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b=EXdIc7msQ6rTxV0CF+0X/FFqJXlrEDaR8fgIT8d2KbSgpMfl0erSLMCqPiGgSyFAe 2ECGGVfRU8Ux7imc9Fx8y7WGw+b5sDLfVM2k6d8GvUvmtKXYAu9bP5TtucS4Yeeqwj FbZR5gydZsTIZvfJjpCSwguvintY0GzpYJjnAR5f/V8iLX4BG2ckBtnS0XAYWICsOR j7r5XBLrkxQ7MegI+hKcUFnC7RruMYoRw2luUBeiGuiZEfY5taW5BUXjtno4YkGKMj QmZ01vXmAIjQE0BekOoda7aW//bTTLrKea3uUkulav8XEDjrS2fC26oYL63kvuby7i B9vRzMJAoPEnQ== Date: Wed, 24 Jun 2026 18:30:49 +0300 From: Mike Rapoport To: Wei Yang Cc: akpm@linux-foundation.org, izumi.taku@jp.fujitsu.com, linux-mm@kvack.org, Yuan Liu , David Hildenbrand Subject: Re: [PATCH] mm/mm_init: fix incorrect node_spanned_pages Message-ID: References: <20260622022403.16375-1-richard.weiyang@gmail.com> <20260623083507.kg7jmd7ofz3awqmq@master> <20260623092653.yfahsc7kekuncbcf@master> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20260623092653.yfahsc7kekuncbcf@master> X-Rspam-User: X-Rspamd-Server: rspam12 X-Rspamd-Queue-Id: D1714A000B X-Stat-Signature: a8z336eppye3s19j41r79yw9r7on1si4 X-HE-Tag: 1782315056-537295 X-HE-Meta: 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 ORblxDrJ Kp/ynBdVjazly0JConTVbSbNhRiQ51vHtlBNvsIhxl8hMhYDLv1LnxSQ1O0bdKAwepVab0/bR/iLFPL8FWXNpWtboUVnKg9OUm63Q8Hrx8eve59MlG6pY4U2h2OyoaDBwfCy8Jt/1iT6QGuCaJossOCN1ihNSMMPgkndEVcVI6TBVj6YNeI+por8xt2/PX1srafXh1TQ3Brb5hxJRho9sSfhhT8WCozTY6bpvTyqtz1nT/pJSxSK4M0j5/DAhnURbIN9B6kQfQ7hxJ6qQUMzct50uRT0i7h4b9NNH4EnDSKtD3IXK1eb5nt3wMj7cwBNtuAg5BWczbVNuAFW5/2JMZshZ6rvHbk4O8cQuQDQsLEa1+tPFVAsGvflgizXqiXOcbYU+632B6pKJiJg= Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: On Tue, Jun 23, 2026 at 09:26:53AM +0000, Wei Yang wrote: > On Tue, Jun 23, 2026 at 12:22:15PM +0300, Mike Rapoport wrote: > > > >After I applied your patch, I did some checks to see why > >mirrored_kernelcore causes us troubles. I found that unlike other variants > >of kernelcore/movablecore settings, mirrored_kernelcore creates zone > >overlap for no apparent reason. I did some git archaeology and I didn't > >find a justification for making overlapping pages absent in ZONE_NORMAL. > > > >So I came up with this cleanup: > > > >https://git.kernel.org/pub/scm/linux/kernel/git/rppt/linux.git/log/?h=kernelcore-mirror > > > >I'm waiting for the bots to chew on it before positing the patches. > > > > Ah, just the same as I do :-). I'm going to send my version with your co-developed-by if you don't mind. > -- > Wei Yang > Help you, Help me -- Sincerely yours, Mike.