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Date: Fri, 24 Nov 2023 10:26:35 +0100
From: Vlastimil Babka <>
To: David Rientjes <>
Cc: Christoph Lameter <>, Pekka Enberg <>,
 Joonsoo Kim <>,
 Andrew Morton <>,
 Hyeonggon Yoo <>,
 Roman Gushchin <>,
 Andrey Ryabinin <>,
 Alexander Potapenko <>,
 Andrey Konovalov <>, Dmitry Vyukov <>,
 Vincenzo Frascino <>, Marco Elver
 <>, Johannes Weiner <>,
 Michal Hocko <>, Shakeel Butt <>,
 Muchun Song <>, Kees Cook <>,,,,,, Michal Hocko <>
Subject: Re: [PATCH v2 00/21] remove the SLAB allocator

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 <>
> Tested-by: David Rientjes <>

Thanks! And others too.

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

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