From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-pf1-f182.google.com (mail-pf1-f182.google.com [209.85.210.182]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 986164C84 for ; Sat, 4 May 2024 07:14:42 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.210.182 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1714806883; cv=none; b=cIqa6AMmCHGdpBmDZr/42HS7I9MImgFV6kxo9AXNtw4YOXLrJFpmugnlVT/QmM3+uau3dBjOLSDWnAz5biGBwfKXEHvCeNYaejHFP0Mn0+uSV6GeEDTzpcQFgX/F4Xt1DgIH4B47Nzecv6GEo/jgq8dv4lxkv0XW5biRQPEf5E4= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1714806883; c=relaxed/simple; bh=JPi5SPuiU0SL02Qqqpcf1D/xtRrzm+mxaCVNvt4+a+4=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=ZpwDAWS+eAkWx0v2Yl3z7n6p4JRpTg3URi3i5AiL58kwn4rdlNsJpCKMKJsFc9+hNSAyFfj4gajpKe4ZVIyHRiWBn1O5Uq3mcx7hBDmbNR8C3D5hvvqxmrrUYhfxfev3VeJWdpeXH5f4rXMV3ctDptrgGgQxslAlFEtgVJ7XkWg= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=chromium.org; spf=pass smtp.mailfrom=chromium.org; dkim=pass (1024-bit key) header.d=chromium.org header.i=@chromium.org header.b=hGARJTWt; arc=none smtp.client-ip=209.85.210.182 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=chromium.org Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=chromium.org Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=chromium.org header.i=@chromium.org header.b="hGARJTWt" Received: by mail-pf1-f182.google.com with SMTP id d2e1a72fcca58-6f4551f2725so404593b3a.1 for ; Sat, 04 May 2024 00:14:42 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=chromium.org; s=google; t=1714806882; x=1715411682; darn=lists.linux.dev; h=in-reply-to:content-disposition:mime-version:references:message-id :subject:cc:to:from:date:from:to:cc:subject:date:message-id:reply-to; bh=A4N1i5Pm2LxhMxIRBzRCWAdKMXxb3hPvU+8V8CPs4HE=; b=hGARJTWtrZpbsgEFKnfmD0Ts7/bIZ31S4wJTj9qt/JPiNqNS2NJvIM4d0WV0+9SXG5 VcO+csRfE7VKKrOS3CL0mt2PfWdoZAmLmy1HGe8DkNYUnIiDrtyu0gsC7cHISAu3STLt YMUOFzHkwcD/mHmbYUVqFrwa6l9p64z/tP9I0= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1714806882; x=1715411682; h=in-reply-to:content-disposition:mime-version:references:message-id :subject:cc:to:from:date:x-gm-message-state:from:to:cc:subject:date :message-id:reply-to; bh=A4N1i5Pm2LxhMxIRBzRCWAdKMXxb3hPvU+8V8CPs4HE=; b=ZoQQFbUnlBWr4nUNbzJvvfjizsf3hJgYF3xsgPB1SQnTErRQ0+pUTJoMVMDPt8xGos c0sFZmNlFyxiH5ZVqwntszotCTTmEWfOL1YaWP0YI02E5Z/QG5whrZQl7WmY2C4a6/58 44aEibPFxrFMKgiD799Oz2PJ7S71CtV0mkv+ShX+FUJ1ycPUTNreeUEfZQgbzgxz/fok sjcR735GGBCgv5AK+WPzGUSwqrL5TLqVsTbbTkVvSRVBIAO6OellUSvU077WsFMjakXg CPSilqsJ/YjIBjqaOOmEb1u/FOWXwfgSh36Mj9yC7sB23TbcUZOko+IciHQphiQjcuHM w9xg== X-Forwarded-Encrypted: i=1; AJvYcCVsrSYTnUwlu46Pnj47ec6E/Vbk56qOVPk9YPaqaZ7yZIUkgge8/KPYCAg2uoYHcw3hpvoyJ0NkpBJr0EEajOBI7UJBGg== X-Gm-Message-State: AOJu0YzCgIiuIwSdE40XV+gzOqLVi3/+qwb7ri4VF14r1VEhFlmpAyJS rl/ue/PjcrZF7YY00wBGrvW8PJTEzv0VAJ/73lUAM5p+lV0vVd0iflRzLBMhFow3DOEDh4D+Lqs = X-Google-Smtp-Source: AGHT+IFn79avCXCi7TK4D20lbbR6FREI9JMpMXrAyAVwamxmEgAFymvNjriz4FhRmJ0iOLvNa3EtUQ== X-Received: by 2002:a05:6a20:7f84:b0:1a9:c28e:bc17 with SMTP id d4-20020a056a207f8400b001a9c28ebc17mr5550146pzj.45.1714806861314; Sat, 04 May 2024 00:14:21 -0700 (PDT) Received: from google.com ([2401:fa00:8f:203:a616:7211:d0ce:9ad9]) by smtp.gmail.com with ESMTPSA id b185-20020a6334c2000000b0061f42afa8d0sm1391585pga.6.2024.05.04.00.14.19 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sat, 04 May 2024 00:14:20 -0700 (PDT) Date: Sat, 4 May 2024 16:14:16 +0900 From: Sergey Senozhatsky To: kernel test robot Cc: Sergey Senozhatsky , Andrew Morton , Minchan Kim , llvm@lists.linux.dev, oe-kbuild-all@lists.linux.dev, Linux Memory Management List , linux-kernel@vger.kernel.org, linux-block@vger.kernel.org Subject: Re: [PATCH 08/14] zram: check that backends array has at least one backend Message-ID: <20240504071416.GH14947@google.com> References: <20240503091823.3616962-9-senozhatsky@chromium.org> <202405041440.UTBQZAaf-lkp@intel.com> Precedence: bulk X-Mailing-List: llvm@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <202405041440.UTBQZAaf-lkp@intel.com> On (24/05/04 14:54), kernel test robot wrote: > | ~~~~~~~~~~~~~~~~~~~~~~ > >> drivers/block/zram/zcomp.c:214:2: error: call to '__compiletime_assert_285' declared with 'error' attribute: BUILD_BUG_ON failed: ARRAY_SIZE(backends) <= 1 > 214 | BUILD_BUG_ON(ARRAY_SIZE(backends) <= 1); > | ^ So this is what that BUILD_BUG_ON() is supposed to catch. You don't have any backends selected in your .config: # CONFIG_ZRAM_BACKEND_LZO is not set # CONFIG_ZRAM_BACKEND_LZ4 is not set # CONFIG_ZRAM_BACKEND_LZ4HC is not set # CONFIG_ZRAM_BACKEND_ZSTD is not set # CONFIG_ZRAM_BACKEND_DEFLATE is not set CONFIG_ZRAM_DEF_COMP="unset-value" Which is invalid configuration because it means that zram has no compression enabled.