netdev - Re: [PATCH 33/33] doc: Add housekeeping documentation

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Message-ID: <f4228e20-62ff-4701-b6ce-59c99188d7b5@redhat.com>
Date: Wed, 31 Dec 2025 12:35:49 -0500
From: Waiman Long <llong@...hat.com>
To: Frederic Weisbecker <frederic@...nel.org>, Waiman Long <llong@...hat.com>
Cc: LKML <linux-kernel@...r.kernel.org>, Michal Koutný
 <mkoutny@...e.com>, Andrew Morton <akpm@...ux-foundation.org>,
 Bjorn Helgaas <bhelgaas@...gle.com>,
 Catalin Marinas <catalin.marinas@....com>,
 Chen Ridong <chenridong@...wei.com>, Danilo Krummrich <dakr@...nel.org>,
 "David S . Miller" <davem@...emloft.net>, Eric Dumazet
 <edumazet@...gle.com>, Gabriele Monaco <gmonaco@...hat.com>,
 Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
 Ingo Molnar <mingo@...hat.com>, Jakub Kicinski <kuba@...nel.org>,
 Jens Axboe <axboe@...nel.dk>, Johannes Weiner <hannes@...xchg.org>,
 Lai Jiangshan <jiangshanlai@...il.com>,
 Marco Crivellari <marco.crivellari@...e.com>, Michal Hocko
 <mhocko@...e.com>, Muchun Song <muchun.song@...ux.dev>,
 Paolo Abeni <pabeni@...hat.com>, Peter Zijlstra <peterz@...radead.org>,
 Phil Auld <pauld@...hat.com>, "Rafael J . Wysocki" <rafael@...nel.org>,
 Roman Gushchin <roman.gushchin@...ux.dev>,
 Shakeel Butt <shakeel.butt@...ux.dev>, Simon Horman <horms@...nel.org>,
 Tejun Heo <tj@...nel.org>, Thomas Gleixner <tglx@...utronix.de>,
 Vlastimil Babka <vbabka@...e.cz>, Will Deacon <will@...nel.org>,
 cgroups@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
 linux-block@...r.kernel.org, linux-mm@...ck.org, linux-pci@...r.kernel.org,
 netdev@...r.kernel.org
Subject: Re: [PATCH 33/33] doc: Add housekeeping documentation

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 <frederic@...nel.org>
>>> ---
>>>    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