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 B0A5519C54E; Sat, 2 May 2026 04:38:59 +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=1777696739; cv=none; b=lgDWy5y1ZCUter1KBPsUh6GFr5JxDisOBh/Ze32varUYFk9Dut1HvDhj+qcUxUw9IDNPLoMVxO6noKqASD3HbE6F7d2ibHMjXnH3EH4X4QLh+oCDTYzkbUJcrGu1kGBHsjXWWAmZvlXR7oNax3p1Wz7XT8Pf6bDrcxHtF6q0OiY= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1777696739; c=relaxed/simple; bh=i3HcnCoFSh5VeBUTX60vz5hhURORR//pulP1rg20n9I=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=WAjrayFyCOi6+dSaCJ2t8uBK2FscyiLDQc9P5t4rda16cWy1tE5zJkwS30yFGNyqxmRcAcVWHHjCzlpMXfrlkVofA7UvkVMo7Ab+eK7Sc6WKfuZpwH3fOZe0GvWr6uTByQ7G3KNzAgDDuvggFz7tQTrFSQFnACKSykhjM/TrUk8= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=CVKJ9QQW; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="CVKJ9QQW" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 8719AC19425; Sat, 2 May 2026 04:38:56 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1777696739; bh=i3HcnCoFSh5VeBUTX60vz5hhURORR//pulP1rg20n9I=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=CVKJ9QQWutEfe9rAD+mi+pF45Z+hx9zEJw+1jfpjjALUmVFLVPc+Bnd6N7BEaRh8U QAmwKGNurLzdjVXegKoUIxh+qlfzEtZV5xDMUKHlaQCVfxd0hPiYW2bYKe/b+HwFck ZkicFJK+o1uv0fhywnlKzvoV0zJPot+LU4FSCtOC9GdY2e+uwe0VXDEFw9ptR+6g2I D/I4qE9yKdDvBiX99H6gcwVaUQaei5uAK2OzpiiHEpdz1nepKvVTzynTZpUmvNXYfj qui4o0Vfj4fJxQV/0KPquo0ZXKStj0WahceE7D2wFsji+x0TnslildM/KwG+n7O+UV ILn3tO03CuwoA== Date: Sat, 2 May 2026 06:38:53 +0200 From: Mike Rapoport To: "David Hildenbrand (Arm)" Cc: Andrew Morton , Alexander Viro , Christian Brauner , Jan Kara , Peter Xu , linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, linux-mm@kvack.org Subject: Re: [PATCH 0/2] userfaultfd: merge fs/userfaultfd.c into mm/userfaultfd.c Message-ID: References: <20260430113512.115938-1-rppt@kernel.org> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: On Fri, May 01, 2026 at 08:33:04PM +0200, David Hildenbrand (Arm) wrote: > On 4/30/26 16:56, Mike Rapoport wrote: > > On Thu, Apr 30, 2026 at 04:23:08PM +0200, David Hildenbrand (Arm) wrote: > >> On 4/30/26 13:38, David Hildenbrand (Arm) wrote: > >>> > >>> Yeah, makes sense to me! > >>> > >> > >> Thinking about this, is it reasonable that the kconfig stuff stays in fs/ ? > > > > But it's in mm already. > > $ grep HUGETLB fs/Kconfig > config ARCH_SUPPORTS_HUGETLBFS > menuconfig HUGETLBFS > depends on ARCH_SUPPORTS_HUGETLBFS > if HUGETLBFS > config HUGETLB_PAGE_OPTIMIZE_VMEMMAP_DEFAULT_ON > depends on HUGETLB_PAGE_OPTIMIZE_VMEMMAP > endif # HUGETLBFS > config HUGETLB_PAGE > def_bool HUGETLBFS > config HUGETLB_PAGE_OPTIMIZE_VMEMMAP > def_bool HUGETLB_PAGE > depends on ARCH_WANT_OPTIMIZE_HUGETLB_VMEMMAP > select SPARSEMEM_VMEMMAP_PREINIT if ARCH_WANT_HUGETLB_VMEMMAP_PREINIT > config HUGETLB_PMD_PAGE_TABLE_SHARING > def_bool HUGETLB_PAGE > $ grep -c USERFAULT fs/Kconfig 0 HugeTLB is another story. > -- > Cheers, > David -- Sincerely yours, Mike.