From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from gentwo.org (gentwo.org [62.72.0.81]) (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 3DA1212CD8B for ; Mon, 14 Oct 2024 17:10:46 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=62.72.0.81 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1728925847; cv=none; b=geJTHVCaUUQIocBozHSl7JencoNe+GV/Pn60IPRD7390sVapBcJnnQgDsGyUz/0Az3OkGWCSFEIp+qkS+O3KEoOu5+mP8BykO0Wusx7CU2uVBt4b+5llUCMpkbmWavVTWZ9lEiKPaETDpFz72T+4SuDFwWDG0gfRHdKl0gRKMVE= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1728925847; c=relaxed/simple; bh=AuvMWx0X7/J5oBemfea+OJVYpJTBVKzQcuJ/lXhVqSQ=; h=Date:From:To:cc:Subject:In-Reply-To:Message-ID:References: MIME-Version:Content-Type; b=R3DIBo9tIv21vmy5hrFzkNZFpuymxiOQehIDCnDRloAQp7Hl6YFrHttLgIoRccnfP14jlDbiv2cIyV8OWkIJG8QS0jaKlVExQG+fwk0GRLVCiiDoaljJA1RA7UVZ+aFXD5uRFr+HEpvanK8K0kqRJ3EUAEvxJE6wYzyWbW3QkMs= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=gentwo.org; spf=pass smtp.mailfrom=gentwo.org; dkim=pass (1024-bit key) header.d=gentwo.org header.i=@gentwo.org header.b=TZUXH4ff; arc=none smtp.client-ip=62.72.0.81 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=gentwo.org Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=gentwo.org Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=gentwo.org header.i=@gentwo.org header.b="TZUXH4ff" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=gentwo.org; s=default; t=1728924474; bh=AuvMWx0X7/J5oBemfea+OJVYpJTBVKzQcuJ/lXhVqSQ=; h=Date:From:To:cc:Subject:In-Reply-To:References:From; b=TZUXH4ff2wj3mDeTKNAVGZace1RVXnXq9KfYcTiOMVe8b6Y4GiV5W/a6Iut8poR2e RL/TwoTkODxeCf5FWEx9/RO5st7R1xBYofDJjVt7xGOQgAqTqvREwB+EJHBaUyzflm dDR403TpM2ATL52ETM2zzznNOt5VgF6gIVyOkqsc= Received: by gentwo.org (Postfix, from userid 1003) id 59CE840262; Mon, 14 Oct 2024 09:47:54 -0700 (PDT) Received: from localhost (localhost [127.0.0.1]) by gentwo.org (Postfix) with ESMTP id 5898B401C9; Mon, 14 Oct 2024 09:47:54 -0700 (PDT) Date: Mon, 14 Oct 2024 09:47:54 -0700 (PDT) From: "Christoph Lameter (Ampere)" To: Vlastimil Babka cc: David Rientjes , "yuan.gao" , penberg@kernel.org, iamjoonsoo.kim@lge.com, akpm@linux-foundation.org, roman.gushchin@linux.dev, 42.hyeyoo@gmail.com, linux-mm@kvack.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH v3] mm/slub: Avoid list corruption when removing a slab from the full list In-Reply-To: <7726cccb-78f8-4696-ac7e-57598c35576d@suse.cz> Message-ID: References: <20241011102020.58087-1-yuan.gao@ucloud.cn> <572f7473-1781-388b-103e-d4382f58f2f9@google.com> <7726cccb-78f8-4696-ac7e-57598c35576d@suse.cz> 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 On Mon, 14 Oct 2024, Vlastimil Babka wrote: > What about: > > "Slab disabled due to previous consistency check failure" ? I think this implies more than we can actually check. We can only check the metadata generated by SLUB. The consistency check for the object itself does not exist and would have to be done by the subsystem.