linux-kernel - Re: [PATCH v6 1/4] mm: add NR_SECONDARY_PAGETABLE to count secondary page table uses.

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Message-Id: <20220817102500.440c6d0a3fce296fdf91bea6@linux-foundation.org>
Date:   Wed, 17 Aug 2022 10:25:00 -0700
From:   Andrew Morton <akpm@...ux-foundation.org>
To:     Yosry Ahmed <yosryahmed@...gle.com>
Cc:     Johannes Weiner <hannes@...xchg.org>,
        Sean Christopherson <seanjc@...gle.com>,
        Tejun Heo <tj@...nel.org>, Zefan Li <lizefan.x@...edance.com>,
        Marc Zyngier <maz@...nel.org>,
        James Morse <james.morse@....com>,
        Alexandru Elisei <alexandru.elisei@....com>,
        Suzuki K Poulose <suzuki.poulose@....com>,
        Paolo Bonzini <pbonzini@...hat.com>,
        Vitaly Kuznetsov <vkuznets@...hat.com>,
        Wanpeng Li <wanpengli@...cent.com>,
        Jim Mattson <jmattson@...gle.com>,
        Joerg Roedel <joro@...tes.org>,
        Michal Hocko <mhocko@...nel.org>,
        Roman Gushchin <roman.gushchin@...ux.dev>,
        Shakeel Butt <shakeelb@...gle.com>,
        Oliver Upton <oupton@...gle.com>, Huang@...gle.com,
        Shaoqin <shaoqin.huang@...el.com>,
        Cgroups <cgroups@...r.kernel.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        linux-arm-kernel@...ts.infradead.org, kvmarm@...ts.cs.columbia.edu,
        kvm@...r.kernel.org, Linux-MM <linux-mm@...ck.org>
Subject: Re: [PATCH v6 1/4] mm: add NR_SECONDARY_PAGETABLE to count
 secondary page table uses.

On Mon, 15 Aug 2022 08:39:23 -0700 Yosry Ahmed <yosryahmed@...gle.com> wrote:

> Thanks a lot, Johannes! I haven't ifdeffed it yet so I'll send a v7
> with a few nits and collect ACKs. Andrew, would you prefer me to
> rebase on top of mm-unstable? Or will this go in through the kvm tree?
> (currently it's based on an old-ish kvm/queue).

Through KVM is OK by me, assuming there'll be ongoing work which is
dependent on this.