vm_len 1972 mm/memory.c unsigned long vm_len, pfn, pages; vm_len 1995 mm/memory.c vm_len = vma->vm_end - vma->vm_start; vm_len 1996 mm/memory.c if (vm_len >> PAGE_SHIFT > pages) vm_len 2000 mm/memory.c return io_remap_pfn_range(vma, vma->vm_start, pfn, vm_len, vma->vm_page_prot); vm_len 1665 mm/nommu.c unsigned long vm_len = vma->vm_end - vma->vm_start; vm_len 1668 mm/nommu.c return io_remap_pfn_range(vma, vma->vm_start, pfn, vm_len, vma->vm_page_prot);