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From: Chao Fan <fanc.fnst@cn.fujitsu.com>
To: <linux-kernel@vger.kernel.org>, <x86@kernel.org>, <hpa@zytor.com>,
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CC: <indou.takao@jp.fujitsu.com>, <caoj.fnst@cn.fujitsu.com>,
        <douly.fnst@cn.fujitsu.com>, Chao Fan <fanc.fnst@cn.fujitsu.com>
Subject: [PATCH v5 4/4] document: change the document for immovable_mem
Date: Thu, 4 Jan 2018 16:02:19 +0800
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Add the document for the change of new parameter
immovable_mem=nn[KMG][@ss[KMG]].

Signed-off-by: Chao Fan <fanc.fnst@cn.fujitsu.com>
---
 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 7041c6710f22..41b69a010d1a 100644
--- a/Documentation/admin-guide/kernel-parameters.txt
+++ b/Documentation/admin-guide/kernel-parameters.txt
@@ -2352,6 +2352,16 @@
 			allocations which rules out almost all kernel
 			allocations. Use with caution!
 
+	immovable_mem=nn[KMG][@ss[KMG]]
+			[KNL] Force usage of a specific region of memory.
+			Make memory hotplug work well with KASLR.
+			Region of memory in immovable node 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:
+			immovable_mem=1G,500M@2G,1G@4G
+
 	MTD_Partition=	[MTD]
 			Format: <name>,<region-number>,<size>,<offset>
 
-- 
2.14.3