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From: Thomas Gleixner <tglx@linutronix.de>
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To: Alistair Popple <apopple@nvidia.com>
Cc: Dan Williams <dan.j.williams@intel.com>, dave.hansen@linux.intel.com,
 luto@kernel.org, peterz@infradead.org, max8rr8@gmail.com,
 linux-kernel@vger.kernel.org, x86@kernel.org, jhubbard@nvidia.com, Kees
  Cook <keescook@chromium.org>
Subject: Re: [PATCH 1/1] x86/ioremap: Use is_vmalloc_addr in iounmap
In-Reply-To: <87bk1x42vk.fsf@nvdebian.thelocal>
References: <20230810100011.14552-1-max8rr8@gmail.com> <87le17yu5y.ffs@tglx>
 <66b4eb2a62f6_c1448294b0@dwillia2-xfh.jf.intel.com.notmuch>
 <877ccryor7.ffs@tglx>
 <66b4f305eb227_c144829443@dwillia2-xfh.jf.intel.com.notmuch>
 <66b4f4a522508_c1448294f2@dwillia2-xfh.jf.intel.com.notmuch>
 <87zfpmyhvr.ffs@tglx>
 <66b523ac448e2_c1448294ec@dwillia2-xfh.jf.intel.com.notmuch>
 <87seve4e37.fsf@nvdebian.thelocal>
 <66b59314b3d4_c1448294d3@dwillia2-xfh.jf.intel.com.notmuch>
 <87zfpks23v.ffs@tglx> <87o75y428z.fsf@nvdebian.thelocal>
 <87ikw6rrau.ffs@tglx> <87frr9swmw.ffs@tglx>
 <87bk1x42vk.fsf@nvdebian.thelocal>
Date: Tue, 13 Aug 2024 10:20:54 +0200
Message-ID: <87sev8rfyx.ffs@tglx>
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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.