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 C2E8519049A for ; Tue, 31 Dec 2024 12:05:00 +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=1735646700; cv=none; b=Bxpl78uSpJ2yumCPYNFAp7l8W+3INieZweJe5vkkdcoj16SPUV/jraFaHJqH9MtAa/86Odp8Cch75ihE2bKQ/O+hnZ996QSVucgT4gh5UePz/fqz686MrJybqOlgeqJofsTN4pJ1wU9wyxgaCJwGJV2OwrukucPQI9HaXmQOttc= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1735646700; c=relaxed/simple; bh=Ou+YuFGvDV4752hzi5LF7im2eNFJtBNjW+hz1smRuAQ=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=k2gCOTjjbuPDtkbwM1nlrS8hiATIX8R1TaTuD8Q7y4iGBAb6TNXtDfeAY4QZQ8bCKRmuV/5QKOvef6Is0naKI4pJGZQd0WnkXOt0QSKtJpXkqWt/T57ZRMAhWwuhunBzcN0pSbjVAAf/uGMz/7IuWV10vrC76/MTZYe3+KcHGuA= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 Received: by smtp.kernel.org (Postfix) with ESMTPSA id 389C9C4CED2; Tue, 31 Dec 2024 12:04:59 +0000 (UTC) Date: Tue, 31 Dec 2024 12:04:56 +0000 From: Catalin Marinas To: Guo Weikang Cc: Andrew Morton , Uros Bizjak , linux-mm@kvack.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH] mm/kmemleak: Fix percpu memory leak detection failure Message-ID: References: <20241227092311.3572500-1-guoweikang.kernel@gmail.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20241227092311.3572500-1-guoweikang.kernel@gmail.com> On Fri, Dec 27, 2024 at 05:23:10PM +0800, Guo Weikang wrote: > kmemleak_alloc_percpu gives an incorrect min_count parameter, causing > percpu memory to be considered a gray object. > > Fixes: 8c8685928910 ("mm/kmemleak: use IS_ERR_PCPU() for pointer in the percpu address space") > > Signed-off-by: Guo Weikang Acked-by: Catalin Marinas