linux-kernel - Re: [PATCH 1/1] x86/ioremap: Use is_vmalloc

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Message-ID: <87sev8rfyx.ffs@tglx>
Date: Tue, 13 Aug 2024 10:20:54 +0200
From: Thomas Gleixner <tglx@...utronix.de>
To: Alistair Popple <apopple@...dia.com>
Cc: Dan Williams <dan.j.williams@...el.com>, dave.hansen@...ux.intel.com,
 luto@...nel.org, peterz@...radead.org, max8rr8@...il.com,
 linux-kernel@...r.kernel.org, x86@...nel.org, jhubbard@...dia.com, Kees
  Cook <keescook@...omium.org>
Subject: Re: [PATCH 1/1] x86/ioremap: Use is_vmalloc_addr in iounmap

On Tue, Aug 13 2024 at 11:33, Alistair Popple wrote:
>> On Mon, Aug 12 2024 at 12:03, Thomas Gleixner wrote:
>>  
>> +#ifndef PHYSMEM_END
>> +# define PHYSMEM_END	(1UL << (MAX_PHYSMEM_BITS-PAGE_SHIFT))
>
> However I think this should be:
>
> # define PHYSMEM_END	((1UL << MAX_PHYSMEM_BITS) - 1)

Bah.