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Mon, 16 Feb 2026 09:22:50 -0500 (EST) Date: Mon, 16 Feb 2026 14:22:49 +0000 From: Kiryl Shutsemau To: Mike Rapoport Cc: Dave Hansen , Ard Biesheuvel , Thomas Gleixner , Ingo Molnar , Borislav Petkov , Dave Hansen , Tom Lendacky , x86@kernel.org, linux-efi@vger.kernel.org, linux-mm@kvack.org, linux-kernel@vger.kernel.org, Moritz Sanft Subject: Re: [PATCH 1/2] efi: Fix reservation of unaccepted memory table Message-ID: References: <20260213154838.46567-1-kas@kernel.org> <20260213154838.46567-2-kas@kernel.org> <6d6dd421-774c-4f29-84d5-3e449240eb93@intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: X-Rspamd-Server: rspam11 X-Stat-Signature: ch3h5zqoa7edbxik696e96u881kxcxzc X-Rspam-User: X-Rspamd-Queue-Id: 7261B80007 X-HE-Tag: 1771251773-904539 X-HE-Meta: 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 H2ByAFlW O9ftXpQgqlfVUNtzGXBXVWd6jSyhWADxLq2MbVmWK86WgUdf+5dOEag0hw2mP3BIQt8rE4KGAByEnZbci5CQOSozha3s5ckPTK308e3eXW9rBTB3ihaDgwyKym6z+NzlAqkQeI7bX5bNAydshn8EAeN97rjNkk0j/MIjIPRgWwkzbHvvKq68xR56bWdFNOLKNLOD9GFHobFVlOpD/h9VU1zqYD1pUNAgywWcXEf8oJq5z1mbD91rsTg0S2JkZJBdBj3UdRl8fseIcHD6+L6+lhT4VtA== X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: On Sat, Feb 14, 2026 at 05:51:47PM +0200, Mike Rapoport wrote: > > My guess that multiple memblock_add() calls might add up to the full > > page size. > > I'm not following here. Can you explain what do you mean? > > Multiple memblock_add() calls to adjacent ranges will coalesce into one > larger range. But I don't see how is that related. I tried to find justification for the byte-level tracking by memblock. Not in relation to this case, but in general. -- Kiryl Shutsemau / Kirill A. Shutemov