On 26/03/20 18:43, Thomas Voegtle wrote: > > Hello, > > the following one line commit > > commit 7df003c85218b5f5b10a7f6418208f31e813f38f > Author: Zhuang Yanying <ann.zhuangyanying@xxxxxxxxxx> > Date: Sat Oct 12 11:37:31 2019 +0800 > > KVM: fix overflow of zero page refcount with ksm running > > > applies cleanly to v5.5.y, v5.4.y, 4.19.y, v4.14.y and v4.9.y. > > I actually ran into that bug on 4.9.y > > Thanks in advance, > > Thomas > > > Yes, indeed. It's not a trivial backport though, so I prefer to do it manually. I can help with that, or with reviews if Yanying already has patches ready. Thanks, Paolo