From: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
To: "Michal Koutný" <mkoutny@suse.com>
Cc: Michal Hocko <mhocko@suse.com>,
cgroups@vger.kernel.org, linux-mm@kvack.org,
Andrew Morton <akpm@linux-foundation.org>,
Johannes Weiner <hannes@cmpxchg.org>,
Peter Zijlstra <peterz@infradead.org>,
Thomas Gleixner <tglx@linutronix.de>,
Vladimir Davydov <vdavydov.dev@gmail.com>,
Waiman Long <longman@redhat.com>
Subject: Re: [PATCH 1/4] mm/memcg: Disable threshold event handlers on PREEMPT_RT
Date: Thu, 27 Jan 2022 14:36:45 +0100 [thread overview]
Message-ID: <YfKf7YaUoaL998m6@linutronix.de> (raw)
In-Reply-To: <20220126150455.GC2516@blackbody.suse.cz>
On 2022-01-26 16:04:55 [+0100], Michal Koutný wrote:
> On Wed, Jan 26, 2022 at 03:45:20PM +0100, Sebastian Andrzej Siewior <bigeasy@linutronix.de> wrote:
> > If that is not good, let me think of something else…
>
> I like ifdefing just the static branch enablement. *wink*
That would be one way but it is not obvious that the eventfd/ signal
part of the code is not invoked. And why keep dead code around?
> Michal
Sebastian
next prev parent reply other threads:[~2022-01-27 13:36 UTC|newest]
Thread overview: 31+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-01-25 16:43 [PATCH 0/4] mm/memcg: Address PREEMPT_RT problems instead of disabling it Sebastian Andrzej Siewior
2022-01-25 16:43 ` [PATCH 1/4] mm/memcg: Disable threshold event handlers on PREEMPT_RT Sebastian Andrzej Siewior
2022-01-26 14:40 ` Michal Hocko
2022-01-26 14:45 ` Sebastian Andrzej Siewior
2022-01-26 15:04 ` Michal Koutný
2022-01-27 13:36 ` Sebastian Andrzej Siewior [this message]
2022-01-26 15:21 ` Michal Hocko
2022-01-25 16:43 ` [PATCH 2/4] mm/memcg: Protect per-CPU counter by disabling preemption on PREEMPT_RT where needed Sebastian Andrzej Siewior
2022-01-26 10:06 ` Vlastimil Babka
2022-01-26 11:24 ` Sebastian Andrzej Siewior
2022-01-26 14:56 ` Michal Hocko
2022-01-25 16:43 ` [PATCH 3/4] mm/memcg: Add a local_lock_t for IRQ and TASK object Sebastian Andrzej Siewior
2022-01-26 15:20 ` Michal Hocko
2022-01-27 11:53 ` Sebastian Andrzej Siewior
2022-02-01 12:04 ` Michal Hocko
2022-02-01 12:11 ` Sebastian Andrzej Siewior
2022-02-01 15:29 ` Michal Hocko
2022-02-03 9:54 ` Sebastian Andrzej Siewior
2022-02-03 10:09 ` Michal Hocko
2022-02-03 11:09 ` Sebastian Andrzej Siewior
2022-02-08 17:58 ` Shakeel Butt
2022-02-09 9:17 ` Michal Hocko
2022-01-26 16:57 ` Vlastimil Babka
2022-01-31 15:06 ` Sebastian Andrzej Siewior
2022-02-03 16:01 ` Vlastimil Babka
2022-02-08 17:17 ` Sebastian Andrzej Siewior
2022-02-08 17:28 ` Michal Hocko
2022-02-09 1:48 ` [mm/memcg] 86895e1e85: WARNING:possible_circular_locking_dependency_detected kernel test robot
2022-01-25 16:43 ` [PATCH 4/4] mm/memcg: Allow the task_obj optimization only on non-PREEMPTIBLE kernels Sebastian Andrzej Siewior
2022-01-25 23:21 ` [PATCH 0/4] mm/memcg: Address PREEMPT_RT problems instead of disabling it Andrew Morton
2022-01-26 7:30 ` Sebastian Andrzej Siewior
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=YfKf7YaUoaL998m6@linutronix.de \
--to=bigeasy@linutronix.de \
--cc=akpm@linux-foundation.org \
--cc=cgroups@vger.kernel.org \
--cc=hannes@cmpxchg.org \
--cc=linux-mm@kvack.org \
--cc=longman@redhat.com \
--cc=mhocko@suse.com \
--cc=mkoutny@suse.com \
--cc=peterz@infradead.org \
--cc=tglx@linutronix.de \
--cc=vdavydov.dev@gmail.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