if (cpu_context(cpu, mm) != 0) drop_mmu_context(mm,cpu); 
preempt_disable();  cpu = smp_processor_id();  if (cpu_context(cpu, mm) != 0) { drop_mmu_context(mm, cpu); }  preempt_enable(); 
void local_flush_tlb_mm(struct mm_struct *mm){	int cpu = smp_processor_id();	if (cpu_context(cpu, mm) != 0)		drop_mmu_context(mm,cpu);}
4520	/local/tlutelli/issta_data/temp/c/2005_temp/2005/4520/172546bf601356f94f8018af7908a9b7c1c4915c/tlb-r4k.c/clean/arch/mips/mm/tlb-r4k.c