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[184.74.98.43]) by smtp.gmail.com with ESMTPSA id 5a478bee46e88-2b05ff8634csm87792829eec.3.2025.12.31.09.35.51 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Wed, 31 Dec 2025 09:36:03 -0800 (PST) From: Waiman Long X-Google-Original-From: Waiman Long Message-ID: Date: Wed, 31 Dec 2025 12:35:49 -0500 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH 33/33] doc: Add housekeeping documentation To: Frederic Weisbecker , Waiman Long Cc: LKML , =?UTF-8?Q?Michal_Koutn=C3=BD?= , Andrew Morton , Bjorn Helgaas , Catalin Marinas , Chen Ridong , Danilo Krummrich , "David S . Miller" , Eric Dumazet , Gabriele Monaco , Greg Kroah-Hartman , Ingo Molnar , Jakub Kicinski , Jens Axboe , Johannes Weiner , Lai Jiangshan , Marco Crivellari , Michal Hocko , Muchun Song , Paolo Abeni , Peter Zijlstra , Phil Auld , "Rafael J . Wysocki" , Roman Gushchin , Shakeel Butt , Simon Horman , Tejun Heo , Thomas Gleixner , Vlastimil Babka , Will Deacon , cgroups@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-block@vger.kernel.org, linux-mm@kvack.org, linux-pci@vger.kernel.org, netdev@vger.kernel.org References: <20251224134520.33231-1-frederic@kernel.org> <20251224134520.33231-34-frederic@kernel.org> <370149fc-1624-4a16-ac47-dd9b2dd0ed29@redhat.com> In-Reply-To: X-Mimecast-Spam-Score: 0 X-Mimecast-MFC-PROC-ID: xUnmDEF03U36IclDZAbHUh3wk2YyLKoIk6sCfArv3I8_1767202568 X-Mimecast-Originator: redhat.com Content-Language: en-US Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 8bit X-Stat-Signature: px1w3n64hryujo9f6grfs9er1j6cmiaa X-Rspamd-Server: rspam05 X-Rspamd-Queue-Id: 7FD32180003 X-Rspam-User: X-HE-Tag: 1767202570-666007 X-HE-Meta: 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 zI+32PCP pkNvveEy4mzCcpy/gZhCpL3j1By8tdh5p8VaOBliajeV4Rm+rxcIRBNWMDNQITuywueScCqcv/zcE2ypo172LPCKnBpDHC7O01s+5ZQhlQ+h08K+kYT/VpuwWuhjSZbe56lmSburTbt6c5dMjbUPrWtuPQAudXV/1faHW3U58GdmoDfeBgguaKu5Z0u1yZsy0RAKk9ISwnXbrSwMQFNdTniV3DHFaY+epeb3HNEoOGCmoTdoYM48awCF3TgJs0LThiurykLcZIujhuAL0e/CzTTOLSxGNNmX5wnymOBS/YDOXguFxzf7ihIGsthBaKyrBY2UrTLjkY6vNik7IcsZWZax/LSckhopUgVp0UAtKNZ0G5U4yfFWqUeOr3/5Ai3/EXU4sRAQVe54w4qvUQak406nMPvewikHpX8qVYhv+wa2kkCLTA+IrfvRCJQ== 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 12/31/25 10:25 AM, Frederic Weisbecker wrote: > Le Fri, Dec 26, 2025 at 07:39:28PM -0500, Waiman Long a écrit : >> On 12/24/25 8:45 AM, Frederic Weisbecker wrote: >>> Signed-off-by: Frederic Weisbecker >>> --- >>> Documentation/core-api/housekeeping.rst | 111 ++++++++++++++++++++++++ >>> Documentation/core-api/index.rst | 1 + >>> 2 files changed, 112 insertions(+) >>> create mode 100644 Documentation/core-api/housekeeping.rst >>> >>> diff --git a/Documentation/core-api/housekeeping.rst b/Documentation/core-api/housekeeping.rst >>> new file mode 100644 >>> index 000000000000..e5417302774c >>> --- /dev/null >>> +++ b/Documentation/core-api/housekeeping.rst >>> @@ -0,0 +1,111 @@ >>> +====================================== >>> +Housekeeping >>> +====================================== >>> + >>> + >>> +CPU Isolation moves away kernel work that may otherwise run on any CPU. >>> +The purpose of its related features is to reduce the OS jitter that some >>> +extreme workloads can't stand, such as in some DPDK usecases. >> Nit: "usecases" => "use cases" > Are you sure? I'm not a native speaker but at least the kernel > has established its use: > > $ git grep usecase | wc -l > 517 "usecase" is not a proper word by itself, but people do use it some times. $ git grep "use case" | wc -l 694 Anyway, you can keep it if you want. It is not something that is worth arguing for. :-) Cheers, Longman