// SPDX-License-Identifier: GPL-2.0 #include #include #include #include unsigned long __phys_addr(unsigned long x, bool is_31bit) { VIRTUAL_BUG_ON(is_vmalloc_or_module_addr((void *)(x))); x = __pa_nodebug(x); if (is_31bit) VIRTUAL_BUG_ON(x >> 31); return x; } EXPORT_SYMBOL(__phys_addr);