On Thu, Jul 24, 2003 at 08:26:59PM -0700, Teresa Tao wrote: > I got a question regarding the mmap'ed memory. Is the mmap'ed memory > cacheable or uncheable? My driver just use the remap_page_range to map > a reserved physical memory. Mmap(2) creates cachable mappings for everything below the highest memory address and uncached above that. That's a somewhat naive mechanism which fails a few systems but somehow nobody did complain so far ... Ralf
