Re: [PATCH v6 2/4] KVM: mmu: add a helper to account memory used by KVM MMU.

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To: Yosry Ahmed <yosryahmed@xxxxxxxxxx>
Subject: Re: [PATCH v6 2/4] KVM: mmu: add a helper to account memory used by KVM MMU.
From: Marc Zyngier <maz@xxxxxxxxxx>
Date: Wed, 29 Jun 2022 11:30:10 +0100
Cc: Tejun Heo <tj@xxxxxxxxxx>, Johannes Weiner <hannes@xxxxxxxxxxx>, Zefan Li <lizefan.x@xxxxxxxxxxxxx>, James Morse <james.morse@xxxxxxx>, Alexandru Elisei <alexandru.elisei@xxxxxxx>, Suzuki K Poulose <suzuki.poulose@xxxxxxx>, Paolo Bonzini <pbonzini@xxxxxxxxxx>, Sean Christopherson <seanjc@xxxxxxxxxx>, Vitaly Kuznetsov <vkuznets@xxxxxxxxxx>, Wanpeng Li <wanpengli@xxxxxxxxxxx>, Jim Mattson <jmattson@xxxxxxxxxx>, Joerg Roedel <joro@xxxxxxxxxx>, Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>, Michal Hocko <mhocko@xxxxxxxxxx>, Roman Gushchin <roman.gushchin@xxxxxxxxx>, Shakeel Butt <shakeelb@xxxxxxxxxx>, Oliver Upton <oupton@xxxxxxxxxx>, Huang@xxxxxxxxxx, Shaoqin <shaoqin.huang@xxxxxxxxx>, cgroups@xxxxxxxxxxxxxxx, linux-kernel@xxxxxxxxxxxxxxx, linux-arm-kernel@xxxxxxxxxxxxxxxxxxx, kvmarm@xxxxxxxxxxxxxxxxxxxxx, kvm@xxxxxxxxxxxxxxx, linux-mm@xxxxxxxxx
In-reply-to: <20220628220938.3657876-3-yosryahmed@google.com>
References: <20220628220938.3657876-1-yosryahmed@google.com> <20220628220938.3657876-3-yosryahmed@google.com>
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On Tue, 28 Jun 2022 23:09:36 +0100,
Yosry Ahmed <yosryahmed@xxxxxxxxxx> wrote:
> 
> Add a helper to account pages used by KVM for page tables in memory
> secondary pagetable stats. This function will be used by subsequent
> patches in different archs.
> 
> Signed-off-by: Yosry Ahmed <yosryahmed@xxxxxxxxxx>

Acked-by: Marc Zyngier <maz@xxxxxxxxxx>

	M.

-- 
Without deviation from the norm, progress is not possible.

References:
- [PATCH v6 0/4] KVM: mm: count KVM mmu usage in memory stats
  - From: Yosry Ahmed
- [PATCH v6 2/4] KVM: mmu: add a helper to account memory used by KVM MMU.
  - From: Yosry Ahmed

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