From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-pa0-f48.google.com (mail-pa0-f48.google.com [209.85.220.48]) by kanga.kvack.org (Postfix) with ESMTP id 7AD196B0038 for ; Sat, 29 Aug 2015 03:37:40 -0400 (EDT) Received: by padhm10 with SMTP id hm10so29485621pad.3 for ; Sat, 29 Aug 2015 00:37:40 -0700 (PDT) Received: from szxga02-in.huawei.com (szxga02-in.huawei.com. [119.145.14.65]) by mx.google.com with ESMTPS id qv6si13997572pbb.35.2015.08.29.00.37.38 for (version=TLSv1 cipher=RC4-SHA bits=128/128); Sat, 29 Aug 2015 00:37:39 -0700 (PDT) From: 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> MIME-Version: 1.0 Content-Type: text/plain Sender: owner-linux-mm@kvack.org List-ID: 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 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 --- mm/page_alloc.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) 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); -- 2.5.0 -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@kvack.org. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: email@kvack.org