unsigned long root = SECTION_NR_TO_ROOT(section);  if (mem_section[root]) return;  sparse_alloc_root(root, nid);  if (mem_section[root]) memset(mem_section[root], 0, PAGE_SIZE); else panic("memory_present: NO MEMORY\n"); 
return 0; 
static void sparse_index_init(unsigned long section, int nid){	unsigned long root = SECTION_NR_TO_ROOT(section);	if (mem_section[root])		return;	sparse_alloc_root(root, nid);	if (mem_section[root])		memset(mem_section[root], 0, PAGE_SIZE);	else		panic("memory_present: NO MEMORY\n");}
10457	/local/tlutelli/issta_data/temp/c/2005_temp/2005/10457/28ae55c98e4d16eac9a05a8a259d7763ef3aeb18/sparse.c/clean/mm/sparse.c