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authorZhen Lei <thunder.leizhen@huawei.com>2015-09-09 01:04:19 +0300
committerLinus Torvalds <torvalds@linux-foundation.org>2015-09-09 01:35:28 +0300
commit4ada0c5a2daf11816180ec30bdbdbed1f6ff3224 (patch)
tree2e260355ed4773aa6b72ba23de54c4535d2f5770 /mm
parentb5685e9263a6f3a8da546b8a46382f18a63745c9 (diff)
downloadlinux-4ada0c5a2daf11816180ec30bdbdbed1f6ff3224.tar.xz
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 <thunder.leizhen@huawei.com> Acked-by: David Rientjes <rientjes@google.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'mm')
-rw-r--r--mm/page_alloc.c3
1 files changed, 2 insertions, 1 deletions
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);