On 13:16 Thu 02 Apr , Ralf Baechle wrote: > On Thu, Apr 02, 2009 at 03:41:45PM +0800, Zhang Le wrote: > > > I have taken Wu Zhangjin's and Philippe Vachon's version as references, did a > > little modification and tested on 16K page size kernel. It works well. > > > > Unfornately although it already has defined cpu_has_dc_aliases as 1, 4k page > > size still not working. More work needed here. > > Adding this file is only a matter of kernel optimization. You may have > saved as much as several hundred kb! But it won't get a kernel > that wasn't working before to work. If anything the opposite ... I see. Thanks. BTW, I have just made another little change: #define cpu_has_dc_aliases (PAGE_SIZE < 0x4000) Since waysize is 16k. Anyway, it is good to include this file now, or postpone it a little later? If yes, then I will send a new version soon. Zhang, Le