Corbet <corbet@....net>
>> Signed-off-by: Chao Fan <fanc.fnst@...fujitsu.com>
>> ---
>>  Documentation/admin-guide/kernel-parameters.txt | 9 +++++++++
>>  1 file changed, 9 insertions(+)
>> 
>> diff --git a/Documentation/admin-guide/kernel-parameters.txt b/Documentation/admin-guide/kernel-parameters.txt
>> index b74e13312fdc..eea755af697f 100644
>> --- a/Documentation/admin-guide/kernel-parameters.txt
>> +++ b/Documentation/admin-guide/kernel-parameters.txt
>> @@ -2355,6 +2355,15 @@
>>  			allocations which rules out almost all kernel
>>  			allocations. Use with caution!
>>  
>> +	immovable_mem=nn[KMG]@ss[KMG]
>
>	immovable_mem=nn[KMG][@ss[KMG]]
>
>> +			[KNL] Force usage of a specific region of memory.
>> +			Make memory hotplug  work well with KASLR.
>
>			                   ^^only one space, please
>
>> +			Region of memory in immovable node is from ss to ss+nn.> +			Multiple regions can be specified, comma delimited.
>			If ss is omitted, it defaults to 0.

Sorry for the mistake. Will change it in next version.

Thanks,
Chao Fan

>> +			Notice: we support 4 regions at most now.
>> +			Example:
>> +			immovable_mem=1G,500M@2G,1G@4G
>> +
>>  	MTD_Partition=	[MTD]
>>  			Format: <name>,<region-number>,<size>,<offset>
>>  
>> 
>
>
>-- 
>~Randy
>
>