From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752531AbdLLMH5 (ORCPT ); Tue, 12 Dec 2017 07:07:57 -0500 Received: from mail.cn.fujitsu.com ([183.91.158.132]:22510 "EHLO heian.cn.fujitsu.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1752410AbdLLMHx (ORCPT ); Tue, 12 Dec 2017 07:07:53 -0500 X-IronPort-AV: E=Sophos;i="5.43,368,1503331200"; d="scan'208";a="31273671" From: Chao Fan To: , , , , , , , CC: , , , Chao Fan Subject: [PATCH v4 4/4] document: change the document for immovable_mem Date: Tue, 12 Dec 2017 20:07:05 +0800 Message-ID: <20171212120705.5591-5-fanc.fnst@cn.fujitsu.com> X-Mailer: git-send-email 2.14.3 In-Reply-To: <20171212120705.5591-1-fanc.fnst@cn.fujitsu.com> References: <20171212120705.5591-1-fanc.fnst@cn.fujitsu.com> MIME-Version: 1.0 Content-Type: text/plain X-yoursite-MailScanner-ID: 1F3EC486A761.A9A4D X-yoursite-MailScanner: Found to be clean X-yoursite-MailScanner-From: fanc.fnst@cn.fujitsu.com Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Add the document for the change of new parameter immovable_mem=nn[KMG][@ss[KMG]]. Signed-off-by: Chao Fan --- 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 b5b527227afe..1d8aea01e2f6 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: ,,, -- 2.14.3