From 4ada0c5a2daf11816180ec30bdbdbed1f6ff3224 Mon Sep 17 00:00:00 2001 From: Zhen Lei Date: Tue, 8 Sep 2015 15:04:19 -0700 Subject: [PATCH] mm/page_alloc.c: fix type information of memoryless node 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 Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- 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 b0fda2b9ca76..4a4c399baceb 100644 --- a/mm/page_alloc.c +++ b/mm/page_alloc.c @@ -5476,7 +5476,8 @@ 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); -- 2.20.1