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Subject: Re: [PATCH 2/3] proc/kcore: Do not map unaccepted memory
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To:     Adrian Hunter <adrian.hunter@intel.com>,
        "Kirill A. Shutemov" <kirill.shutemov@linux.intel.com>,
        Borislav Petkov <bp@alien8.de>,
        Andrew Morton <akpm@linux-foundation.org>
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References: <20230906073902.4229-1-adrian.hunter@intel.com>
 <20230906073902.4229-3-adrian.hunter@intel.com>
From:   Dave Hansen <dave.hansen@intel.com>
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On 9/6/23 00:39, Adrian Hunter wrote:
> Do not map unaccepted memory because it can cause the guest to fail.
> 
> For /proc/kcore, which is read-only and does not support mmap, this means a
> read of unaccepted memory will return zeros.

I'm confused by this changelog and subject.

What is getting "mapped" here if mmap() isn't in play?