From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-0.9 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE, SPF_PASS autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 2FAFEC10DCE for ; Thu, 12 Mar 2020 07:31:46 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 0E3BD20578 for ; Thu, 12 Mar 2020 07:31:46 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=canb.auug.org.au header.i=@canb.auug.org.au header.b="u7CsECuT" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2387958AbgCLHbp (ORCPT ); Thu, 12 Mar 2020 03:31:45 -0400 Received: from bilbo.ozlabs.org ([203.11.71.1]:45233 "EHLO ozlabs.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2387930AbgCLHbp (ORCPT ); Thu, 12 Mar 2020 03:31:45 -0400 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 ECDHE (P-256) server-signature RSA-PSS (4096 bits) server-digest SHA256) (No client certificate requested) by mail.ozlabs.org (Postfix) with ESMTPSA id 48dL9q2TQ8z9sP7; Thu, 12 Mar 2020 18:31:43 +1100 (AEDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=canb.auug.org.au; s=201702; t=1583998303; bh=tr4pcdZrcg5CsFj28lSfbnVDXMuBw83K/m/0UMQaYEc=; h=Date:From:To:Cc:Subject:From; b=u7CsECuTYZHX2H/btk5IfjZ6RzQFQhucbNRB1/bBCvKW0qCy3SQaLWvw+eeur7KxO ycS7qF1E7816Eb8j74sb9CyhuvdlTF2/NflABFK9KfxKW4Jgt+Hd+H4afZgz+tyINt eic0bDlVqCWPpE+6vTwRvre9bl8uwVWd58JrfPCPIDCEXJRnQGDQ37TccQHxh42WJg aOGKrxiQyb9Qd3JPrmK8mOd1YsSCjOlUfIFTLSmaFyj3m0+D5/x8MKM6WvFXWwiWKK oSs0zF4FfJEj85ak/3iyaY+oGPgM2NWmU78KPtRaVT1oIuSyfVZf4UK0l4qjWTCfkh dR0xIo1nRX5yg== Date: Thu, 12 Mar 2020 18:31:42 +1100 From: Stephen Rothwell To: Andrew Morton Cc: Linux Next Mailing List , Linux Kernel Mailing List , Mike Kravetz Subject: linux-next: build warning after merge of the akpm-current tree Message-ID: <20200312183142.108df9ac@canb.auug.org.au> MIME-Version: 1.0 Content-Type: multipart/signed; boundary="Sig_/T0FSRC7ijNDTJtpHotdrX3G"; protocol="application/pgp-signature"; micalg=pgp-sha256 Sender: linux-next-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-next@vger.kernel.org --Sig_/T0FSRC7ijNDTJtpHotdrX3G Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: quoted-printable Hi all, After merging the akpm-current tree, today's linux-next build (powerpc ppc64_defconfig) produced this warning: fs/hugetlbfs/inode.c: In function 'remove_inode_hugepages': fs/hugetlbfs/inode.c:460:44: warning: 'hash' may be used uninitialized in t= his function [-Wmaybe-uninitialized] 460 | mutex_unlock(&hugetlb_fault_mutex_table[hash]); | ^ fs/hugetlbfs/inode.c:463:5: warning: 'index' may be used uninitialized in t= his function [-Wmaybe-uninitialized] 463 | hugetlb_vmdelete_list(&mapping->i_mmap, | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ 464 | index * pages_per_huge_page(h), | ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ 465 | (index + 1) * pages_per_huge_page(h)); | ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ Introduced by commit 6fdc8f8d1781 ("hugetlbfs: use i_mmap_rwsem to address page fault/truncate= race") --=20 Cheers, Stephen Rothwell --Sig_/T0FSRC7ijNDTJtpHotdrX3G Content-Type: application/pgp-signature Content-Description: OpenPGP digital signature -----BEGIN PGP SIGNATURE----- iQEzBAEBCAAdFiEENIC96giZ81tWdLgKAVBC80lX0GwFAl5p5V4ACgkQAVBC80lX 0GwuWAgAoEjRkTiMX28W5uTOc5rB63U0wSnJEEDEbmS5US18fI106fc3/sDaVYK+ 315ePqdGhrLs6nWFx3e6ReGXljadSx504eZU1OYgGmprxxPmjzMylKAckeoyF4mf /RufpuFReYXXKaNy57OAhcWaeVlU0GkWC5qtt6HMOm0TjLJZG1W/eggM0EHuDGO+ 0FtegC1dUur+I/fpluDig2Nl4F1uOkt5/LJsN1TBZB5NazG3jXITi8zKs4oBOE1R 1nZNYeE2MrBbxCQ1Dz8cxvS+acZII2lgeuio8ACV6Qi2m8mhCvB8H+qiv9hkxRcy L0KCpt/84+XfXIciGVBLfbQ1Z3SpWw== =UrJz -----END PGP SIGNATURE----- --Sig_/T0FSRC7ijNDTJtpHotdrX3G--