On Sun, 1 Jul 2018 18:40:15 -0400 (EDT) Paolo Bonzini <pbonzini@xxxxxxxxxx> wrote: > > > ----- Original Message ----- > > From: "Andrew Morton" <akpm@xxxxxxxxxxxxxxxxxxxx> > > To: "Paolo Bonzini" <pbonzini@xxxxxxxxxx> > > Cc: gthelen@xxxxxxxxxx, hannes@xxxxxxxxxxx, mhocko@xxxxxxxxxx, mm-commits@xxxxxxxxxxxxxxx, pfeiner@xxxxxxxxxx, > > rkrcmar@xxxxxxxxxx, shakeelb@xxxxxxxxxx, "vdavydov dev" <vdavydov.dev@xxxxxxxxx> > > Sent: Saturday, June 30, 2018 5:03:50 AM > > Subject: Re: + kvm-mm-account-shadow-page-tables-to-kmemcg.patch added to -mm tree > > > > On Thu, 28 Jun 2018 12:04:38 +0200 Paolo Bonzini <pbonzini@xxxxxxxxxx> wrote: > > > > > > From: Shakeel Butt <shakeelb@xxxxxxxxxx> > > > > Subject: kvm, mm: account shadow page tables to kmemcg > > > > > > > > The size of kvm's shadow page tables corresponds to the size of the guest > > > > virtual machines on the system. Large VMs can spend a significant amount > > > > of memory as shadow page tables which can not be left as system memory > > > > overhead. So, account shadow page tables to the kmemcg. > > > > > > ... > > > > > > Andrew, can you please add > > > > > > Cc: stable@xxxxxxxxxxxxxxx > > > > > > and queue it for the next -rc? Or if you prefer, I can take it through > > > the KVM tree. > > > > I sure can. But for what reason? That changelog doesn't communicate > > urgency to me? > > If it is marked for stable it would get it into the 4.18 series anyway... It is > not particularly useful to wait for 2 months before giving exposure to the patch. > What I'm asking is why this problem is considered sufficiently serious to warrant backporting into 4.17.x and earlier. And the maintainers of the various -stable kernel will wonder that as well, so we should tell them. What is the end-user impact of the current behaviour? Please see Documentation/process/stable-kernel-rules.rst -- To unsubscribe from this list: send the line "unsubscribe mm-commits" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
