# Re: \[PATCH v7 04/15\] swiotlb: Add restricted DMA pool initialization

- From: Christoph Hellwig \<hch@lst.de\>
- Date: 2021-05-27 13:27:20 
- List: linuxppc-dev
- Page: https://ratatoskr.run/linuxppc-dev/2021/05/1394045
- Thread: https://ratatoskr.run/linux-devicetree/2021/05/1381603/t.md

```text
On Mon, May 24, 2021 at 11:49:34AM -0400, Konrad Rzeszutek Wilk wrote:
> rmem_swiotlb_setup
> 
> ?
> 
> Which is ARM specific and inside the generic code?

I don't think it is arm specific at all.  It is OF specific, but just
about every platform but x86 uses OF.  And I can think of an ACPI version
of this as well.
```