When hotadd a node from add_memory(), we will add memblock first, so the node is not empty. But when from cpu_up(), the node should be empty.
Signed-off-by: Xishi Qiu <[email protected]> --- mm/page_alloc.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/mm/page_alloc.c b/mm/page_alloc.c index 2ec3ca3..d370445 100644 --- a/mm/page_alloc.c +++ b/mm/page_alloc.c @@ -5051,7 +5051,7 @@ static unsigned long __meminit zone_spanned_pages_in_node(int nid, { unsigned long zone_start_pfn, zone_end_pfn; - /* When hotadd a new node, the node should be empty */ + /* When hotadd a new node from cpu_up(), the node should be empty */ if (!node_start_pfn && !node_end_pfn) return 0; @@ -5118,7 +5118,7 @@ static unsigned long __meminit zone_absent_pages_in_node(int nid, unsigned long zone_high = arch_zone_highest_possible_pfn[zone_type]; unsigned long zone_start_pfn, zone_end_pfn; - /* When hotadd a new node, the node should be empty */ + /* When hotadd a new node from cpu_up(), the node should be empty */ if (!node_start_pfn && !node_end_pfn) return 0; -- 2.0.0 -- 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/
