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 11 extern 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 24 static inline void clear_page(void *page) 25 { 26 memset(page, 0, PAGE_SIZE); 27 } 28 29 static 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 */ 36