mem_section[pnum].section_mem_map = 0;
ms->section_mem_map = 0;
static struct page *sparse_early_mem_map_alloc(unsigned long pnum){	struct page *map;	int nid = early_pfn_to_nid(section_nr_to_pfn(pnum));	map = alloc_remap(nid, sizeof(struct page) * PAGES_PER_SECTION);	if (map)		return map;	map = alloc_bootmem_node(NODE_DATA(nid),			sizeof(struct page) * PAGES_PER_SECTION);	if (map)		return map;	printk(KERN_WARNING "%s: allocation failed\n", __FUNCTION__);	mem_section[pnum].section_mem_map = 0;	return NULL;}