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Subject: Re: [PATCHv3 2/7] efi/x86: Get full memory map in allocate_e820()
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To:     "Kirill A. Shutemov" <kirill.shutemov@linux.intel.com>,
        Borislav Petkov <bp@alien8.de>,
        Andy Lutomirski <luto@kernel.org>,
        Sean Christopherson <seanjc@google.com>,
        Andrew Morton <akpm@linux-foundation.org>,
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Cc:     Andi Kleen <ak@linux.intel.com>,
        Kuppuswamy Sathyanarayanan 
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References: <20220128205906.27503-1-kirill.shutemov@linux.intel.com>
 <20220128205906.27503-3-kirill.shutemov@linux.intel.com>
From:   Dave Hansen <dave.hansen@intel.com>
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On 1/28/22 12:59, Kirill A. Shutemov wrote:
> Modify allocate_e820() to get a full memory map.

Dumb question time: why doesn't the current code get a full memory map?
 This looks simpler.  What's the downside?  Memory consumption?