On Tue, 5 Sep 2017, Michal Hocko wrote: > I would argue that we should simply deprecate and later drop the sysctl. > I _strongly_ suspect anybody is using this. If yes it is not that hard > to change the kernel command like rather than select the sysctl. The > deprecation process would be > - warn when somebody writes to the sysctl and check both boot > and sysctl values > [ wait some time ] > - keep the sysctl but return EINVAL > [ wait some time ] > - remove the sysctl
Note that the behavior that would be enabled by the sysctl is the default behavior for the case of a constrained allocation. If a process does an mbind to numa node 3 and it runs out of memory then that process should be killed and the rest is fine.
