linux-kernel - [PATCH v7 5/5] document: add document for kaslr

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <20180117105351.12226-6-fanc.fnst@cn.fujitsu.com>
Date:   Wed, 17 Jan 2018 18:53:51 +0800
From:   Chao Fan <fanc.fnst@...fujitsu.com>
To:     <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>
CC:     <indou.takao@...fujitsu.com>, <lcapitulino@...hat.com>,
        Chao Fan <fanc.fnst@...fujitsu.com>
Subject: [PATCH v7 5/5] document: add document for kaslr_mem

Signed-off-by: Chao Fan <fanc.fnst@...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 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.
+			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