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 5DAEE1C84BB; Wed, 1 Apr 2026 14:07:42 +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=1775052462; cv=none; b=SCMFhULGWMMMYfpAHUo6Lh55hxcN6XOsjG/A0Q3m4SUZTvAsgmBTljvARO3AjVi3TwdHGNASKnkxl3WeA29Gw74/u/WRGiLt0nziF8B6PTSXo5NxdVmR2CZO3S/Wm8KXwGtcI+z6+/1/BqpPkKADaK8WLMbra9v0MhRD1XVk3so= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1775052462; c=relaxed/simple; bh=ikhatxBZq6Z/B6o3ja7E6A6ZANNgbjK65FC2T4FOwzg=; h=Date:From:To:Cc:Subject:Message-ID:MIME-Version:Content-Type: Content-Disposition; b=hxp9hLK4dkTtXpTAwu45DXnMI7+qi7po4d48KFYvmICERe3BG/Ga/k6WH4JT0GnIYZfn8YDwe+hET0Mlu7ScNP1bytbOzpie1jh7Sc9fVFn27RjlCDjNHxFRDqZlamSPEyQ4yaXBXPBBY22XUf8bg4uwxHDinIvc0cK+MafsqFQ= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=NQHHtQgH; 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="NQHHtQgH" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 126C4C4CEF7; Wed, 1 Apr 2026 14:07:40 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1775052462; bh=ikhatxBZq6Z/B6o3ja7E6A6ZANNgbjK65FC2T4FOwzg=; h=Date:From:To:Cc:Subject:From; b=NQHHtQgHl2dmAlkUEjWMLFrcNc7vqABpio635HUCYNxiBwNH5+KkvixBT783hfUMB pF6xPFgh4LogQ53iWKau/Cy3qYJSQI62a7nbqBEWU/0lxEhxFpX4QxlE5ReRVG7ApR lpevcob394PAvEMQwUN+4HVmaMrygWhi8Ohk14Ol/+C1Ftu3PEDHbuR+IzGgrFBYdO 4yJBrdQfDQAp4CzcHahU9XPZR0Ecr6XJWUi+RvoEIg0WPuFPDsFIdkMrjE3tdadRjl khV9/UYDyLqtNrqOdA6LXBrf/1IHpG57F2Ell1J1CN0kfuv7vAdWQMes3Jt91I+wU/ D7WHVxCDlrZ8A== Date: Wed, 1 Apr 2026 15:07:38 +0100 From: Mark Brown To: Muchun Song , Andrew Morton Cc: Linux Kernel Mailing List , Linux Next Mailing List Subject: linux-next: build failure in final build Message-ID: Precedence: bulk X-Mailing-List: linux-next@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha512; protocol="application/pgp-signature"; boundary="mHSO47euoKjOdQ2p" Content-Disposition: inline --mHSO47euoKjOdQ2p Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable Hi all, During the final build, today's linux-next build (sparc64 defconfig) failed like this: In file included from : In function 'sparse_init_one_section', inlined from 'sparse_init_early_section' at /tmp/next/build/mm/sparse.c= :323:2: /tmp/next/build/include/linux/compiler_types.h:699:45: error: call to '__co= mpiletime_assert_420' declared with attribute error: BUILD_BUG_ON failed: S= ECTION_MAP_LAST_BIT > min(PFN_SECTION_SHIFT + __ffs(sizeof(struct page)), P= AGE_SHIFT) 699 | _compiletime_assert(condition, msg, __compiletime_assert_, = __COUNTER__) | ^ /tmp/next/build/include/linux/compiler_types.h:680:25: note: in definition = of macro '__compiletime_assert' 680 | prefix ## suffix(); = \ | ^~~~~~ /tmp/next/build/include/linux/compiler_types.h:699:9: note: in expansion of= macro '_compiletime_assert' 699 | _compiletime_assert(condition, msg, __compiletime_assert_, = __COUNTER__) | ^~~~~~~~~~~~~~~~~~~ /tmp/next/build/include/linux/build_bug.h:40:37: note: in expansion of macr= o 'compiletime_assert' 40 | #define BUILD_BUG_ON_MSG(cond, msg) compiletime_assert(!(cond), msg) | ^~~~~~~~~~~~~~~~~~ /tmp/next/build/include/linux/build_bug.h:51:9: note: in expansion of macro= 'BUILD_BUG_ON_MSG' 51 | BUILD_BUG_ON_MSG(condition, "BUILD_BUG_ON failed: " #condit= ion) | ^~~~~~~~~~~~~~~~ /tmp/next/build/mm/internal.h:975:9: note: in expansion of macro 'BUILD_BUG= _ON' 975 | BUILD_BUG_ON(SECTION_MAP_LAST_BIT > min(PFN_SECTION_SHIFT += __ffs(sizeof(struct page)), | ^~~~~~~~~~~~ Caused by commit 28208ad9dae4d (mm/sparse: fix BUILD_BUG_ON check for section map alignme= nt) =66rom the mm-unstable tree. I have reverted that commit for today. --mHSO47euoKjOdQ2p Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iQEzBAABCgAdFiEEreZoqmdXGLWf4p/qJNaLcl1Uh9AFAmnNJqkACgkQJNaLcl1U h9Avbwf9FzmaxTUBdg2HHT8iIKqOmNOlnPlwdGDa4quUjbPShtHfBAPCAdzMj9Pt GGWZX5PbcB58tuFMgi6zWKiuG213OWXHTzusM4pCGXUJUqGN/lTlbEBBHG85ff90 wDOymRLY7xzLqhKPemr5hwZuc6qJuwHol6pc0gqr1T0FqPAtN/JzTjeFZb730Cgp /Hcg79qVJ4H24jpZ5DLxYi2Ixxv+XlbP4jhre9C60FSmQYbm97RUza4bd0toJjhW +CmRoiEfeX1J7mfne0jL9uoJMT8sXgw9cVyZTi2RsE+Jysy1vhfbSwDV3oybeCgX fnEN7wO8GfQGDeTD1Jzggut6O4XEfw== =wGDZ -----END PGP SIGNATURE----- --mHSO47euoKjOdQ2p--