On Sat 05-05-18 02:10:35, Huaisheng HS1 Ye wrote: [...] > But this printk is a relatively meaningful reference within dmesg log. > Especially for people who doesn't have much experience, or someone > has a plan to modify boundary of zones within free_area_init_*. Could you be more specific please? I am not saying that the printk is pointless but it is DEBUG and as such it doesn't give us a very good picture. -- Michal Hocko SUSE Labs