On 07/03/2013 11:28 PM, Michal Hocko wrote: > On Wed 03-07-13 17:34:15, Joonsoo Kim wrote: > [...] >> For one page allocation at once, this patchset makes allocator slower than >> before (-5%). > > Slowing down the most used path is a no-go. Where does this slow down > come from? I guess, it might be: for one page allocation at once, comparing to the original code, this patch adds two parameters nr_pages and pages and will do extra checks for the parameter nr_pages in the allocation path. > > [...] -- Thanks. Zhang Yanfei -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@xxxxxxxxx. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: <a href=mailto:"dont@xxxxxxxxx";> email@xxxxxxxxx </a>