From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (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 2C95913B797; Wed, 9 Jul 2025 21:14:01 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1752095642; cv=none; b=S0l1j0jPsAwpAMlPJv7qA4x1F5XjEnHlhJb69zAZOIfxE4GK1zIFfJPd7trguS7AHBO6H1q859+oxP2x5N+myQAYKMpI5+9SmLReR8MlEZDs3TdhE60kCfhQgpmjchhIjS8kuLSFQLK7Hlz/jep4iIIES38IjNAkFeIlQrohUs0= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1752095642; c=relaxed/simple; bh=CYo/mZw03O+EDuqFAlXNxX6aL4BphLCE1nJ1rHmAPhI=; h=Date:From:To:Cc:Subject:Message-Id:In-Reply-To:References: Mime-Version:Content-Type; b=HoC7yjgUCrrtc3Pa5vXjWXzYwbDVAVTi7TQYAQv4UNF5/rd2aE1YA5dQBRzEfUvytGWrWQHcJMp2GTuak6LaQawus4iC11jg4M/lnuVbHtxfrB5Fgwg+DPerYE6+oaDZ+4R4gbwaITk5N6nzvii5sbkzUPYZ30heqWvO0ayv3KQ= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linux-foundation.org header.i=@linux-foundation.org header.b=LCZPeXzK; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linux-foundation.org header.i=@linux-foundation.org header.b="LCZPeXzK" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 8E12EC4CEEF; Wed, 9 Jul 2025 21:14:00 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linux-foundation.org; s=korg; t=1752095641; bh=CYo/mZw03O+EDuqFAlXNxX6aL4BphLCE1nJ1rHmAPhI=; h=Date:From:To:Cc:Subject:In-Reply-To:References:From; b=LCZPeXzKGK9jv8LeXI7ebkvP22Xdz4m4XGL81JBozlZA5utTRHR4ZiWKlWSSKGc/a YDmELrt7d/4U6Px8e535iiRiC2PAtZFsoZkljkI9dGmvXkyIH5//FgXcujk2OHWzsO F7/f/mnScw2LLWu57V5g6hpPNSQ5wg+6F9pN09nw= Date: Wed, 9 Jul 2025 14:13:59 -0700 From: Andrew Morton To: Harry Yoo Cc: Thomas Gleixner , Ingo Molnar , Borislav Petkov , Dave Hansen , Andy Lutomirski , Peter Zijlstra , Andrey Ryabinin , Arnd Bergmann , Dennis Zhou , Tejun Heo , Christoph Lameter , "H . Peter Anvin" , Alexander Potapenko , Andrey Konovalov , Dmitry Vyukov , Vincenzo Frascino , Juergen Gross , Kevin Brodsky , Muchun Song , Oscar Salvador , Joao Martins , Lorenzo Stoakes , Jane Chu , Alistair Popple , Mike Rapoport , Gwan-gyeong Mun , "Aneesh Kumar K . V" , x86@kernel.org, linux-kernel@vger.kernel.org, linux-arch@vger.kernel.org, linux-mm@kvack.org, stable@vger.kernel.org Subject: Re: [RFC V1 PATCH mm-hotfixes 2/3] x86/mm: define p*d_populate_kernel() and top-level page table sync Message-Id: <20250709141359.dc03e32a2319d85a25faaf32@linux-foundation.org> In-Reply-To: <20250709131657.5660-3-harry.yoo@oracle.com> References: <20250709131657.5660-1-harry.yoo@oracle.com> <20250709131657.5660-3-harry.yoo@oracle.com> X-Mailer: Sylpheed 3.7.0 (GTK+ 2.24.33; x86_64-pc-linux-gnu) Precedence: bulk X-Mailing-List: linux-arch@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit On Wed, 9 Jul 2025 22:16:56 +0900 Harry Yoo wrote: > Fixes: 4917f55b4ef9 ("mm/sparse-vmemmap: improve memory savings for compound devmaps") > Fixes: faf1c0008a33 ("x86/vmemmap: optimize for consecutive sections in partial populated PMDs") Fortunately both of these appeared in 6.9-rc7, which minimizes the problem with having more than one Fixes:. But still, the Fixes: is a pointer telling -stable maintainers where in the kernel history we want them to insert the patch(es). Giving them multiple insertions points is confusing! Can we narrow this down to a single Fixes:?