fix_range(mm, 0, host_task_size, 0); 
end = proc_mm ? task_size : CONFIG_STUB_START; fix_range(mm, 0, end, 0); 
void flush_tlb_mm_skas(struct mm_struct *mm){	/* Don't bother flushing if this address space is about to be         * destroyed.         */        if(atomic_read(&mm->mm_users) == 0)                return;        fix_range(mm, 0, host_task_size, 0);}
4520	/local/tlutelli/issta_data/temp/c/2005_temp/2005/4520/d67b569f5f620c0fb95d5212642746b7ba9d29e4/tlb.c/buggy/arch/um/kernel/skas/tlb.c