#define flush_cache_range(vma, start, end) ((void)0)
#define flush_cache_page(vma, vmaddr) ((void)0)
#define flush_dcache_page(page) ((void)0)
#define flush_cache_range(vma, start, end) ((void)0)
#define flush_cache_page(vma, vmaddr) ((void)0)
#define flush_dcache_page(page) ((void)0)