From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail.ozlabs.org (gandalf.ozlabs.org [150.107.74.76]) (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 B2E3B17C211; Thu, 29 May 2025 01:57:04 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=150.107.74.76 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1748483829; cv=none; b=W7XKgYBJaDFWqDiKoiFs5Mj/T2h+YoI2HJDZIWS8aNr9id0PcgNCFVo0Hg2MMX2CvZnexH/TT4KixFVZm3kHzbgRLu9iTyTdqgmEk9UmS+gu760kPsugq7R6jopB2XQ+WDQHs4mxLmp9KvHJEN0KAHVoBCQ6x3838/uLED+Mlw8= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1748483829; c=relaxed/simple; bh=Ncn5jaXNwVyeZv0/ygMpI/OacZ4KlmisSrfcblDO6XA=; h=Date:From:To:Cc:Subject:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=UvIfkh8LRWag7XUtdy6H8SWQ8W/bxH3iTt62ck3byikI/1nsOU7Z53VAW2mt9dgcpVDToFku13TRPg2KNNoDFuEbyUO3Q+1okPLT/2t9rGMZIo06bTeZHr02XfZ7vXo8gMyjlfxMNPZYc3yZAmQNvEClafBo2/0DLVctIyqmVuw= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=canb.auug.org.au; spf=pass smtp.mailfrom=canb.auug.org.au; dkim=pass (2048-bit key) header.d=canb.auug.org.au header.i=@canb.auug.org.au header.b=esruFbqz; arc=none smtp.client-ip=150.107.74.76 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=canb.auug.org.au Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=canb.auug.org.au Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=canb.auug.org.au header.i=@canb.auug.org.au header.b="esruFbqz" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=canb.auug.org.au; s=202503; t=1748483822; bh=Y+PV0DSjZXwMOXO5tYQO7PIZvYK9a4FuJLs+o3frNc4=; h=Date:From:To:Cc:Subject:In-Reply-To:References:From; b=esruFbqzqCEhOk0/79TMVxYzkg8jd7IIGd10lykwLPT4+MNh6vUC+ipF9CPZS1+Bo EZZzlqnrlvwh108kdppNNZ0PUwf06Yr9CmBth4V5/OexiSPFTjvI24N4YZnd2h/Wow HHNCR2eZrnyja8fGpz6a/twPCIDazWCtshWcSgcf85yih/w/JEIGcw0Eu2Z49jUKs1 Atv3+P3dsjyovjlMgSY4D3NeFnxQ3apgyrlZoqhZhTJIkzJNe58iCrd/EQvAH/DyI4 pHMyIpztg71QM2IYDrX1pFKt3tkCzzY0Nn37ePQN3gXA6c33TY/PLEN+m33Mho/7bw wKjEySGJKCaNw== 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) (Client did not present a certificate) by mail.ozlabs.org (Postfix) with ESMTPSA id 4b78ct61rhz4wy6; Thu, 29 May 2025 11:57:02 +1000 (AEST) Date: Thu, 29 May 2025 11:57:02 +1000 From: Stephen Rothwell To: Andrew Morton Cc: Shivank Garg , Linux Kernel Mailing List , Linux Next Mailing List Subject: Re: linux-next: build failure after merge of the mm-hotfixes tree Message-ID: <20250529115702.3e4f8874@canb.auug.org.au> In-Reply-To: <20250528170256.8638353ab1b5b434a9ad7c11@linux-foundation.org> References: <20250529095938.43087534@canb.auug.org.au> <20250528170256.8638353ab1b5b434a9ad7c11@linux-foundation.org> Precedence: bulk X-Mailing-List: linux-next@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: multipart/signed; boundary="Sig_/Jo7r+TaW1FDNmJCd6.ok2z1"; protocol="application/pgp-signature"; micalg=pgp-sha256 --Sig_/Jo7r+TaW1FDNmJCd6.ok2z1 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: quoted-printable Hi Andrew, On Wed, 28 May 2025 17:02:56 -0700 Andrew Morton wrote: > > On Thu, 29 May 2025 09:59:38 +1000 Stephen Rothwell wrote: >=20 > > Hi all, > >=20 > > After merging the mm-hotfixes tree, today's linux-next build (powerpc > > ppc64_defconfig) failed like this: > >=20 > > mm/khugepaged.c: In function 'hpage_collapse_scan_file': > > mm/khugepaged.c:2337:21: error: implicit declaration of function 'folio= _expected_ref_count' [-Wimplicit-function-declaration] > > 2337 | if (folio_expected_ref_count(folio) + 1 !=3D fo= lio_ref_count(folio)) { > > | ^~~~~~~~~~~~~~~~~~~~~~~~ > >=20 > > Caused by commit > >=20 > > 3bdddbba5f02 ("mm/khugepaged: fix race with folio split/free using te= mporary reference") > >=20 > > I have reverted that commit for today. =20 >=20 > yup, thanks, that was dependent on an mm-stable patch! I have > reordered things to plug the bisection hole. Snap! --=20 Cheers, Stephen Rothwell --Sig_/Jo7r+TaW1FDNmJCd6.ok2z1 Content-Type: application/pgp-signature Content-Description: OpenPGP digital signature -----BEGIN PGP SIGNATURE----- iQEzBAEBCAAdFiEENIC96giZ81tWdLgKAVBC80lX0GwFAmg3vu4ACgkQAVBC80lX 0GxraAf/R3yZ2KSC7QzC4FSVRm9FdnyXjQYAGsChoFS79qqmVClqS7wATfgOAjPB OyCyNaH/Cfza8JwN5juY93j2/cSEWNl6NJbuGUvbdzrtJQMCyqRwO51AC4ktPTKb OTflZInEeHlwy/tLks4Yh1opNym47UQtWJrfU1kQ9qVzijEFkUR0x/fk3CljYSCl /fabp1qpwPjkzUMqaRDe9v6IBxYJTY6i4D3Hi8kyGcaXg/CTf0DC5lkGYmsRL9/J qrBJ9OcBEKllT6GFsHb3m8XPlto7t6Pq8rJsHGbzHmhIzRPJPbz2aE0kY1qSK2r1 1nT/PthkGrLL7w2LNyd+dHgyqNfcsg== =BAkX -----END PGP SIGNATURE----- --Sig_/Jo7r+TaW1FDNmJCd6.ok2z1--