On Tue 22-11-22 16:33:09, Zhongkun He wrote: > Hi Michal, thanks for your replay and suggestions. > > > > > Yes the memory consumption is going to increase but the question is > > whether this is something that is a real problem. Is it really common to > > have many vmas with a dedicated policy? > > Yes, it does not a realy problem. > > > > > What I am arguing here is that there are essentially 2 ways forward. > > Either we continue to build up on top of the existing and arguably very > > fragile code and make it even more subtle or follow a general pattern of > > a proper reference counting (with usual tricks to reduce cache line > > bouncing and similar issues). I do not really see why memory policies > > should be any different and require very special treatment. > > > > I got it. It is rather subtle and easy to get wrong if we push forward > with the existing way and it is a good opportunity to get from the > existing subtle model. I will try that on next version. Thanks for being receptive to the review feedback! -- Michal Hocko SUSE Labs
