On Wed, 25 May 2016 14:00:07 -0700 Yang Shi <yang.shi@xxxxxxxxxx> wrote: > register_page_bootmem_info_node() is invoked in mem_init(), so it will be > called before page_alloc_init_late() if CONFIG_DEFERRED_STRUCT_PAGE_INIT > is enabled. But, pfn_to_nid() depends on memmap which won't be fully setup > until page_alloc_init_late() is done, so replace pfn_to_nid() by > early_pfn_to_nid(). What are the runtime effects of this fix? -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@xxxxxxxxx. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: <a href=mailto:"dont@xxxxxxxxx";> email@xxxxxxxxx </a>