145 	unsigned long segment_table, page_table, page_frame;  in vdso_alloc_per_cpu()  local
156 	page_table = get_zeroed_page(GFP_KERNEL | GFP_DMA);  in vdso_alloc_per_cpu()
158 	if (!segment_table || !page_table || !page_frame)  in vdso_alloc_per_cpu()
161 	arch_set_page_dat(virt_to_page(page_table), 0);  in vdso_alloc_per_cpu()
171 	clear_table((unsigned long *) page_table, _PAGE_INVALID,  in vdso_alloc_per_cpu()
174 	*(unsigned long *) segment_table = _SEGMENT_ENTRY + page_table;  in vdso_alloc_per_cpu()
175 	*(unsigned long *) page_table = _PAGE_PROTECT + page_frame;  in vdso_alloc_per_cpu()
177 	psal = (u32 *) (page_table + 256*sizeof(unsigned long));  in vdso_alloc_per_cpu()
195 	free_page(page_table);  in vdso_alloc_per_cpu()
202 	unsigned long segment_table, page_table, page_frame;  in vdso_free_per_cpu()  local
211 	page_table = *(unsigned long *) segment_table;  in vdso_free_per_cpu()
212 	page_frame = *(unsigned long *) page_table;  in vdso_free_per_cpu()
215 	free_page(page_table);  in vdso_free_per_cpu()