From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754088AbcE1JYa (ORCPT ); Sat, 28 May 2016 05:24:30 -0400 Received: from szxga02-in.huawei.com ([119.145.14.65]:23453 "EHLO szxga02-in.huawei.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753068AbcE1JXn (ORCPT ); Sat, 28 May 2016 05:23:43 -0400 From: Zhen Lei To: Catalin Marinas , Will Deacon , linux-arm-kernel , Ganapatrao Kulkarni , Robert Richter , "David Daney" , Rob Herring , "Frank Rowand" , Grant Likely , devicetree , linux-kernel CC: Zefan Li , Xinwei Hu , "Tianhong Ding" , Hanjun Guo , Zhen Lei Subject: [PATCH v2 3/5] arm64/numa: add nid check for memory block Date: Sat, 28 May 2016 17:22:55 +0800 Message-ID: <1464427377-12712-4-git-send-email-thunder.leizhen@huawei.com> X-Mailer: git-send-email 1.9.5.msysgit.1 In-Reply-To: <1464427377-12712-1-git-send-email-thunder.leizhen@huawei.com> References: <1464427377-12712-1-git-send-email-thunder.leizhen@huawei.com> MIME-Version: 1.0 Content-Type: text/plain X-Originating-IP: [10.177.23.164] X-CFilter-Loop: Reflected X-Mirapoint-Virus-RAPID-Raw: score=unknown(0), refid=str=0001.0A020201.57496392.00F3,ss=1,re=0.000,recu=0.000,reip=0.000,cl=1,cld=1,fgs=0, ip=0.0.0.0, so=2013-06-18 04:22:30, dmn=2013-03-21 17:37:32 X-Mirapoint-Loop-Id: afaae284affbf53518da8feeb3793a7c Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Use the same tactic to cpu and numa-distance nodes. Signed-off-by: Zhen Lei --- arch/arm64/mm/numa.c | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/arch/arm64/mm/numa.c b/arch/arm64/mm/numa.c index c7fe3ec..2601660 100644 --- a/arch/arm64/mm/numa.c +++ b/arch/arm64/mm/numa.c @@ -141,6 +141,11 @@ int __init numa_add_memblk(int nid, u64 start, u64 end) { int ret; + if (nid >= MAX_NUMNODES) { + pr_warn("NUMA: Node id %u exceeds maximum value\n", nid); + return -EINVAL; + } + ret = memblock_set_node(start, (end - start), &memblock.memory, nid); if (ret < 0) { pr_err("NUMA: memblock [0x%llx - 0x%llx] failed to add on node %d\n", -- 2.5.0