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Wed, 21 Jan 2026 08:22:54 -0800 (PST) MIME-Version: 1.0 References: <20260116-sheaves-for-all-v3-0-5595cb000772@suse.cz> <20260116-sheaves-for-all-v3-11-5595cb000772@suse.cz> In-Reply-To: From: Suren Baghdasaryan Date: Wed, 21 Jan 2026 16:22:43 +0000 X-Gm-Features: AZwV_Qhsac_Z51cYOHKUSuzgrrT7X6Hd2cSKwh2Th8VEqlGKrAYEFKE43eae864 Message-ID: Subject: Re: [PATCH v3 11/21] slab: remove SLUB_CPU_PARTIAL To: Vlastimil Babka Cc: Harry Yoo , Petr Tesarik , Christoph Lameter , David Rientjes , Roman Gushchin , Hao Li , Andrew Morton , Uladzislau Rezki , "Liam R. Howlett" , Sebastian Andrzej Siewior , Alexei Starovoitov , linux-mm@kvack.org, linux-kernel@vger.kernel.org, linux-rt-devel@lists.linux.dev, bpf@vger.kernel.org, kasan-dev@googlegroups.com Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable X-Rspam-User: X-Rspamd-Server: rspam08 X-Stat-Signature: 33rkfsrrjypkna7j5bj89okz6uwmyuqt X-Rspamd-Queue-Id: A50DF14000C X-HE-Tag: 1769012575-381841 X-HE-Meta: U2FsdGVkX19SXvzS6IIyByHjaiC+IZsJyzi1/bpiuIO/Zaa6h9P5qY7tQrFsiDMqd4pnsPv4YhRjh9UUUnIME9eUf2tdAyDg1ieh1whffY7o78s1xiuz7wIK70dne5AZJRoxxRG9ahLiZB7vclXhC0nmEywt7qKsmHrELfnzdlr+MH+SnHT/3yEu27nt4lpApRv4KFxuqPos7D4VsTb54ktMAkghnOjen//iiRbiPn0vSwMq7rNmyVcpDZgsAv/e0NK05mVDaA2g2GyiZBaFD2P15AUTtHQOfYqAPJLGrejlM2t7ZAP+gzRg42mjnpJqmIV1sh3obFg6eTT1ppD8ZRleQOs/N70c6lDouNOorhH5gUD+FNQAcpVxyYHPETBET0NE+eLJjzatGDpBmEnu3Ot/F0POulDSucReKQy+JF7wuEF2tnjr84H4iVAwoLJ2Z+2dxA5aQEO0XWb5tTttoyds77F5v1lRwtT/UGgvIDF/gjouhTF/PkSneEbMZ5AIKh+nVXo6RIwFqSUwfQNxSIQ/g2+/ZAwH4ha7mllq0WkioPs8KDnP9GFAMzmupTUlnllYrnNeZTX2+lEc8jXS2oAXOCi56aiGIYyOGG6XoNZ+cl34kpwZvuNAnUntdPwG23S/7GHKSkuL0GgqZM6HOF0KMFN5ekOuVqVQ5CCbjIKaD0MfUkMxrKAZuvgvTZ+PgaDC9dbbaPSoHkrPVCWZZGMPNPosnOB6/BsjmPCUtnIxB/TSW82FQC1kYsIA2m4l4pavEQA+/BHFFWpzb8bU17DdiEtgniPppTPcYXQRG5XppMnoIrMuDqIdAIw3LutKGIK58f6rbe9fA+1yxIxQEfRjf2cbLvd9ZbFbxZaKVZ3q26LBWYijPS4f3f8U57lv0VIzvc+bpp0vk5OGrQkF+b+4zDIAj1sXfUwBgB5eo3/l7NgfbMkze9kVME5OR2ARJEWkee/VcfpTB+LZ9r/ WtRrjmA2 B3ConS2o0s/oX89kWHWzuRP2HyxG1ZjC45MZqvcPEHBaRzsf5AMHmcUTPf8BpwhHeBeSK9xQAuC48XZVkYikKsuDoQPZLglQZm0qVmicwFTA9xEutxfjGyRJhgR92wAWj7Ced5CuU3265DAQOmYo1sAhNl2z5SQs3IwmqDxhJtcRrXcUJJk+CXFl4uGdyf6ijMevyiQwFvg8Z8tdUGIgXRe9DdBwT5+b8OaPD1GxShgu309KPBNdyEmI7FVYASpnUOaPqO0PHnTKg810w1l4yqkWnrIpNdf8KYw8/uZOceYWN2bbWgnTDM84W2Q== X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: On Wed, Jan 21, 2026 at 2:22=E2=80=AFPM Vlastimil Babka wr= ote: > > On 1/20/26 23:25, Suren Baghdasaryan wrote: > > On Fri, Jan 16, 2026 at 2:40=E2=80=AFPM Vlastimil Babka wrote: > >> > >> We have removed the partial slab usage from allocation paths. Now remo= ve > >> the whole config option and associated code. > >> > >> Reviewed-by: Suren Baghdasaryan > > > > I did? > > Hmm looks like you didn't. Wonder if I screwed up, or b4 did. Sorry about= that. No worries. > > > 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... I'm fine either way. Thanks! > > > Once addressed, please feel free to keep my Reviewed-by. > > Thanks! >