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 3607E3DF012; Tue, 9 Jun 2026 09:50:36 +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=1780998638; cv=none; b=rXvyQKupc8GU0U8gDoJPpR4x0BqNSIOXRTBehDr28RjbsznyrH6D5nThPF795w+TtjmSF+JKXv5SJrlFihJSQUO9fLjJLaXYPDsRORSngp0yXwOtgF9vQRWONCmf37QGf7IXmzaFf8DmknBmS+OA9JIBXLNgKV26UJw1IdMWmDM= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1780998638; c=relaxed/simple; bh=NSbo4P60mH7kPCiwN+iFwZhDiEsPjZ90p0+O0wAGCFI=; h=Message-ID:Date:MIME-Version:Subject:To:Cc:References:From: In-Reply-To:Content-Type; b=Wr3zqWLrOfPbjgBa1midpUvnd/qvZJ2bAjge5ukhmBkx3k2Yf/PbTGwuwnoC52PRxKF0qLIoRB+7uPlKj/CfGwl0WfMHzH9ck3XyXCPlCq6VcY8siSUVBh5y5c9dIXs430mkoxKpAREquX22Cy7w3LPHeHuypBoGkbiaC/hVFcY= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=isVl+sB/; 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="isVl+sB/" Received: by smtp.kernel.org (Postfix) with ESMTPSA id BF67B1F00893; Tue, 9 Jun 2026 09:50:31 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1780998636; bh=npatsvxFpEUExBZprH7y6acM3CECn55+b2n/zGR7Ocs=; h=Date:Subject:To:Cc:References:From:In-Reply-To; b=isVl+sB/Uumf+OqYKOTAI8zicn/UuohcBTKeuFb/0b6hIUMtYcXspbVUAScdcv50U bFGCilGdEQU0iFaR55wjMHbkQtETqtNBMFuME9TocVTyEXLFqbpNDSPo+7qGHWlPN4 Vo3i9TI1n/e514PM4BEDz6ExnBn4n/Ncc/U6By1RENU5MGOeMXCGduVeH81laDc2xk BUITZgnj+y5QhtuH+7uQefvkUcxQo43DRBnqosgyxDlRPNCoHeUQ8VM2v8KvMbh2lE S7x1eXW/wbAASegQ8q0+MBhA8q+z92rG+ZRUkpdntkNuidXUamRJBV1UJzQxQb+nxZ Te3xK2jlUetMg== Message-ID: <835c3fd8-635d-4380-b14e-e468eb0bb136@kernel.org> Date: Tue, 9 Jun 2026 11:50:30 +0200 Precedence: bulk X-Mailing-List: linux-cxl@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v4 1/9] mm/memory: add memory_block_aligned_range() helper To: Gregory Price , linux-mm@kvack.org, nvdimm@lists.linux.dev Cc: linux-kernel@vger.kernel.org, kernel-team@meta.com, linux-cxl@vger.kernel.org, linux-kselftest@vger.kernel.org, djbw@kernel.org, vishal.l.verma@intel.com, dave.jiang@intel.com, akpm@linux-foundation.org, ljs@kernel.org, liam@infradead.org, vbabka@kernel.org, rppt@kernel.org, surenb@google.com, mhocko@suse.com, osalvador@suse.de, shuah@kernel.org, alison.schofield@intel.com, Smita.KoralahalliChannabasappa@amd.com, ira.weiny@intel.com, apopple@nvidia.com References: <20260605211911.2160954-1-gourry@gourry.net> <20260605211911.2160954-2-gourry@gourry.net> 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 6/5/26 23:19, Gregory Price wrote: > Memory hotplug operations require ranges aligned to memory block > boundaries. This is a generic operation for hotplug. > > Add memory_block_aligned_range() as a common helper in > that aligns the start address up and end address down to memory block > boundaries. > > Update dax/kmem to use this helper. > > Signed-off-by: Gregory Price > --- Acked-by: David Hildenbrand (Arm) -- Cheers, David