linux-kernel - Re: [RFC PATCH 0/6] Remove device private pages from physical address space

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Message-ID: <9a32a182-26e7-431f-810b-a2f4db5ce592@nvidia.com>
Date: Tue, 2 Dec 2025 12:32:39 +1100
From: Jordan Niethe <jniethe@...dia.com>
To: Mika Penttilä <mpenttil@...hat.com>, linux-mm@...ck.org
Cc: balbirs@...dia.com, matthew.brost@...el.com, akpm@...ux-foundation.org,
 linux-kernel@...r.kernel.org, dri-devel@...ts.freedesktop.org,
 david@...hat.com, ziy@...dia.com, apopple@...dia.com,
 lorenzo.stoakes@...cle.com, lyude@...hat.com, dakr@...nel.org,
 airlied@...il.com, simona@...ll.ch, rcampbell@...dia.com, jgg@...dia.com,
 willy@...radead.org
Subject: Re: [RFC PATCH 0/6] Remove device private pages from physical address
 space

Hi,

On 29/11/25 03:07, Mika Penttilä wrote:
> Hi Jordan!
> 
> On 11/28/25 06:41, Jordan Niethe wrote:
> 
>> Today, when creating these device private struct pages, the first step
>> is to use request_free_mem_region() to get a range of physical address
>> space large enough to represent the devices memory. This allocated
>> physical address range is then remapped as device private memory using
>> memremap_pages.
>>
> I just did a quick read thru, and liked how it turned out to be, nice work!
> 
> --Mika

Thanks Mika.

Jordan.

> 
>