Message-ID: <54DE8E47.5040800@canonical.com>
Date: Fri, 13 Feb 2015 17:52:39 -0600
From: Chris J Arges <chris.j.arges@canonical.com>
User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:31.0) Gecko/20100101 Thunderbird/31.4.0
MIME-Version: 1.0
To: David Rientjes <rientjes@google.com>
CC: linux-kernel@vger.kernel.org, Jonathan Corbet <corbet@lwn.net>,
        Christoph Lameter <cl@linux.com>, Pekka Enberg <penberg@kernel.org>,
        Joonsoo Kim <iamjoonsoo.kim@lge.com>,
        Andrew Morton <akpm@linux-foundation.org>, linux-doc@vger.kernel.org,
        linux-mm@kvack.org
Subject: Re: [PATCH 3/3] mm: slub: Add SLAB_DEBUG_CRASH option
References: <1423865980-10417-1-git-send-email-chris.j.arges@canonical.com> <1423865980-10417-3-git-send-email-chris.j.arges@canonical.com> <alpine.DEB.2.10.1502131537430.25326@chino.kir.corp.google.com>
In-Reply-To: <alpine.DEB.2.10.1502131537430.25326@chino.kir.corp.google.com>
Content-Type: text/plain; charset=windows-1252
Content-Transfer-Encoding: 7bit
Sender: linux-kernel-owner@vger.kernel.org
Content-Length: 789
Lines: 25


On 02/13/2015 05:38 PM, David Rientjes wrote:
> On Fri, 13 Feb 2015, Chris J Arges wrote:
> 
>> This option crashes the kernel whenever corruption is initially detected. This
>> is useful when trying to use crash dump analysis to determine where memory was
>> corrupted.
>>
>> To enable this option use slub_debug=C.
>>
> 
> Why isn't this done in other debugging functions such as 
> free_debug_processing()?
> 

The diff doesn't show this clearly, but the BUG_ON was added to both
free_debug_processing and alloc_debug_processing.

--chris
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/