From: Chao Fan <fanc.fnst@cn.fujitsu.com>
To: Randy Dunlap <rdunlap@infradead.org>
Cc: <linux-kernel@vger.kernel.org>, <x86@kernel.org>, <hpa@zytor.com>,
<tglx@linutronix.de>, <mingo@redhat.com>, <bhe@redhat.com>,
<keescook@chromium.org>, <yasu.isimatu@gmail.com>,
<indou.takao@jp.fujitsu.com>, <caoj.fnst@cn.fujitsu.com>,
<douly.fnst@cn.fujitsu.com>, <linux-doc@vger.kernel.org>,
Jonathan Corbet <corbet@lwn.net>
Subject: Re: [PATCH v3 4/4] document: change the document for immovable_mem
Date: Wed, 6 Dec 2017 09:16:07 +0800 [thread overview]
Message-ID: <20171206011607.GC18006@localhost.localdomain> (raw)
In-Reply-To: <03aa7c1c-e0c6-2918-582b-631ffd471001@infradead.org>
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@vger.kernel.org
>> Cc: Jonathan Corbet <corbet@lwn.net>
>> Signed-off-by: Chao Fan <fanc.fnst@cn.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
>
>
prev parent reply other threads:[~2017-12-06 1:16 UTC|newest]
Thread overview: 21+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-12-05 8:51 [PATCH v3 0/4] kaslr: add new parameter immovable_mem=nn[KMG]@ss[KMG] to make memory hotplug work well with kaslr Chao Fan
2017-12-05 8:51 ` [PATCH v3 1/4] kaslr: add immovable_mem=nn[KMG]@ss[KMG] to specify extracting memory Chao Fan
2017-12-05 19:42 ` Kees Cook
2017-12-06 1:13 ` Chao Fan
2017-12-06 9:35 ` Baoquan He
2017-12-07 2:53 ` Chao Fan
2017-12-07 3:09 ` Baoquan He
2017-12-07 3:56 ` Chao Fan
2017-12-07 4:16 ` Dou Liyang
2017-12-07 4:58 ` Baoquan He
2017-12-07 5:31 ` Chao Fan
2017-12-05 8:51 ` [PATCH v3 2/4] kaslr: calculate the memory region in immovable node Chao Fan
2017-12-05 19:40 ` Kees Cook
2017-12-06 9:28 ` Baoquan He
2017-12-06 10:02 ` Chao Fan
2017-12-07 0:11 ` Kees Cook
2017-12-07 1:09 ` Chao Fan
2017-12-05 8:51 ` [PATCH v3 3/4] kaslr: disable memory mirror feature when movable_node specified Chao Fan
2017-12-05 8:52 ` [PATCH v3 4/4] document: change the document for immovable_mem Chao Fan
2017-12-05 17:36 ` Randy Dunlap
2017-12-06 1:16 ` Chao Fan [this message]
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