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Date:   Fri, 24 Nov 2023 10:26:35 +0100
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Subject: Re: [PATCH v2 00/21] remove the SLAB allocator
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To:     David Rientjes <rientjes@google.com>
Cc:     Christoph Lameter <cl@linux.com>,
        Pekka Enberg <penberg@kernel.org>,
        Joonsoo Kim <iamjoonsoo.kim@lge.com>,
        Andrew Morton <akpm@linux-foundation.org>,
        Hyeonggon Yoo <42.hyeyoo@gmail.com>,
        Roman Gushchin <roman.gushchin@linux.dev>,
        Andrey Ryabinin <ryabinin.a.a@gmail.com>,
        Alexander Potapenko <glider@google.com>,
        Andrey Konovalov <andreyknvl@gmail.com>,
        Dmitry Vyukov <dvyukov@google.com>,
        Vincenzo Frascino <vincenzo.frascino@arm.com>,
        Marco Elver <elver@google.com>,
        Johannes Weiner <hannes@cmpxchg.org>,
        Michal Hocko <mhocko@kernel.org>,
        Shakeel Butt <shakeelb@google.com>,
        Muchun Song <muchun.song@linux.dev>,
        Kees Cook <keescook@chromium.org>, linux-mm@kvack.org,
        linux-kernel@vger.kernel.org, kasan-dev@googlegroups.com,
        cgroups@vger.kernel.org, linux-hardening@vger.kernel.org,
        Michal Hocko <mhocko@suse.com>
References: <20231120-slab-remove-slab-v2-0-9c9c70177183@suse.cz>
 <b4d53ec4-482d-23ec-b73f-dfbc58ccc149@google.com>
From:   Vlastimil Babka <vbabka@suse.cz>
In-Reply-To: <b4d53ec4-482d-23ec-b73f-dfbc58ccc149@google.com>
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On 11/24/23 01:45, David Rientjes wrote:
> On Mon, 20 Nov 2023, Vlastimil Babka wrote:
> 
>> Changes from v1:
>> - Added new Patch 01 to fix up kernel docs build (thanks Marco Elver)
>> - Additional changes to Kconfig user visible texts in Patch 02 (thanks Kees
>>   Cook)
>> - Whitespace fixes and other fixups (thanks Kees)
>> 
>> The SLAB allocator has been deprecated since 6.5 and nobody has objected
>> so far. As we agreed at LSF/MM, we should wait with the removal until
>> the next LTS kernel is released. This is now determined to be 6.6, and
>> we just missed 6.7, so now we can aim for 6.8 and start exposing the
>> removal to linux-next during the 6.7 cycle. If nothing substantial pops
>> up, will start including this in slab-next later this week.
>> 
> 
> I agree with the decision to remove the SLAB allocator, same as at LSF/MM.  
> Thanks for doing this, Vlastimil!
> 
> And thanks for deferring this until the next LTS kernel, it will give any 
> last minute hold outs a full year to raise any issues in their switch to 
> SLUB if they only only upgrade to LTS kernels at which point we'll have 
> done our due diligence to make people aware of SLAB's deprecation in 6.6.
> 
> I've completed testing on v1 of the series, so feel free to add
> 
> Acked-by: David Rientjes <rientjes@google.com>
> Tested-by: David Rientjes <rientjes@google.com>

Thanks! And others too.

I've now pushed this series to slab/for-6.8/slab-removal and slab/for-next