On 2020-10-16 14:31, Michal Hocko wrote:
I do not like the fix though. The code is really confusing. Why should we check for flags in each iteration of the loop when it cannot change?Also why should we take the ptl lock in the first place when the look isbroken out immediately?
About checking the flags: https://lore.kernel.org/linux-mm/20190320081643.3c4m5tec5vx653sn@xxxxxxxxxxxx/#t
