Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S938959AbcKNWCx (ORCPT ); Mon, 14 Nov 2016 17:02:53 -0500 Received: from mx0a-001b2d01.pphosted.com ([148.163.156.1]:41116 "EHLO mx0a-001b2d01.pphosted.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S933367AbcKNWCs (ORCPT ); Mon, 14 Nov 2016 17:02:48 -0500 From: Reza Arbab To: Michael Ellerman , Benjamin Herrenschmidt , Paul Mackerras , Andrew Morton , Rob Herring , Frank Rowand , Thomas Gleixner , Ingo Molnar , "H. Peter Anvin" Cc: linuxppc-dev@lists.ozlabs.org, linux-mm@kvack.org, devicetree@vger.kernel.org, Bharata B Rao , Nathan Fontenot , Stewart Smith , Alistair Popple , Balbir Singh , "Aneesh Kumar K.V" , linux-kernel@vger.kernel.org Subject: [PATCH v7 5/5] dt: add documentation of "hotpluggable" memory property Date: Mon, 14 Nov 2016 16:02:41 -0600 X-Mailer: git-send-email 1.8.3.1 In-Reply-To: <1479160961-25840-1-git-send-email-arbab@linux.vnet.ibm.com> References: <1479160961-25840-1-git-send-email-arbab@linux.vnet.ibm.com> X-TM-AS-GCONF: 00 X-Content-Scanned: Fidelis XPS MAILER x-cbid: 16111422-8235-0000-0000-0000099D2E26 X-IBM-SpamModules-Scores: X-IBM-SpamModules-Versions: BY=3.00006078; HX=3.00000240; KW=3.00000007; PH=3.00000004; SC=3.00000189; SDB=6.00780703; UDB=6.00376497; IPR=6.00558205; BA=6.00004879; NDR=6.00000001; ZLA=6.00000005; ZF=6.00000009; ZB=6.00000000; ZP=6.00000000; ZH=6.00000000; ZU=6.00000002; MB=3.00013326; XFM=3.00000011; UTC=2016-11-14 22:02:46 X-IBM-AV-DETECTION: SAVI=unused REMOTE=unused XFE=unused x-cbparentid: 16111422-8236-0000-0000-00003676D871 Message-Id: <1479160961-25840-6-git-send-email-arbab@linux.vnet.ibm.com> X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10432:,, definitions=2016-11-14_13:,, signatures=0 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 spamscore=0 suspectscore=0 malwarescore=0 phishscore=0 adultscore=0 bulkscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.0.1-1609300000 definitions=main-1611140421 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1035 Lines: 27 Summarize the "hotpluggable" property of dt memory nodes. Signed-off-by: Reza Arbab --- Documentation/devicetree/booting-without-of.txt | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/Documentation/devicetree/booting-without-of.txt b/Documentation/devicetree/booting-without-of.txt index 3f1437f..280d283 100644 --- a/Documentation/devicetree/booting-without-of.txt +++ b/Documentation/devicetree/booting-without-of.txt @@ -974,6 +974,13 @@ compatibility. 4Gb. Some vendors prefer splitting those ranges into smaller segments, but the kernel doesn't care. + Additional properties: + + - hotpluggable : The presence of this property provides an explicit + hint to the operating system that this memory may potentially be + removed later. The kernel can take this into consideration when + doing nonmovable allocations and when laying out memory zones. + e) The /chosen node This node is a bit "special". Normally, that's where Open Firmware -- 1.8.3.1