#ifndef _ASM_IA64_CACHEFLUSH_H#define _ASM_IA64_CACHEFLUSH_H /* * Copyright (C) 2002 Hewlett-Packard Co *	David Mosberger-Tang <davidm@hpl.hp.com> */ #include <linux/page-flags.h> #include <asm/bitops.h>#include <asm/page.h> /* * Cache flushing routines.  This is the kind of stuff that can be very expensive, so try * to avoid them whenever possible. */ #define flush_cache_all()			do { } while (0)#define flush_cache_mm(mm)			do { } while (0)#define flush_cache_range(vma, start, end)	do { } while (0)#define flush_cache_page(vma, vmaddr, pfn)	do { } while (0)#define flush_icache_page(vma,page)		do { } while (0)#define flush_cache_vmap(start, end)		do { } while (0)#define flush_cache_vunmap(start, end)		do { } while (0) #define flush_dcache_page(page)			\do {						\	clear_bit(PG_arch_1, &(page)->flags);	\} while (0) #define flush_dcache_mmap_lock(mapping)		do { } while (0)#define flush_dcache_mmap_unlock(mapping)	do { } while (0) extern void flush_icache_range (unsigned long start, unsigned long end); #define flush_icache_user_range(vma, page, user_addr, len)					\do {												\	unsigned long _addr = (unsigned long) page_address(page) + ((user_addr) & ~PAGE_MASK);	\	flush_icache_range(_addr, _addr + (len));						\} while (0) #define copy_to_user_page(vma, page, vaddr, dst, src, len) \do { memcpy(dst, src, len); \     flush_icache_user_range(vma, page, vaddr, len); \} while (0)#define copy_from_user_page(vma, page, vaddr, dst, src, len) \	memcpy(dst, src, len) #endif /* _ASM_IA64_CACHEFLUSH_H */