/*
* Get IO TLB memory from the low pages
*/
- io_tlb_start = alloc_bootmem_low_pages_limit(io_tlb_nslabs *
- (1 << IO_TLB_SHIFT), 0x100000000);
+ io_tlb_start = alloc_bootmem_low_pages(io_tlb_nslabs * (1 << IO_TLB_SHIFT));
if (!io_tlb_start)
panic("Cannot allocate SWIOTLB buffer");
io_tlb_end = io_tlb_start + io_tlb_nslabs * (1 << IO_TLB_SHIFT);