From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from gandalf.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 4B4F8161; Tue, 30 Apr 2024 00:38:18 +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=1714437503; cv=none; b=ehu7DTvS2bJiORB3qNFPgm8VUtdZ8s7FQ7sGx4Ff57ZmzkjzZ0xl8rt0qCOULD0WEXpBgVj+ZMVljB2zvFgSQasGJKELRHivjhwA9m+ouFcoLN4oQJchRIdf8FcWc4HHGCfkSzgCQtkqBjj9ZjehrnRsk1lWd4i/zph3Ql/nco4= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1714437503; c=relaxed/simple; bh=QH5l3a+G8F0iTFaKvPMFfFJNxI7dvToCr8fL9uRPIxY=; h=Date:From:To:Cc:Subject:Message-ID:MIME-Version:Content-Type; b=C98Yr+NRqaPcHXN5D5Q7aLAbWhURBYXfLOLQCO2B06s85yhshLWfLBTFe3bBocbxruwFkgi9gfQEu3z2Bnq9VbXItTBtTO/iJFhA+h5z+2H3AD+3ONeYBct5W8Rf/z1LRwh0mbb1k5MXR4kl+h3OMs0J0QcG6iwFOnJGxBi79so= 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=lKy4Ppkk; 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="lKy4Ppkk" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=canb.auug.org.au; s=201702; t=1714437495; bh=opOU+n89OsebG4FImot0wZHhPzHpLeEYGXOWhp0JX0s=; h=Date:From:To:Cc:Subject:From; b=lKy4Ppkkdix2L2uHd4SU0DMrKYeXluURZUu4hBx2Sw29vFklzOQpgqMdgfMlD2wh+ yVGtuew6bt7AAA5PnG2F+kH733tkq0KlwZv0sUunNtoNEAAwoN+cmYuDkePOlZeUUB tIneh3ZbJIrDZ9jqpOE+UmbIxS3U7eWAeqFHuIFCKAQvYPVMq5A9odL+b1Tg8NrF/R u+KdGZxvGopvbIwnNeZC9POzXa019e/9DubPYgR5DCWozDGTa1Bl9dNHmM6z/uns0T z2tGO8VaLJg+eIbA1KrEz5WVIrPXjrOMbtbwDKuNcGM/Du+5u1WfVZpvlJuZpgA9Fx FjzAI+WGNrOBw== 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 4VT1Wq33CLz4x0H; Tue, 30 Apr 2024 10:38:14 +1000 (AEST) Date: Tue, 30 Apr 2024 10:38:11 +1000 From: Stephen Rothwell To: Andrew Morton , Lance Yang Cc: Linux Kernel Mailing List , Linux Next Mailing List Subject: linux-next: build failure after merge of the mm tree Message-ID: <20240430103811.6e313ce0@canb.auug.org.au> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: multipart/signed; boundary="Sig_/IyzjQ6x5taW=XsEuuXbE3.i"; protocol="application/pgp-signature"; micalg=pgp-sha256 --Sig_/IyzjQ6x5taW=XsEuuXbE3.i Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: quoted-printable Hi all, After merging the mm tree, today's linux-next build (arm multi_v7_defconfig) failed like this: In file included from : mm/rmap.c: In function 'try_to_unmap_one': include/linux/compiler_types.h:460:45: error: call to '__compiletime_assert= _344' declared with attribute error: BUILD_BUG failed 460 | _compiletime_assert(condition, msg, __compiletime_assert_, = __COUNTER__) | ^ include/linux/compiler_types.h:441:25: note: in definition of macro '__comp= iletime_assert' 441 | prefix ## suffix(); = \ | ^~~~~~ include/linux/compiler_types.h:460:9: note: in expansion of macro '_compile= time_assert' 460 | _compiletime_assert(condition, msg, __compiletime_assert_, = __COUNTER__) | ^~~~~~~~~~~~~~~~~~~ include/linux/build_bug.h:39:37: note: in expansion of macro 'compiletime_a= ssert' 39 | #define BUILD_BUG_ON_MSG(cond, msg) compiletime_assert(!(cond), msg) | ^~~~~~~~~~~~~~~~~~ include/linux/build_bug.h:59:21: note: in expansion of macro 'BUILD_BUG_ON_= MSG' 59 | #define BUILD_BUG() BUILD_BUG_ON_MSG(1, "BUILD_BUG failed") | ^~~~~~~~~~~~~~~~ include/linux/huge_mm.h:99:28: note: in expansion of macro 'BUILD_BUG' 99 | #define HPAGE_PMD_SHIFT ({ BUILD_BUG(); 0; }) | ^~~~~~~~~ include/linux/huge_mm.h:106:35: note: in expansion of macro 'HPAGE_PMD_SHIF= T' 106 | #define HPAGE_PMD_SIZE ((1UL) << HPAGE_PMD_SHIFT) | ^~~~~~~~~~~~~~~ include/linux/huge_mm.h:105:28: note: in expansion of macro 'HPAGE_PMD_SIZE' 105 | #define HPAGE_PMD_MASK (~(HPAGE_PMD_SIZE - 1)) | ^~~~~~~~~~~~~~ mm/rmap.c:1651:41: note: in expansion of macro 'HPAGE_PMD_MASK' 1651 | range.start =3D address & HPAGE_PMD_MASK; | ^~~~~~~~~~~~~~ Caused by commit 34d66beb14bd ("mm/rmap: integrate PMD-mapped folio splitting into pagewal= k loop") from the mm-unstable branch of the mm tree. I have reverted that commit and the following one for today. --=20 Cheers, Stephen Rothwell --Sig_/IyzjQ6x5taW=XsEuuXbE3.i Content-Type: application/pgp-signature Content-Description: OpenPGP digital signature -----BEGIN PGP SIGNATURE----- iQEzBAEBCAAdFiEENIC96giZ81tWdLgKAVBC80lX0GwFAmYwPXMACgkQAVBC80lX 0GwpLwf9H1dOexj3AVtXVl3gosKxBz4JVWU9ozN4Xu3hKHIqJdg3PF8n/wh2pXht JbnI8o9c2PqWhUIMSvjdhuyk+Sg2WNXRj+0hhnBSlweenfXzuvNWFZfyd0lFsfd6 Z3UC0ZyBAGzVoAZocsTxw+aOVQg9xY/ec8YbKGyq3DsPObO48ehcnA8fvyHv+V+1 nt+r/YlUdy+GSSzvqwh2BpBS1qlkB6SSyZjJkcf03Y9d48AtqWA32IGOOH7uO2Ab 03aEa95BALFeUF7V+TRTFi1fMXWUBRYGcxN5mzPanXo2GvyNrX83CDpdbIr6S/ww IICaWcm5v7TS2waJ9S3Wicu8GS1gHw== =qS9x -----END PGP SIGNATURE----- --Sig_/IyzjQ6x5taW=XsEuuXbE3.i--