From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-wr1-f53.google.com (mail-wr1-f53.google.com [209.85.221.53]) (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 00B2D32938C for ; Wed, 7 Jan 2026 19:26:01 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.221.53 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1767813965; cv=none; b=NFBLdC6qYaE716hQmfrzAG/w3Bi/daCAV3dFD27PqYOK80qJ3n+wKc8oWUHOJafpl881/QMeud4Yc/dabgt5dm77Nnx8eC0iWEX4Jw145AxMOCqUf8e/aTHbEeppVSLApywA2s5rrDITZjnmphHTVG2ASy4qhllEDU2gB9A721c= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1767813965; c=relaxed/simple; bh=bzwePzuGkydAtgqL82OSMgytLQq3cNghf8x8gqvOVzo=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=SGtHtFEsjokZSRaNBKL5YT7CBim2iL6C891M2ySBnHzHwGEVtlK7vtIYSASWZTsLo6wezN19IwAdhplw9aUam6w82dxXKinNpn/UPEf6MU0qw43q2lkmWHb8bS91bjbq2i+XuH7JVvsGz0BKQBfxHwx86xC8HZ0UItO1RJloQd4= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linaro.org; spf=pass smtp.mailfrom=linaro.org; dkim=pass (2048-bit key) header.d=linaro.org header.i=@linaro.org header.b=SeNTrtFC; arc=none smtp.client-ip=209.85.221.53 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linaro.org Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=linaro.org Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=linaro.org header.i=@linaro.org header.b="SeNTrtFC" Received: by mail-wr1-f53.google.com with SMTP id ffacd0b85a97d-43260a5a096so1659880f8f.0 for ; Wed, 07 Jan 2026 11:26:01 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; t=1767813960; x=1768418760; 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=9etsUorNiOZ8l/OXX3tw4FbgqU4S6IaRaXYJxAwLmm4=; b=SeNTrtFCt/BlqswuEkOMhj5TyTdsebYCHaKTNp/xS3b+dSSiNzU9W5K3s9qiT7jBU4 Bf2QjX/XNgnqariuhiGuK90fTVz/ROf8rRSO8p+xhC7wrkXKY3tzjqPhAlT/yI+UedkX zs2IzF5Di8UDUNcnICgNw8B1lcT7TajoP0+4XLOO3MtfLZcU+H5eD6pO1/eOSrvCjiHH ++e64kRdzLrsBXSmJ0IMKCiuT2WAo/xEz8pWUxy3JDSnr+7XS+yFlkazyOYvXcFAUhmJ y8KKq71XJbHZyJPwfAWogs9SUUWbX6VyqMy09oh8VaOnnjKAm1j63THF34xy7ek1m56R ODTA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1767813960; x=1768418760; h=in-reply-to:content-disposition:mime-version:references:message-id :subject:cc:to:from:date:x-gm-gg:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=9etsUorNiOZ8l/OXX3tw4FbgqU4S6IaRaXYJxAwLmm4=; b=btMaFxd75It3Z4LUrCBgYwohwcnRDry/VWIfCBQXvPu5bVs4d61Fqg0zXoyhyVBse4 7rkvGi+CRAa11ZN4ija6B/lF44cAE2/LkgKsEtrkybLmHpqhmgrx/ybvgn46kn0qp+RE MY1w9C+lTTlsoi8qbG0VIqL6agnuhr8CX0Gsgn4aoIB4wVRZ9VX3gjstQbNz3fjVj7gJ woFoZ5RoORz0EAwdPVOVnW7EaU8sUGEokV8iGvRMm87PH9LdiFhunbrfZI68faESwyHA E4IBEXeWHhPxfdDkX1jVzGYRqOFBAXLtWPpdeMMplMzrOVS/5ZIb+WbMnLId6XGZBT91 OZ2w== X-Forwarded-Encrypted: i=1; AJvYcCVOd3rjbLJz2E/nW6Kr9x+aNughXTPFylZIQSpK28AWDTKi0VMrYyDyaQoiAuY/j0rGZMQQCkI2XkE=@lists.linux.dev X-Gm-Message-State: AOJu0YyH21M/j4eg3XphsP29vG9ZzcdW8/Jsy1oStYWcS50Zv6ngnCH7 Wu+5hU/zGv9kUhshYYKNQFQsUx9hWoI6zXBC/KmBcLdoRladaS3lzJPwD6Stv4khfc8= X-Gm-Gg: AY/fxX6R+FE3P/8NDdtknHkfOIVW6zItW5V+cDKaxuTClkzgGATPdgMBoTqj+xZMtlH HLE7DqyWAXuW5M+5nfonpOm/AwIPpbyw/ArQUQ7LeDZs+tc1ivrjLNTwBbb1Kk962lRphOi57xp G+Ks+2vwjaatZtEz6OhPTw3RWeRwzHAEpZd+Y/eDvtv8F9IyRXbsUiW7gk8iQpDK1vHYgQL04V9 ajn2KXFFN+LAH5RS6Z45qT5B4C/Zo/8dAVYNajkeqeKMZJx1H5fUqKZtx/2t7Wvz+9sNXosEsqz 1IKjN6Il4Qfl/d31W+mx1i+bzMHG+Cw3Mbz8DLaH/iThuSj2BHPYxjAiyqujE1C93yE5n/1YnhN uVvU9Qu4QsAhcYclhOyVRhjWvm/QHI5RcofXyPXVdlNrBCjo/P49Fx8VbZFuUHQgAA17xOyQ+XQ aP4X6NzOT27JJtTHPb X-Google-Smtp-Source: AGHT+IFXTNEyUjdBD0MDU5MIQJ3Epy5W6zBCk9xEmL0+6Qn+D2NlAB3rLyv39j4W+wGpGQZAEarjpQ== X-Received: by 2002:a05:6000:2886:b0:42f:b581:c69a with SMTP id ffacd0b85a97d-432c378a894mr5264865f8f.5.1767813960134; Wed, 07 Jan 2026 11:26:00 -0800 (PST) Received: from localhost ([196.207.164.177]) by smtp.gmail.com with ESMTPSA id ffacd0b85a97d-432bd5edd51sm11970261f8f.29.2026.01.07.11.25.59 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 07 Jan 2026 11:25:59 -0800 (PST) Date: Wed, 7 Jan 2026 22:25:56 +0300 From: Dan Carpenter To: Kairui Song Cc: kernel test robot , oe-kbuild@lists.linux.dev, Dan Carpenter Subject: Re: mm/vmscan.c:784 __remove_mapping() error: uninitialized symbol 'ci'. Message-ID: References: <202601010353.E7g5cCo8-lkp@intel.com> Precedence: bulk X-Mailing-List: oe-kbuild@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: On Thu, Jan 08, 2026 at 01:17:15AM +0800, Kairui Song wrote: > > be7c07d60e13ac Matthew Wilcox (Oracle 2021-12-23 779) if (folio_test_swapcache(folio)) { > > 3d2c9087688777 David Hildenbrand 2023-08-21 780 swp_entry_t swap = folio->swap; > > ac35a490237446 Yu Zhao 2022-09-18 781 > > aae466b0052e18 Joonsoo Kim 2020-08-11 782 if (reclaimed && !mapping_exiting(mapping)) > > 8927f6473e56e3 Matthew Wilcox (Oracle 2021-12-23 783) shadow = workingset_eviction(folio, target_memcg); > > 8578e0c00dcf0c Kairui Song 2025-09-17 @784 __swap_cache_del_folio(ci, folio, swap, shadow); > > Seems a false positive to me, folio_test_swapcache is true here, and the folio is locked, so it must be true above too where ci is set. > > I'll check if some cleanup can be done, maybe silent the bot. > You're reading email with lei. The way these emails normally work is that I read through it and only forward the useful emails. In this case, I saw it was a false positive. Unfortunately, we're in a pause while Linaro raises funds to continue this project so we might start sending unfiltered emails for a bit... There are a number of other Smatch related things that I normally do when we can raise funds again. https://lore.kernel.org/all/aTaiGSbWZ9DJaGo7@stanley.mountain/ regards, dan carpenter