Re: [PATCH v2 4/4] xen: balloon: update the NR_BALLOON_PAGES state

To: Nico Pache <npache@xxxxxxxxxx>, linux-hyperv@xxxxxxxxxxxxxxx, linux-kernel@xxxxxxxxxxxxxxx, xen-devel@xxxxxxxxxxxxxxxxxxxx, linux-fsdevel@xxxxxxxxxxxxxxx, linux-mm@xxxxxxxxx, virtualization@xxxxxxxxxxxxxxx
Subject: Re: [PATCH v2 4/4] xen: balloon: update the NR_BALLOON_PAGES state
From: Jürgen Groß <jgross@xxxxxxxx>
Date: Tue, 18 Mar 2025 11:16:36 +0100
Cc: alexander.atanasov@xxxxxxxxxxxxx, muchun.song@xxxxxxxxx, roman.gushchin@xxxxxxxxx, mhocko@xxxxxxxxxx, kys@xxxxxxxxxxxxx, haiyangz@xxxxxxxxxxxxx, wei.liu@xxxxxxxxxx, decui@xxxxxxxxxxxxx, sstabellini@xxxxxxxxxx, oleksandr_tyshchenko@xxxxxxxx, akpm@xxxxxxxxxxxxxxxxxxxx, mst@xxxxxxxxxx, david@xxxxxxxxxx, yosry.ahmed@xxxxxxxxx, hannes@xxxxxxxxxxx, nphamcs@xxxxxxxxx, chengming.zhou@xxxxxxxxx, kanchana.p.sridhar@xxxxxxxxx, llong@xxxxxxxxxx, shakeel.butt@xxxxxxxxx
In-reply-to: <20250314213757.244258-5-npache@redhat.com>
References: <20250314213757.244258-1-npache@redhat.com> <20250314213757.244258-5-npache@redhat.com>
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On 14.03.25 22:37, Nico Pache wrote:

Update the NR_BALLOON_PAGES counter when pages are added to or
removed from the Xen balloon.

Signed-off-by: Nico Pache <npache@xxxxxxxxxx>


Reviewed-by: Juergen Gross <jgross@xxxxxxxx>


Juergen

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References:
- [PATCH v2 0/4] track memory used by balloon drivers
  - From: Nico Pache
- [PATCH v2 4/4] xen: balloon: update the NR_BALLOON_PAGES state
  - From: Nico Pache