On Wed 17-02-21 13:31:07, Michal Hocko wrote: [...] > Thanks for your usecase description. It helped me to understand what you > are doing and how this can be really useful for your particular setup. > This is really a very specific situation from my POV. I am not yet sure > this is generic enough to warrant for a yet another tunable. One thing > you can do [1] is to > hook into oom notifiers interface (register_oom_notifier) and release > pages from the callback. Forgot to mention that this would be done from a kernel module. > Why is that batter than a global tunable? > For one thing you can make the implementation tailored to your specific > usecase. As the review feedback has shown this would be more tricky to > be done in a general case. Unlike a generic solution it would allow you > to coordinate with your userspace if you need. Would something like that > work for you? > > --- > [1] and I have to say I hate myself for suggesting that because I was > really hoping this interface would go away. But the reality disagrees so > I gave up on that goal... > -- > Michal Hocko > SUSE Labs -- Michal Hocko SUSE Labs
