hash__flush_range
void hash__flush_range(struct mm_struct *mm, unsigned long start, unsigned long end);
hash__flush_range(mm, start, end);
hash__flush_range(tlb->mm, tlb->start, tlb->end);
EXPORT_SYMBOL(hash__flush_range);
hash__flush_range(mp->vm_mm, mp->vm_start, mp->vm_end);