From: Marc Zyngier <maz@kernel.org>
To: Oliver Upton <oliver.upton@linux.dev>
Cc: James Morse <james.morse@arm.com>,
Suzuki K Poulose <suzuki.poulose@arm.com>,
kvmarm@lists.linux.dev, Akihiko Odaki <akihiko.odaki@daynix.com>,
Zenghui Yu <yuzenghui@huawei.com>
Subject: Re: [PATCH] KVM: arm64: Mark some VM-scoped allocations as __GFP_ACCOUNT
Date: Tue, 07 Feb 2023 09:31:16 +0000 [thread overview]
Message-ID: <86ttzxzusb.wl-maz@kernel.org> (raw)
In-Reply-To: <20230206235229.4174711-1-oliver.upton@linux.dev>
On Mon, 06 Feb 2023 23:52:29 +0000,
Oliver Upton <oliver.upton@linux.dev> wrote:
>
> Generally speaking, any memory allocations that can be associated with a
> particular VM should be charged to the cgroup of its process.
> Nonetheless, there are a couple spots in KVM/arm64 that aren't currently
> accounted:
>
> - the ccsidr array containing the virtualized cache hierarchy
>
> - the cpumask of supported cpus, for use of the vPMU on heterogeneous
> systems
>
> Go ahead and set __GFP_ACCOUNT for these allocations.
>
> Signed-off-by: Oliver Upton <oliver.upton@linux.dev>
Reviewed-by: Marc Zyngier <maz@kernel.org>
M.
--
Without deviation from the norm, progress is not possible.
next prev parent reply other threads:[~2023-02-07 9:31 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-02-06 23:52 [PATCH] KVM: arm64: Mark some VM-scoped allocations as __GFP_ACCOUNT Oliver Upton
2023-02-07 0:18 ` Akihiko Odaki
2023-02-07 5:02 ` Gavin Shan
2023-02-07 9:31 ` Marc Zyngier [this message]
2023-02-08 17:30 ` Oliver Upton
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