Hello tejun, On 09/26/2013 11:39 PM, Zhang Yanfei wrote: > On 09/26/2013 10:46 PM, Tejun Heo wrote: >> On Wed, Sep 25, 2013 at 02:29:06AM +0800, Zhang Yanfei wrote: >>> +/** >>> + * memory_map_top_down - Map [map_start, map_end) top down >>> + * @map_start: start address of the target memory range >>> + * @map_end: end address of the target memory range >>> + * >>> + * This function will setup direct mapping for memory range >>> + * [map_start, map_end) in top-down. >> >> Can you please put a bit more effort into the function description? > > Sorry.... I will try to make a more detailed description. Trying below: /** * memory_map_top_down - Map [map_start, map_end) top down * @map_start: start address of the target memory range * @map_end: end address of the target memory range * * This function will setup direct mapping for memory range * [map_start, map_end) in top-down. That said, the page tables * will be allocated at the end of the memory, and we map the * memory top-down. */ static void __init memory_map_top_down(unsigned long map_start, unsigned long map_end) { Thanks. > >> >> Other than that, >> >> Acked-by: Tejun Heo <tj@xxxxxxxxxx> > > Thanks. > -- Thanks. Zhang Yanfei -- To unsubscribe from this list: send the line "unsubscribe linux-doc" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html