/* * arch/sh/mm/mmap.c * * Copyright (C) 2008 Paul Mundt * * This file is subject to the terms and conditions of the GNU General Public * License. See the file "COPYING" in the main directory of this archive * for more details. */ #include #include #include /* * You really shouldn't be using read() or write() on /dev/mem. This * might go away in the future. */ int valid_phys_addr_range(unsigned long addr, size_t count) { if (addr < (PAGE_OFFSET + (PFN_START << PAGE_SHIFT))) return 0; if (addr + count > __pa(high_memory)) return 0; return 1; } int valid_mmap_phys_addr_range(unsigned long pfn, size_t size) { return 1; }