From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mx0a-001b2d01.pphosted.com (mx0a-001b2d01.pphosted.com [148.163.156.1]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by lists.ozlabs.org (Postfix) with ESMTPS id 3tHkzG58zZzDvhj for ; Tue, 15 Nov 2016 09:02:49 +1100 (AEDT) Received: from pps.filterd (m0098399.ppops.net [127.0.0.1]) by mx0a-001b2d01.pphosted.com (8.16.0.17/8.16.0.17) with SMTP id uAELwWoD105224 for ; Mon, 14 Nov 2016 17:02:47 -0500 Received: from e31.co.us.ibm.com (e31.co.us.ibm.com [32.97.110.149]) by mx0a-001b2d01.pphosted.com with ESMTP id 26qm3auu5x-1 (version=TLSv1.2 cipher=AES256-SHA bits=256 verify=NOT) for ; Mon, 14 Nov 2016 17:02:47 -0500 Received: from localhost by e31.co.us.ibm.com with IBM ESMTP SMTP Gateway: Authorized Use Only! Violators will be prosecuted for from ; Mon, 14 Nov 2016 15:02:46 -0700 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 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> Message-Id: <1479160961-25840-6-git-send-email-arbab@linux.vnet.ibm.com> List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , 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