linux-kernel - Re: [PATCH v3 1/2] mm/memblock: Add reserved memory release function

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Message-Id: <20250218220629.6a352d70e0350b01e662d782@kernel.org>
Date: Tue, 18 Feb 2025 22:06:29 +0900
From: Masami Hiramatsu (Google) <mhiramat@...nel.org>
To: Mike Rapoport <rppt@...nel.org>
Cc: Steven Rostedt <rostedt@...dmis.org>, linux-kernel@...r.kernel.org,
 linux-trace-kernel@...r.kernel.org, Mark Rutland <mark.rutland@....com>,
 Mathieu Desnoyers <mathieu.desnoyers@...icios.com>, Andrew Morton
 <akpm@...ux-foundation.org>
Subject: Re: [PATCH v3 1/2] mm/memblock: Add reserved memory release
 function

On Tue, 18 Feb 2025 13:34:51 +0200
Mike Rapoport <rppt@...nel.org> wrote:

> On Tue, Feb 18, 2025 at 11:47:11AM +0200, Mike Rapoport wrote:
> > On Tue, Feb 18, 2025 at 05:42:57PM +0900, Masami Hiramatsu wrote:
> > > Hi Mike,
> > > 
> > > 
> > > Thanks! but I can not use free_reserved_area() here because it uses
> > > virt_to_page(). Here we only know the physical address in the map.
> > > I think we can use free_reserved_page() instead. Is that OK?
> > 
> > For reserve_mem ranges virt_to_phys() will work, they are allocated from the
> 
> I meant phys_to_virt() of course :)

Ah, I got it :). Let me update it.

Thanks!

> 
> > memory that is covered by the direct map.
> 
> -- 
> Sincerely yours,
> Mike.


-- 
Masami Hiramatsu (Google) <mhiramat@...nel.org>