From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (prime256v1) server-digest SHA256) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 94F93606A31A for ; Fri, 23 Oct 2026 22:51:37 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key, unprotected) header.d=lists.infradead.org header.i=@lists.infradead.org header.a=rsa-sha256 header.s=bombadil.20210309 header.b=OrUUoq7J; dkim=pass (2048-bit key, unprotected) header.d=kernel.org header.i=@kernel.org header.a=rsa-sha256 header.s=k20260515 header.b=nm7R5MbV DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:Reply-To:List-Subscribe: List-Help:List-Post:List-Archive:List-Unsubscribe:List-Id:Date: Content-Transfer-Encoding:Content-Type:References:In-Reply-To:Cc:To:Subject: From:Message-ID:MIME-Version:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Unsubscribe-Post:List-Owner; bh=m1z8CzNpb8HI7jl3nc04CgOMsKXrH2QXql27TCYyfA8=; b=OrUUoq7J4May/mpBr//cfVr69E zIjqMKwgBCN8E4imhWMsz3kFxu1iY3xB5gEOQSFZJc+wX0C4uRrq+P3RhKvOA1PIdKy4+DUzjZv0L 41cBbLL8R8nQo6bsmKiOO+/aQnZsK09Y0Ns6lZwiSTDCoxxguqX7NuZiYV70lO1mmyAmuhrDOnOHz PklrAK9cCpWp1M5VAgqoLlFw1ueCkgKpdSfH6HAWj9PpIlYPXhQUJna1AiDnnCqr5S4e4o32mOFWR 8kwvWOwMW7bUPLW4Of4pWUYHFzqaM2Ruw0OisgoBqMh2H6pIf82y+6pM+G+TRpT3KA92UJcjSefed 5TYFzkTw==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.100.1 #2 (Red Hat Linux)) id 1xKO6r-0000000H4gD-12Tr; Fri, 23 Oct 2026 22:51:37 +0000 Received: from sea.source.kernel.org ([2600:3c0a:e001:78e:0:1991:8:25]) by bombadil.infradead.org with esmtps (Exim 4.100.1 #2 (Red Hat Linux)) id 1xKO6o-0000000H4dF-15LY for kexec@lists.infradead.org; Fri, 23 Oct 2026 22:51:34 +0000 Received: from smtp.kernel.org (quasi.space.kernel.org [100.103.45.18]) by sea.source.kernel.org (Postfix) with ESMTP id 0917A42E63; Fri, 23 Oct 2026 22:51:34 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 1454F1F01825; Fri, 23 Oct 2026 22:51:33 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1792795893; bh=m1z8CzNpb8HI7jl3nc04CgOMsKXrH2QXql27TCYyfA8=; h=From:Subject:Reply-To:To:Cc:In-Reply-To:References:Date; b=nm7R5MbVhUC8m3Q7IG9yQ+atOIUu2ubi5Huiu2lZz6uR8roCBLY8mlDy0S8Bds0E0 6SRvD+yN3o3li1WfFMpeBLsi0ZAJ3aBBoXOrpLIA5c9mLqrCXFTBqO8uOATi2U3/75 I7Fd9GhyVbEMmdaxmqd2MDCWn8viZfF1ZiQdKV465fCS3jLBx/dV9Gmd3qw0mdt+Z/ fiJuvbOplCkv6jpU1/MGwW8DxHHYhKQdRP2HHnWwxVWvymRtwPf6pLUT/kuhNdT4k+ PA2yVS6DQZmGFRY56y0nSaMHG8Vd8tw/bMY1M7fK812HicDMp4ZBycC40eOTuyjWSJ qO7nhZiCKheig== Message-ID: From: sashiko-bot@kernel.org Subject: Re: [PATCH v2 04/10] mm: Rename memfd_luo to shmem_luo To: "David Matlack" , kexec@lists.infradead.org Cc: "Alexander Graf" , "Andrew Morton" , "Baolin Wang" , "Christian Brauner" , "David Hildenbrand" , "Hugh Dickins" , "Jonathan Corbet" , "Liam R. Howlett" , "Lorenzo Stoakes" , "Michal Hocko" , "Mike Rapoport" , "Pasha Tatashin" , "Pratyush Yadav" , "Randy Dunlap" , "Samiullah Khawaja" , "Shuah Khan" , "Suren Baghdasaryan" , "Vlastimil Babka" In-Reply-To: <20261022225035.377445-5-dmatlack@google.com> References: <20261022225035.377445-1-dmatlack@google.com> <20261022225035.377445-5-dmatlack@google.com> Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable Date: Fri, 23 Oct 2026 22:51:32 +0000 X-BeenThere: kexec@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Archive: List-Post: List-Help: List-Subscribe: , Reply-To: sashiko-reviews@lists.linux.dev Sender: "kexec" X-Spam-Status: No, score=-11.2 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,MAILING_LIST_MULTI, SPF_HELO_NONE,SPF_PASS autolearn=ham autolearn_force=no version=4.0.1 X-Spam-Checker-Version: SpamAssassin 4.0.1 (2024-03-26) on aws-us-west-2-korg-listserv-alma10-1 X-Archived-By: > Rename the memfd Live Update file handler from memfd_luo to shmem_luo, > including the source file, its KHO ABI header, its documentation and its > Kconfig option (CONFIG_LIVEUPDATE_MEMFD to CONFIG_LIVEUPDATE_SHMEM). >=20 > The handler preserves shmem files. Today those are memfds, but following > commits extend it to other files on tmpfs mounts, for which the memfd > name is confusing. Preserving memfds created with MFD_HUGETLB, which are > hugetlbfs files, will need a separate handler, so naming the handler > after the filesystem that backs the files also avoids having to rename > it again then. >=20 > Don't change the compatible string of the handler, "memfd-v2". It is > matched against the preserved state from the previous kernel, so > changing it would break live updates from kernels that use the old > name. The serialized format doesn't change either. >=20 > Also clarify in the documentation that memfd means a memfd created > without MFD_HUGETLB, and name the ABI documentation after the handler. >=20 > No functional change intended. >=20 > Assisted-by: LLM > Signed-off-by: David Matlack Sashiko has reviewed this patch and found no issues. --=20 Sashiko AI review =C2=B7 https://sashiko.dev/#/patchset/20261022225035.3774= 45-1-dmatlack@google.com?part=3D4