130 	unsigned long vdso_base;  in arch_setup_additional_pages()  local
140 		vdso_base = VDSO32_MBASE;  in arch_setup_additional_pages()
149 		vdso_base = 0;  in arch_setup_additional_pages()
154 	vdso_base = VDSO32_MBASE;  in arch_setup_additional_pages()
157 	current->mm->context.vdso_base = 0;  in arch_setup_additional_pages()
175 	vdso_base = get_unmapped_area(NULL, vdso_base,  in arch_setup_additional_pages()
179 	if (IS_ERR_VALUE(vdso_base)) {  in arch_setup_additional_pages()
180 		rc = vdso_base;  in arch_setup_additional_pages()
185 	vdso_base = ALIGN(vdso_base, VDSO_ALIGNMENT);  in arch_setup_additional_pages()
192 	current->mm->context.vdso_base = vdso_base;  in arch_setup_additional_pages()
204 	rc = install_special_mapping(mm, vdso_base, vdso_pages << PAGE_SHIFT,  in arch_setup_additional_pages()
209 		current->mm->context.vdso_base = 0;  in arch_setup_additional_pages()
223 	if (vma->vm_mm && vma->vm_start == vma->vm_mm->context.vdso_base)  in arch_vma_name()