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 from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/