Re: [PATCH v3 7/7] virtio_balloon: Stop calling page_address() in free_pages()

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To: "Vishal Moola (Oracle)" <vishal.moola@xxxxxxxxx>, linux-mm@xxxxxxxxx
Subject: Re: [PATCH v3 7/7] virtio_balloon: Stop calling page_address() in free_pages()
From: David Hildenbrand <david@xxxxxxxxxx>
Date: Wed, 3 Sep 2025 21:13:17 +0200
Cc: linux-kernel@xxxxxxxxxxxxxxx, Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>, linux-block@xxxxxxxxxxxxxxx, linux-arm-kernel@xxxxxxxxxxxxxxxxxxx, linuxppc-dev@xxxxxxxxxxxxxxxx, linux-riscv@xxxxxxxxxxxxxxxxxxx, linux-efi@xxxxxxxxxxxxxxx, virtualization@xxxxxxxxxxxxxxx, "Michael S. Tsirkin" <mst@xxxxxxxxxx>
In-reply-to: <20250903185921.1785167-8-vishal.moola@gmail.com>
References: <20250903185921.1785167-1-vishal.moola@gmail.com> <20250903185921.1785167-8-vishal.moola@gmail.com>
User-agent: Mozilla Thunderbird

On 03.09.25 20:59, Vishal Moola (Oracle) wrote:

free_pages() should be used when we only have a virtual address. We
should call __free_pages() directly on our page instead.

Signed-off-by: Vishal Moola (Oracle) <vishal.moola@xxxxxxxxx>
---


Acked-by: David Hildenbrand <david@xxxxxxxxxx>

--
Cheers

David / dhildenb

References:
- [PATCH v3 0/7] Cleanup free_pages() misuse
  - From: Vishal Moola (Oracle)
- [PATCH v3 7/7] virtio_balloon: Stop calling page_address() in free_pages()
  - From: Vishal Moola (Oracle)

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