- return !is_buffer_dma_capable(dma_get_mask(hwdev), addr, size);
-}
-
-static inline int range_needs_mapping(void *ptr, size_t size)
-{
- return swiotlb_force || swiotlb_arch_range_needs_mapping(ptr, size);
-}
-
-static int is_swiotlb_buffer(char *addr)
-{
- return addr >= io_tlb_start && addr < io_tlb_end;
+ if (!io_tlb_overflow_buffer)
+ return;
+
+ if (late_alloc) {
+ free_pages((unsigned long)io_tlb_overflow_buffer,
+ get_order(io_tlb_overflow));
+ free_pages((unsigned long)io_tlb_orig_addr,
+ get_order(io_tlb_nslabs * sizeof(phys_addr_t)));
+ free_pages((unsigned long)io_tlb_list, get_order(io_tlb_nslabs *
+ sizeof(int)));
+ free_pages((unsigned long)io_tlb_start,
+ get_order(io_tlb_nslabs << IO_TLB_SHIFT));
+ } else {
+ free_bootmem_late(__pa(io_tlb_overflow_buffer),
+ io_tlb_overflow);
+ free_bootmem_late(__pa(io_tlb_orig_addr),
+ io_tlb_nslabs * sizeof(phys_addr_t));
+ free_bootmem_late(__pa(io_tlb_list),
+ io_tlb_nslabs * sizeof(int));
+ free_bootmem_late(__pa(io_tlb_start),
+ io_tlb_nslabs << IO_TLB_SHIFT);
+ }