> > OK, also make sure that the zsmalloc support is implemented before zram > depends on it. > OK. I got it. > > This is not really answering my question though. memcg under hard limit > is not really my concern. This is a simpler case. I am not saying it > doesn't need to get addresses but it is the memcg hard limited case that > is much more interested. Because your charges are going to fail very > likely and that would mean that swapout would fail AFAIU. If my > understanding is wrong then it would really help to describe that case > much more in the changelog. > OK, Got it. In many cases I have tested, it will not fail because we did not charge the page directly，but the objects(like slab,compressed page), for the zspage may be shared by any memcg. > -- > Michal Hocko > SUSE Labs
