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Message-ID: <2d0626b2-793c-315f-dc93-af021bd5cb85@suse.cz>
Date: Fri, 24 Nov 2023 10:26:35 +0100
From: Vlastimil Babka <vbabka@...e.cz>
To: David Rientjes <rientjes@...gle.com>
Cc: Christoph Lameter <cl@...ux.com>,
Pekka Enberg <penberg@...nel.org>,
Joonsoo Kim <iamjoonsoo.kim@....com>,
Andrew Morton <akpm@...ux-foundation.org>,
Hyeonggon Yoo <42.hyeyoo@...il.com>,
Roman Gushchin <roman.gushchin@...ux.dev>,
Andrey Ryabinin <ryabinin.a.a@...il.com>,
Alexander Potapenko <glider@...gle.com>,
Andrey Konovalov <andreyknvl@...il.com>,
Dmitry Vyukov <dvyukov@...gle.com>,
Vincenzo Frascino <vincenzo.frascino@....com>,
Marco Elver <elver@...gle.com>,
Johannes Weiner <hannes@...xchg.org>,
Michal Hocko <mhocko@...nel.org>,
Shakeel Butt <shakeelb@...gle.com>,
Muchun Song <muchun.song@...ux.dev>,
Kees Cook <keescook@...omium.org>, linux-mm@...ck.org,
linux-kernel@...r.kernel.org, kasan-dev@...glegroups.com,
cgroups@...r.kernel.org, linux-hardening@...r.kernel.org,
Michal Hocko <mhocko@...e.com>
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 <rientjes@...gle.com>
> Tested-by: David Rientjes <rientjes@...gle.com>
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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