Re: [PATCH v29 3/4] mm/page_poison: expose page_poisoning_enabled to kernel modules

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To: Wei Wang <wei.w.wang@xxxxxxxxx>
Subject: Re: [PATCH v29 3/4] mm/page_poison: expose page_poisoning_enabled to kernel modules
From: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
Date: Mon, 26 Mar 2018 14:24:00 -0700
Cc: virtio-dev@xxxxxxxxxxxxxxxxxxxx, linux-kernel@xxxxxxxxxxxxxxx, virtualization@xxxxxxxxxxxxxxxxxxxxxxxxxx, kvm@xxxxxxxxxxxxxxx, linux-mm@xxxxxxxxx, mst@xxxxxxxxxx, mhocko@xxxxxxxxxx, pbonzini@xxxxxxxxxx, liliang.opensource@xxxxxxxxx, yang.zhang.wz@xxxxxxxxx, quan.xu0@xxxxxxxxx, nilal@xxxxxxxxxx, riel@xxxxxxxxxx, huangzhichao@xxxxxxxxxx
In-reply-to: <1522031994-7246-4-git-send-email-wei.w.wang@intel.com>
References: <1522031994-7246-1-git-send-email-wei.w.wang@intel.com> <1522031994-7246-4-git-send-email-wei.w.wang@intel.com>

On Mon, 26 Mar 2018 10:39:53 +0800 Wei Wang <wei.w.wang@xxxxxxxxx> wrote:

> In some usages, e.g. virtio-balloon, a kernel module needs to know if
> page poisoning is in use. This patch exposes the page_poisoning_enabled
> function to kernel modules.

Acked-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>

References:
- [PATCH v29 0/4] Virtio-balloon: support free page reporting
  - From: Wei Wang
- [PATCH v29 3/4] mm/page_poison: expose page_poisoning_enabled to kernel modules
  - From: Wei Wang

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