page_32.h (773B)
1/* SPDX-License-Identifier: GPL-2.0 */ 2#ifndef _ASM_X86_PAGE_32_H 3#define _ASM_X86_PAGE_32_H 4 5#include <asm/page_32_types.h> 6 7#ifndef __ASSEMBLY__ 8 9#define __phys_addr_nodebug(x) ((x) - PAGE_OFFSET) 10#ifdef CONFIG_DEBUG_VIRTUAL 11extern unsigned long __phys_addr(unsigned long); 12#else 13#define __phys_addr(x) __phys_addr_nodebug(x) 14#endif 15#define __phys_addr_symbol(x) __phys_addr(x) 16#define __phys_reloc_hide(x) RELOC_HIDE((x), 0) 17 18#ifdef CONFIG_FLATMEM 19#define pfn_valid(pfn) ((pfn) < max_mapnr) 20#endif /* CONFIG_FLATMEM */ 21 22#include <linux/string.h> 23 24static inline void clear_page(void *page) 25{ 26 memset(page, 0, PAGE_SIZE); 27} 28 29static inline void copy_page(void *to, void *from) 30{ 31 memcpy(to, from, PAGE_SIZE); 32} 33#endif /* !__ASSEMBLY__ */ 34 35#endif /* _ASM_X86_PAGE_32_H */