linux-kernel - Re: [PATCH slab hotfixes v2 1/2] mm, slab: suppress warnings in test_leak

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Message-ID: <5dd5035c-e924-42e1-8088-225552e53036@roeck-us.net>
Date: Wed, 2 Oct 2024 06:44:48 -0700
From: Guenter Roeck <linux@...ck-us.net>
To: Vlastimil Babka <vbabka@...e.cz>, Christoph Lameter <cl@...ux.com>,
 David Rientjes <rientjes@...gle.com>
Cc: Roman Gushchin <roman.gushchin@...ux.dev>,
 Andrew Morton <akpm@...ux-foundation.org>,
 Hyeonggon Yoo <42.hyeyoo@...il.com>, linux-kernel@...r.kernel.org,
 linux-mm@...ck.org, kernel test robot <oliver.sang@...el.com>
Subject: Re: [PATCH slab hotfixes v2 1/2] mm, slab: suppress warnings in
 test_leak_destroy kunit test

On 10/1/24 09:20, Vlastimil Babka wrote:
> The test_leak_destroy kunit test intends to test the detection of stray
> objects in kmem_cache_destroy(), which normally produces a warning. The
> other slab kunit tests suppress the warnings in the kunit test context,
> so suppress warnings and related printk output in this test as well.
> Automated test running environments then don't need to learn to filter
> the warnings.
> 
> Also rename the test's kmem_cache, the name was wrongly copy-pasted from
> test_kfree_rcu.
> 
> Fixes: 4e1c44b3db79 ("kunit, slub: add test_kfree_rcu() and test_leak_destroy()")
> Reported-by: kernel test robot <oliver.sang@...el.com>
> Closes: https://lore.kernel.org/oe-lkp/202408251723.42f3d902-oliver.sang@intel.com
> Reported-by: Hyeonggon Yoo <42.hyeyoo@...il.com>
> Closes: https://lore.kernel.org/all/CAB=+i9RHHbfSkmUuLshXGY_ifEZg9vCZi3fqr99+kmmnpDus7Q@mail.gmail.com/
> Reported-by: Guenter Roeck <linux@...ck-us.net>
> Closes: https://lore.kernel.org/all/6fcb1252-7990-4f0d-8027-5e83f0fb9409@roeck-us.net/
> Signed-off-by: Vlastimil Babka <vbabka@...e.cz>

Tested-by: Guenter Roeck <linux@...ck-us.net>

Guenter