Re: [PATCH v3 11/21] slab: remove SLUB_CPU_PARTIAL

Vlastimil Babka
2026-01-21T14:22:10Z

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!