From: Vlastimil Babka <vbabka@suse.cz>
To: Suren Baghdasaryan <surenb@google.com>
Cc: Harry Yoo <harry.yoo@oracle.com>,
Petr Tesarik <ptesarik@suse.com>,
Christoph Lameter <cl@gentwo.org>,
David Rientjes <rientjes@google.com>,
Roman Gushchin <roman.gushchin@linux.dev>,
Hao Li <hao.li@linux.dev>,
Andrew Morton <akpm@linux-foundation.org>,
Uladzislau Rezki <urezki@gmail.com>,
"Liam R. Howlett" <Liam.Howlett@oracle.com>,
Sebastian Andrzej Siewior <bigeasy@linutronix.de>,
Alexei Starovoitov <ast@kernel.org>,
linux-mm@kvack.org, linux-kernel@vger.kernel.org,
linux-rt-devel@lists.linux.dev, bpf@vger.kernel.org,
kasan-dev@googlegroups.com
Subject: Re: [PATCH v3 11/21] slab: remove SLUB_CPU_PARTIAL
Date: Wed, 21 Jan 2026 15:22:08 +0100 [thread overview]
Message-ID: <c17d4413-1ffa-4d3e-8d87-0e7c2b022c16@suse.cz> (raw)
In-Reply-To: <CAJuCfpHaSg2O0vZhfAD+61i7Vq=T3OeQ=NXirXMd-2GCKRAgjg@mail.gmail.com>
On 1/20/26 23:25, Suren Baghdasaryan wrote:
> On Fri, Jan 16, 2026 at 2:40 PM Vlastimil Babka <vbabka@suse.cz> wrote:
>>
>> We have removed the partial slab usage from allocation paths. Now remove
>> the whole config option and associated code.
>>
>> Reviewed-by: Suren Baghdasaryan <surenb@google.com>
>
> I did?
Hmm looks like you didn't. Wonder if I screwed up, or b4 did. Sorry about that.
> Well, if so, I missed some remaining mentions about cpu partial caches:
> - slub.c has several hits on "cpu partial" in the comments.
> - there is one hit on "put_cpu_partial" in slub.c in the comments.
Should be addressed later by [PATCH v3 18/21] slab: update overview
comments. I'll grep the result if anything is missing.
> Should we also update Documentation/ABI/testing/sysfs-kernel-slab to
> say that from now on cpu_partial control always reads 0?
Uh those weird files. Does anyone care? I'd do that separately as well...
> Once addressed, please feel free to keep my Reviewed-by.
Thanks!
next prev parent reply other threads:[~2026-01-21 14:22 UTC|newest]
Thread overview: 106+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-01-16 14:40 [PATCH v3 00/21] slab: replace cpu (partial) slabs with sheaves Vlastimil Babka
2026-01-16 14:40 ` [PATCH v3 01/21] mm/slab: add rcu_barrier() to kvfree_rcu_barrier_on_cache() Vlastimil Babka
2026-01-16 14:40 ` [PATCH v3 02/21] slab: add SLAB_CONSISTENCY_CHECKS to SLAB_NEVER_MERGE Vlastimil Babka
2026-01-16 17:22 ` Suren Baghdasaryan
2026-01-19 3:41 ` Harry Yoo
2026-01-16 14:40 ` [PATCH v3 03/21] mm/slab: move and refactor __kmem_cache_alias() Vlastimil Babka
2026-01-16 14:40 ` [PATCH v3 04/21] mm/slab: make caches with sheaves mergeable Vlastimil Babka
2026-01-16 14:40 ` [PATCH v3 05/21] slab: add sheaves to most caches Vlastimil Babka
2026-01-20 18:47 ` Breno Leitao
2026-01-21 8:12 ` Vlastimil Babka
2026-01-16 14:40 ` [PATCH v3 06/21] slab: introduce percpu sheaves bootstrap Vlastimil Babka
2026-01-17 2:11 ` Suren Baghdasaryan
2026-01-19 3:40 ` Harry Yoo
2026-01-19 9:13 ` Vlastimil Babka
2026-01-19 9:34 ` Vlastimil Babka
2026-01-21 10:52 ` Vlastimil Babka
2026-01-19 11:32 ` Hao Li
2026-01-21 10:54 ` Vlastimil Babka
2026-01-16 14:40 ` [PATCH v3 07/21] slab: make percpu sheaves compatible with kmalloc_nolock()/kfree_nolock() Vlastimil Babka
2026-01-18 20:45 ` Suren Baghdasaryan
2026-01-19 4:31 ` Harry Yoo
2026-01-19 10:09 ` Vlastimil Babka
2026-01-19 10:23 ` Vlastimil Babka
2026-01-19 12:06 ` Hao Li
2026-01-16 14:40 ` [PATCH v3 08/21] slab: handle kmalloc sheaves bootstrap Vlastimil Babka
2026-01-19 5:23 ` Harry Yoo
2026-01-20 1:04 ` Hao Li
2026-01-16 14:40 ` [PATCH v3 09/21] slab: add optimized sheaf refill from partial list Vlastimil Babka
2026-01-19 6:41 ` Harry Yoo
2026-01-19 8:02 ` Harry Yoo
2026-01-19 10:54 ` Vlastimil Babka
2026-01-20 1:41 ` Harry Yoo
2026-01-20 9:32 ` Hao Li
2026-01-20 10:22 ` Harry Yoo
2026-01-20 2:32 ` Harry Yoo
2026-01-20 6:33 ` Vlastimil Babka
2026-01-20 10:27 ` Harry Yoo
2026-01-20 10:32 ` Vlastimil Babka
2026-01-20 2:55 ` Hao Li
2026-01-20 17:19 ` Suren Baghdasaryan
2026-01-21 13:22 ` Vlastimil Babka
2026-01-21 16:12 ` Suren Baghdasaryan
2026-01-16 14:40 ` [PATCH v3 10/21] slab: remove cpu (partial) slabs usage from allocation paths Vlastimil Babka
2026-01-20 4:20 ` Harry Yoo
2026-01-20 8:36 ` Hao Li
2026-01-20 18:06 ` Suren Baghdasaryan
2026-01-21 13:56 ` Vlastimil Babka
2026-01-16 14:40 ` [PATCH v3 11/21] slab: remove SLUB_CPU_PARTIAL Vlastimil Babka
2026-01-20 5:24 ` Harry Yoo
2026-01-20 12:10 ` Hao Li
2026-01-20 22:25 ` Suren Baghdasaryan
2026-01-21 0:58 ` Harry Yoo
2026-01-21 1:06 ` Harry Yoo
2026-01-21 16:21 ` Suren Baghdasaryan
2026-01-21 14:22 ` Vlastimil Babka [this message]
2026-01-21 14:43 ` Vlastimil Babka
2026-01-21 16:22 ` Suren Baghdasaryan
2026-01-16 14:40 ` [PATCH v3 12/21] slab: remove the do_slab_free() fastpath Vlastimil Babka
2026-01-20 5:35 ` Harry Yoo
2026-01-20 12:29 ` Hao Li
2026-01-21 16:57 ` Suren Baghdasaryan
2026-01-16 14:40 ` [PATCH v3 13/21] slab: remove defer_deactivate_slab() Vlastimil Babka
2026-01-20 5:47 ` Harry Yoo
2026-01-20 9:35 ` Hao Li
2026-01-21 17:11 ` Suren Baghdasaryan
2026-01-16 14:40 ` [PATCH v3 14/21] slab: simplify kmalloc_nolock() Vlastimil Babka
2026-01-20 12:06 ` Hao Li
2026-01-21 17:39 ` Suren Baghdasaryan
2026-01-22 1:53 ` Harry Yoo
2026-01-22 8:16 ` Vlastimil Babka
2026-01-22 8:34 ` Harry Yoo
2026-01-16 14:40 ` [PATCH v3 15/21] slab: remove struct kmem_cache_cpu Vlastimil Babka
2026-01-20 12:40 ` Hao Li
2026-01-21 14:29 ` Vlastimil Babka
2026-01-21 17:54 ` Suren Baghdasaryan
2026-01-21 19:03 ` Vlastimil Babka
2026-01-22 3:10 ` Harry Yoo
2026-01-16 14:40 ` [PATCH v3 16/21] slab: remove unused PREEMPT_RT specific macros Vlastimil Babka
2026-01-21 6:42 ` Hao Li
2026-01-21 17:57 ` Suren Baghdasaryan
2026-01-22 3:50 ` Harry Yoo
2026-01-16 14:40 ` [PATCH v3 17/21] slab: refill sheaves from all nodes Vlastimil Babka
2026-01-21 18:30 ` Suren Baghdasaryan
2026-01-22 4:44 ` Harry Yoo
2026-01-22 8:37 ` Vlastimil Babka
2026-01-22 4:58 ` Hao Li
2026-01-22 8:32 ` Vlastimil Babka
2026-01-22 7:02 ` Harry Yoo
2026-01-22 8:42 ` Vlastimil Babka
2026-01-16 14:40 ` [PATCH v3 18/21] slab: update overview comments Vlastimil Babka
2026-01-21 20:58 ` Suren Baghdasaryan
2026-01-22 3:54 ` Hao Li
2026-01-22 6:41 ` Harry Yoo
2026-01-22 8:49 ` Vlastimil Babka
2026-01-16 14:40 ` [PATCH v3 19/21] slab: remove frozen slab checks from __slab_free() Vlastimil Babka
2026-01-22 0:54 ` Suren Baghdasaryan
2026-01-22 6:31 ` Vlastimil Babka
2026-01-22 5:01 ` Hao Li
2026-01-16 14:40 ` [PATCH v3 20/21] mm/slub: remove DEACTIVATE_TO_* stat items Vlastimil Babka
2026-01-22 0:58 ` Suren Baghdasaryan
2026-01-22 5:17 ` Hao Li
2026-01-16 14:40 ` [PATCH v3 21/21] mm/slub: cleanup and repurpose some " Vlastimil Babka
2026-01-22 2:35 ` Suren Baghdasaryan
2026-01-22 9:30 ` Vlastimil Babka
2026-01-22 5:52 ` Hao Li
2026-01-22 9:30 ` Vlastimil Babka
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