From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-alma10-1.taild15c8.ts.net [100.103.45.18]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id F0338392C25 for ; Tue, 7 Jul 2026 13:46:01 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=100.103.45.18 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1783431963; cv=none; b=S5aLJ/Hox6ygqeoQSrNO6trJ8F6FWQQTq0ZJZsmaiuqVyZZOB8p5h33EbQaCwD9utDZ6B6ZEAWZ8emJ8fRAvE4RYZOxvezMOWZfe3x430cTQIs/XEvRb5OY/ZhrbJwFSV/yhrg5mWx3Q8mt1Pk5xeZz1A6grfSMEZrAsqJfgwqc= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1783431963; c=relaxed/simple; bh=Al55Kt764PSn/7hiIFHNufwo/+Uq4C5r1Xhfl8vxDPk=; h=Message-ID:Date:MIME-Version:Subject:To:Cc:References:From: In-Reply-To:Content-Type; b=XDxAmdWbTBfR0HAxncP3QNneCQi/8MTHuIfKNlyNqV0Wq//LFdZUTNNk1O0mebSDSIRik9juFB2+QAHfhrGn0bNg413Lhl0Tgyx6aOKRwqNklW2XMQ3kW7Ji/jKM0WhpoTZ3g4yR/asTw8/qfIn1rND2n5yfr87WvEpP7c3WJ2g= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=l/Co+LzW; arc=none smtp.client-ip=100.103.45.18 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="l/Co+LzW" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 241471F00A3E; Tue, 7 Jul 2026 13:45:59 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1783431961; bh=6j+iHhuiu0EvX2FuvbrpgVLF9g7qDAk982La+RkgbHo=; h=Date:Subject:To:Cc:References:From:In-Reply-To; b=l/Co+LzW+6cqyQ1rPBAG5Hlp/dHcizMJr7FXhAOso+ileGfMkbIBqNNiUhFlo0qB5 tmzV4ONg8hQFSqYUq/CwwqkSPHsjO9bSCEx6PiDwPVHGd0cw7JBtjweVaTyOuSr7es 7z+NT60Q+t3Y5dgi4ZenyqNkirgs4M+eloaYeHx77IyuxWX6uI+IS7hxCkTORXsMZd nmtzKMwN0M8YaoU1MH7fhKazduAaSfI5bhVJYUNeTCQ0zbOEPR6pgQHBtvNitlIygK SHzhUZqrWrqb/uWS1V6d47XzNJ+0EZ/3Fk4gaEUZcCBd6mkAgFkKEWLQjXtbD8RVXp z3DuDMxzj1ceg== Message-ID: Date: Tue, 7 Jul 2026 15:45:58 +0200 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v2 2/2] mm/mm_init: drop overlap_memmap_init() To: Mike Rapoport , linux-mm@kvack.org Cc: Andrew Morton , Taku Izumi , Wei Yang , Yuan Liu , linux-kernel@vger.kernel.org References: <20260630072212.624305-1-rppt@kernel.org> <20260630072212.624305-3-rppt@kernel.org> From: "David Hildenbrand (Arm)" Content-Language: en-US Autocrypt: addr=david@kernel.org; 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charset=UTF-8 Content-Transfer-Encoding: 7bit On 6/30/26 09:22, Mike Rapoport wrote: > From: "Mike Rapoport (Microsoft)" > > When ZONE_NORMAL and ZONE_MOVABLE could overlap because kernelcore=mirror > didn't reduce the span of ZONE_NORMAL, initialization of the memory map had > to skip overlapping pages during initialization of ZONE_MOVABLE to avoid > double initialization of the same struct pages. > > Since kernelcore=mirror works now the same way as other variants of > kernelcore=/movablecore=, and adjusts the span of ZONE_NORMAL, there can't > be an overlap between ZONE_NORMAL and ZONE_MOVABLE. > > Remove overlap_memmap_init(). > > Co-developed-by: Wei Yang > Signed-off-by: Wei Yang > Signed-off-by: Mike Rapoport (Microsoft) > --- Reviewed-by: David Hildenbrand (Arm) -- Cheers, David