if (!mem_section[section].section_mem_map) mem_section[section].section_mem_map = SECTION_MARKED_PRESENT; 
struct mem_section *ms;  sparse_index_init(section, nid);  ms = __nr_to_section(section); if (!ms->section_mem_map) ms->section_mem_map = SECTION_MARKED_PRESENT; 
void memory_present(int nid, unsigned long start, unsigned long end){	unsigned long pfn;	start &= PAGE_SECTION_MASK;	for (pfn = start; pfn < end; pfn += PAGES_PER_SECTION) {		unsigned long section = pfn_to_section_nr(pfn);		if (!mem_section[section].section_mem_map)			mem_section[section].section_mem_map = SECTION_MARKED_PRESENT;	}}
10457	/local/tlutelli/issta_data/temp/c/2005_temp/2005/10457/802f192e4a600f7ef84ca25c8b818c8830acef5a/sparse.c/clean/mm/sparse.c