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[209.132.180.67]) by mx.google.com with ESMTP id lx10si14020326pdb.65.2015.08.29.00.36.04; Sat, 29 Aug 2015 00:36:08 -0700 (PDT) Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752415AbbH2Hfi (ORCPT + 28 others); Sat, 29 Aug 2015 03:35:38 -0400 Received: from szxga02-in.huawei.com ([119.145.14.65]:61203 "EHLO szxga02-in.huawei.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752231AbbH2Hfh (ORCPT ); Sat, 29 Aug 2015 03:35:37 -0400 Received: from 172.24.1.51 (EHLO szxeml433-hub.china.huawei.com) ([172.24.1.51]) by szxrg02-dlp.huawei.com (MOS 4.3.7-GA FastPath queued) with ESMTP id CRK14301; Sat, 29 Aug 2015 15:35:27 +0800 (CST) Received: from localhost (10.177.23.164) by szxeml433-hub.china.huawei.com (10.82.67.210) with Microsoft SMTP Server id 14.3.235.1; Sat, 29 Aug 2015 15:35:15 +0800 From: Zhen Lei To: Andrew Morton , Michal Hocko , Tejun Heo , Johannes Weiner , "Vladimir Davydov" , Joonsoo Kim , linux-mm , linux-kernel CC: Zefan Li , Xinwei Hu , "Tianhong Ding" , Hanjun Guo , Zhen Lei Subject: [PATCH 1/1] mm: fix type information of memoryless node Date: Sat, 29 Aug 2015 15:34:45 +0800 Message-ID: <1440833685-32372-1-git-send-email-thunder.leizhen@huawei.com> X-Mailer: git-send-email 1.9.5.msysgit.1 MIME-Version: 1.0 X-Originating-IP: [10.177.23.164] X-CFilter-Loop: Reflected Sender: linux-kernel-owner@vger.kernel.org Precedence: list List-ID: X-Mailing-List: linux-kernel@vger.kernel.org X-Removed-Original-Auth: Dkim didn't pass. X-Original-Sender: thunder.leizhen@huawei.com X-Original-Authentication-Results: mx.google.com; spf=pass (google.com: domain of patch+caf_=patchwork-forward=linaro.org@linaro.org designates 209.85.217.177 as permitted sender) smtp.mailfrom=patch+caf_=patchwork-forward=linaro.org@linaro.org Mailing-list: list patchwork-forward@linaro.org; contact patchwork-forward+owners@linaro.org X-Google-Group-Id: 836684582541 List-Post: , List-Help: , List-Archive: List-Unsubscribe: , For a memoryless node, the output of get_pfn_range_for_nid are all zero. It will display mem from 0 to -1. Signed-off-by: Zhen Lei Acked-by: David Rientjes --- mm/page_alloc.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) -- 2.5.0 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/ diff --git a/mm/page_alloc.c b/mm/page_alloc.c index 5b5240b..5839f31 100644 --- a/mm/page_alloc.c +++ b/mm/page_alloc.c @@ -5455,7 +5455,8 @@ void __paginginit free_area_init_node(int nid, unsigned long *zones_size, #ifdef CONFIG_HAVE_MEMBLOCK_NODE_MAP get_pfn_range_for_nid(nid, &start_pfn, &end_pfn); pr_info("Initmem setup node %d [mem %#018Lx-%#018Lx]\n", nid, - (u64)start_pfn << PAGE_SHIFT, ((u64)end_pfn << PAGE_SHIFT) - 1); + (u64)start_pfn << PAGE_SHIFT, + end_pfn ? ((u64)end_pfn << PAGE_SHIFT) - 1 : 0); #endif calculate_node_totalpages(pgdat, start_pfn, end_pfn, zones_size, zholes_size);