From: Stepanov Anatoly <stepanov.anatoly@huawei.com>
To: Michal Hocko <mhocko@suse.com>
Cc: Gutierrez Asier <gutierrez.asier@huawei-partners.com>,
<akpm@linux-foundation.org>, <david@redhat.com>,
<ryan.roberts@arm.com>, <baohua@kernel.org>,
<willy@infradead.org>, <peterx@redhat.com>, <hannes@cmpxchg.org>,
<hocko@kernel.org>, <roman.gushchin@linux.dev>,
<shakeel.butt@linux.dev>, <muchun.song@linux.dev>,
<cgroups@vger.kernel.org>, <linux-mm@kvack.org>,
<linux-kernel@vger.kernel.org>,
<alexander.kozhevnikov@huawei-partners.com>,
<guohanjun@huawei.com>, <weiyongjun1@huawei.com>,
<wangkefeng.wang@huawei.com>, <judy.chenhui@huawei.com>,
<yusongping@huawei.com>, <artem.kuzin@huawei.com>,
<kang.sun@huawei.com>, <nikita.panov@huawei-partners.com>
Subject: Re: [RFC PATCH 0/3] Cgroup-based THP control
Date: Fri, 1 Nov 2024 16:24:55 +0300 [thread overview]
Message-ID: <5120497d-d60a-4a4b-a39d-9b1dbe89154c@huawei.com> (raw)
In-Reply-To: <ZyTUd5wH1T_IJYRL@tiehlicka>
On 11/1/2024 4:15 PM, Michal Hocko wrote:
> On Fri 01-11-24 14:54:27, Stepanov Anatoly wrote:
>> On 11/1/2024 10:35 AM, Michal Hocko wrote:
>>> On Thu 31-10-24 17:37:12, Stepanov Anatoly wrote:
>>>> If we consider the inheritance approach (prctl + launcher), it's fine until we need to change
>>>> THP mode property for several tasks at once, in this case some batch-change approach needed.
>>>
>>> I do not follow. How is this any different from a single process? Or do
>>> you mean to change the mode for an already running process?
>>>
>> yes, for already running set of processes
>
> Why is that preferred over setting the policy upfront?
Setting the policy in advance is fine, as the first step to do.
But we might not know in advance
which exact policy is the most beneficial for one set of apps or another.
So, i think it's better having an ability to change the policy
on the fly, without app./service restart.
--
Anatoly Stepanov, Huawei
next prev parent reply other threads:[~2024-11-01 13:25 UTC|newest]
Thread overview: 27+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-10-30 8:33 gutierrez.asier
2024-10-30 8:33 ` [RFC PATCH 1/3] mm: Add thp_flags control for cgroup gutierrez.asier
2024-10-30 8:33 ` [RFC PATCH 2/3] mm: Support for huge pages in cgroups gutierrez.asier
2024-10-30 8:33 ` [RFC PATCH 3/3] mm: Add thp_defrag control for cgroup gutierrez.asier
2024-10-30 8:38 ` [RFC PATCH 0/3] Cgroup-based THP control Michal Hocko
2024-10-30 12:51 ` Gutierrez Asier
2024-10-30 13:27 ` Michal Hocko
2024-10-30 14:58 ` Gutierrez Asier
2024-10-30 15:15 ` Michal Hocko
2024-10-31 6:06 ` Stepanov Anatoly
2024-10-31 8:33 ` Michal Hocko
2024-10-31 14:37 ` Stepanov Anatoly
2024-11-01 7:35 ` Michal Hocko
2024-11-01 11:54 ` Stepanov Anatoly
2024-11-01 13:15 ` Michal Hocko
2024-11-01 13:24 ` Stepanov Anatoly [this message]
2024-11-01 13:28 ` Michal Hocko
2024-11-01 13:39 ` Stepanov Anatoly
2024-11-01 13:50 ` Michal Hocko
2024-11-01 14:03 ` Stepanov Anatoly
2024-11-01 16:01 ` Matthew Wilcox
2024-10-30 13:14 ` Matthew Wilcox
2024-10-30 13:16 ` David Hildenbrand
2024-10-30 14:45 ` Chris Down
2024-10-30 15:04 ` Michal Hocko
2024-10-30 15:08 ` Johannes Weiner
2024-11-01 12:44 ` Stepanov Anatoly
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=5120497d-d60a-4a4b-a39d-9b1dbe89154c@huawei.com \
--to=stepanov.anatoly@huawei.com \
--cc=akpm@linux-foundation.org \
--cc=alexander.kozhevnikov@huawei-partners.com \
--cc=artem.kuzin@huawei.com \
--cc=baohua@kernel.org \
--cc=cgroups@vger.kernel.org \
--cc=david@redhat.com \
--cc=guohanjun@huawei.com \
--cc=gutierrez.asier@huawei-partners.com \
--cc=hannes@cmpxchg.org \
--cc=hocko@kernel.org \
--cc=judy.chenhui@huawei.com \
--cc=kang.sun@huawei.com \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-mm@kvack.org \
--cc=mhocko@suse.com \
--cc=muchun.song@linux.dev \
--cc=nikita.panov@huawei-partners.com \
--cc=peterx@redhat.com \
--cc=roman.gushchin@linux.dev \
--cc=ryan.roberts@arm.com \
--cc=shakeel.butt@linux.dev \
--cc=wangkefeng.wang@huawei.com \
--cc=weiyongjun1@huawei.com \
--cc=willy@infradead.org \
--cc=yusongping@huawei.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox