From nobody Wed Dec 17 12:18:39 2025 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id F3CD2C4167B for ; Mon, 27 Nov 2023 02:28:20 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231377AbjK0C2M (ORCPT ); Sun, 26 Nov 2023 21:28:12 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:45326 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229472AbjK0C2K (ORCPT ); Sun, 26 Nov 2023 21:28:10 -0500 Received: from gandalf.ozlabs.org (mail.ozlabs.org [IPv6:2404:9400:2221:ea00::3]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 03904C5; Sun, 26 Nov 2023 18:28:15 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=canb.auug.org.au; s=201702; t=1701052092; bh=qhOqTKNBi/EFmiADHd5ayMEH+8UZij1qQS+GarSvOk8=; h=Date:From:To:Cc:Subject:From; b=LhNCEe3skKSb/ECq4ppTKq8aHTaRWKOeb+3+Du8FdQ27ddNvgc6GPe0sPt7OQYk7j s4ToPmGWPchF1qiRJr31AjSpZmgZPvMFCftOdTOuE5BB+K2Chuhzn6IKiSIXm23h9h FO/pK2udynSyu8+5gIFfiKkbbH7v1W2+FAuW/w9E4DPmQ3d3gHMTY3NEgCAhRFCV79 hblnISeNqVKlM3SQPei03+PaOkjmLREgeg8Qs+d9oTdDJeKpRh9R1PkIziilbTI98i N9FbQE2RuXOjbN6Xnb7FuT/9kb40ofY2ihmEmvBO5DMZCMfT3U+lccXjTdrzBnSSGI idGhksHo7LcQA== Received: from authenticated.ozlabs.org (localhost [127.0.0.1]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (No client certificate requested) by mail.ozlabs.org (Postfix) with ESMTPSA id 4SdqJC5XRsz4wcJ; Mon, 27 Nov 2023 13:28:11 +1100 (AEDT) Date: Mon, 27 Nov 2023 13:28:09 +1100 From: Stephen Rothwell To: Andrew Morton Cc: Arnd Bergmann , Linux Kernel Mailing List , Linux Next Mailing List Subject: linux-next: build failure after merge of the mm tree Message-ID: <20231127132809.45c2b398@canb.auug.org.au> MIME-Version: 1.0 Content-Type: multipart/signed; boundary="Sig_//JC9PMS_qqHdMn+RHzl7VN."; protocol="application/pgp-signature"; micalg=pgp-sha256 Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org --Sig_//JC9PMS_qqHdMn+RHzl7VN. Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Hi all, After merging the mm tree, today's linux-next build (powerpc64 allnoconfig) failed like this: arch/powerpc/mm/book3s64/pgtable.c:557:5: error: no previous prototype for = 'pmd_move_must_withdraw' [-Werror=3Dmissing-prototypes] 557 | int pmd_move_must_withdraw(struct spinlock *new_pmd_ptl, | ^~~~~~~~~~~~~~~~~~~~~~ cc1: all warnings being treated as errors Caused by commit c6345dfa6e3e ("Makefile.extrawarn: turn on missing-prototypes globally") I have added the following patch for today (which could be applied to the mm or powerpc trees): From 194805b44c11b4c0aa28bdcdc0bb0d82acef394c Mon Sep 17 00:00:00 2001 From: Stephen Rothwell Date: Mon, 27 Nov 2023 13:08:57 +1100 Subject: [PATCH] powerpc: pmd_move_must_withdraw() is only needed for CONFIG_TRANSPARENT_HUGEPAGE Signed-off-by: Stephen Rothwell --- arch/powerpc/mm/book3s64/pgtable.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/arch/powerpc/mm/book3s64/pgtable.c b/arch/powerpc/mm/book3s64/= pgtable.c index be229290a6a7..3438ab72c346 100644 --- a/arch/powerpc/mm/book3s64/pgtable.c +++ b/arch/powerpc/mm/book3s64/pgtable.c @@ -542,6 +542,7 @@ void ptep_modify_prot_commit(struct vm_area_struct *vma= , unsigned long addr, set_pte_at(vma->vm_mm, addr, ptep, pte); } =20 +#ifdef CONFIG_TRANSPARENT_HUGEPAGE /* * For hash translation mode, we use the deposited table to store hash slot * information and they are stored at PTRS_PER_PMD offset from related pmd @@ -563,6 +564,7 @@ int pmd_move_must_withdraw(struct spinlock *new_pmd_ptl, =20 return true; } +#endif =20 /* * Does the CPU support tlbie? --=20 2.40.1 --=20 Cheers, Stephen Rothwell --Sig_//JC9PMS_qqHdMn+RHzl7VN. Content-Type: application/pgp-signature Content-Description: OpenPGP digital signature -----BEGIN PGP SIGNATURE----- iQEzBAEBCAAdFiEENIC96giZ81tWdLgKAVBC80lX0GwFAmVj/rkACgkQAVBC80lX 0GxGEwf/WzdRnWh92onGJMdaj8YGBZo1ubNgvxb0d+sEfSNZYTUqDHtXT7fEKOby I8Ps208c+rIIXcJ1liNKHhpqCgePqwWIoylwLLStLplg+2Ohi3fODQFTR5XRBmVY J596F5FfPJeKs13eBSgMBp7wuE5vD5YMmHgFHutGlUkakmLGQNMmdJBL7IVxRyyf J/t974Rnp/hodhQfvYdpvxCJW6GB5gQVQQEdjn7mnePTnm6A6CdYEfeGlAFlHlk6 EB0+BjQh4SmUAStecJ6f1Q9O0z2gY0QaEQYBZVYrB3+7ppGMFOO43n7XoSbkBGSE GTN1l6RNX1P6F9MNBJoy8/zmNSB++A== =lVkl -----END PGP SIGNATURE----- --Sig_//JC9PMS_qqHdMn+RHzl7VN.--