Pages marked as LOCAL_NODE_DATA are skipped when we do memory offline. So we have to skip them again when we do memory online. Signed-off-by: Tang Chen <tangchen@xxxxxxxxxxxxxx> --- mm/memory_hotplug.c | 5 +++++ 1 files changed, 5 insertions(+), 0 deletions(-) diff --git a/mm/memory_hotplug.c b/mm/memory_hotplug.c index c2017eb..3561048 100644 --- a/mm/memory_hotplug.c +++ b/mm/memory_hotplug.c @@ -843,6 +843,11 @@ static int online_pages_range(unsigned long start_pfn, unsigned long nr_pages, if (PageReserved(pfn_to_page(start_pfn))) for (i = 0; i < nr_pages; i++) { page = pfn_to_page(start_pfn + i); + + /* Skip pages storing local node kernel data. */ + if (is_local_node_data(page)) + continue; + (*online_page_callback)(page); onlined_pages++; } -- 1.7.1 -- To unsubscribe from this list: send the line "unsubscribe linux-doc" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html