linux-kernel - Re: [PATCH 0/7] remove SLOB and allow kfree() with kmem_cache

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Message-ID: <be3635be-7602-c179-8c44-f4486d7305fe@suse.cz>
Date:   Wed, 15 Mar 2023 14:40:17 +0100
From:   Vlastimil Babka <vbabka@...e.cz>
To:     Lorenzo Stoakes <lstoakes@...il.com>
Cc:     Mike Rapoport <mike.rapoport@...il.com>,
        Christoph Lameter <cl@...ux.com>,
        David Rientjes <rientjes@...gle.com>,
        Joonsoo Kim <iamjoonsoo.kim@....com>,
        Pekka Enberg <penberg@...nel.org>,
        Hyeonggon Yoo <42.hyeyoo@...il.com>,
        Roman Gushchin <roman.gushchin@...ux.dev>,
        Andrew Morton <akpm@...ux-foundation.org>, linux-mm@...ck.org,
        rcu@...r.kernel.org, linux-fsdevel@...r.kernel.org,
        linux-kernel@...r.kernel.org, patches@...ts.linux.dev,
        netdev@...r.kernel.org, linux-doc@...r.kernel.org,
        "David S. Miller" <davem@...emloft.net>,
        Eric Dumazet <edumazet@...gle.com>,
        Frederic Weisbecker <frederic@...nel.org>,
        Jakub Kicinski <kuba@...nel.org>,
        Joel Fernandes <joel@...lfernandes.org>,
        Jonathan Corbet <corbet@....net>,
        Josh Triplett <josh@...htriplett.org>,
        Lai Jiangshan <jiangshanlai@...il.com>,
        Mathieu Desnoyers <mathieu.desnoyers@...icios.com>,
        Mike Rapoport <rppt@...nel.org>,
        Neeraj Upadhyay <quic_neeraju@...cinc.com>,
        Paolo Abeni <pabeni@...hat.com>,
        "Paul E. McKenney" <paulmck@...nel.org>,
        Steven Rostedt <rostedt@...dmis.org>
Subject: Re: [PATCH 0/7] remove SLOB and allow kfree() with kmem_cache_alloc()

On 3/14/23 23:10, Lorenzo Stoakes wrote:
> On Mon, Mar 13, 2023 at 05:36:44PM +0100, Vlastimil Babka wrote:
>> > git grep -in slob still gives a couple of matches. I've dropped the
>> > irrelevant ones it it left me with these:
> 
> I see an #ifdef in security/tomoyo/common.h which I guess is not really
> relevant? And certainly not harmful in practice. Thought might be nice to
> eliminate the last reference to CONFIG_SLOB in the kernel :)

Yeah I wrote in the cover letter the tomoyo change is already going through
tomoyo tree. And based on Jakub's feedback the skbuff change will be also
posted separately.