static inline void tlb_start_vma(struct mmu_gather *tlb, struct vm_area_struct *vma)
{
	if (tlb->fullmm)
		return;

	tlb_update_vma_flags(tlb, vma);
#ifndef CONFIG_MMU_GATHER_NO_FLUSH_CACHE
	flush_cache_range(vma, vma->vm_start, vma->vm_end);
#endif
}
static inline void tlb_start_vma(struct mmu_gather *tlb, struct vm_area_struct *vma)
{
	if (tlb->fullmm)
		return;

	tlb_update_vma_flags(tlb, vma);
#ifndef CONFIG_MMU_GATHER_NO_FLUSH_CACHE
	flush_cache_range(vma, vma->vm_start, vma->vm_end);
#endif
}