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 <[email protected]> --- 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 from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
