tlb->freed = 0;
tlb_gather_mmu(struct mm_struct *mm, unsigned int full_mm_flush){	struct mmu_gather *tlb = &get_cpu_var(mmu_gathers);	tlb->mm = mm;	/* Use fast mode if only one CPU is online */	tlb->nr = num_online_cpus() > 1 ? 0U : ~0U;	tlb->fullmm = full_mm_flush;	tlb->freed = 0;	return tlb;}