2666 	struct mmu_gather tlb;  in unmap_region()  local
2670 	tlb_gather_mmu(&tlb, mm);  in unmap_region()
2672 	unmap_vmas(&tlb, vma, start, end);  in unmap_region()
2684 			tlb_flush_mmu(&tlb);  in unmap_region()
2689 	free_pgtables(&tlb, vma, prev ? prev->vm_end : FIRST_USER_ADDRESS,  in unmap_region()
2691 	tlb_finish_mmu(&tlb);  in unmap_region()
3167 	struct mmu_gather tlb;  in exit_mmap()  local
3211 	tlb_gather_mmu_fullmm(&tlb, mm);  in exit_mmap()
3214 	unmap_vmas(&tlb, vma, 0, -1);  in exit_mmap()
3215 	free_pgtables(&tlb, vma, FIRST_USER_ADDRESS, USER_PGTABLES_CEILING);  in exit_mmap()
3216 	tlb_finish_mmu(&tlb);  in exit_mmap()