return nodes_online(nodes); 
return nodes_subset(*nodes, node_online_map) ? 0 : -EINVAL; 
static int mpol_check_policy(int mode, unsigned long *nodes){	int empty = bitmap_empty(nodes, MAX_NUMNODES);	switch (mode) {	case MPOL_DEFAULT:		if (!empty)			return -EINVAL;		break;	case MPOL_BIND:	case MPOL_INTERLEAVE:		/* Preferred will only use the first bit, but allow		   more for now. */		if (empty)			return -EINVAL;		break;	}	return nodes_online(nodes);}
10457	/local/tlutelli/issta_data/temp/c/2005_temp/2005/10457/dfcd3c0dc426bb75770c34b40e14f2da8845ea62/mempolicy.c/buggy/mm/mempolicy.c