From: Dmitry Ilvokhin <d@ilvokhin.com>
To: Steven Rostedt <rostedt@goodmis.org>
Cc: Andrew Morton <akpm@linux-foundation.org>,
David Hildenbrand <david@kernel.org>,
Lorenzo Stoakes <lorenzo.stoakes@oracle.com>,
"Liam R. Howlett" <Liam.Howlett@oracle.com>,
Vlastimil Babka <vbabka@suse.cz>, Mike Rapoport <rppt@kernel.org>,
Suren Baghdasaryan <surenb@google.com>,
Michal Hocko <mhocko@suse.com>,
Axel Rasmussen <axelrasmussen@google.com>,
Yuanchu Xie <yuanchu@google.com>, Wei Xu <weixugc@google.com>,
Masami Hiramatsu <mhiramat@kernel.org>,
Mathieu Desnoyers <mathieu.desnoyers@efficios.com>,
"Rafael J. Wysocki" <rafael@kernel.org>,
Pavel Machek <pavel@kernel.org>, Len Brown <lenb@kernel.org>,
Brendan Jackman <jackmanb@google.com>,
Johannes Weiner <hannes@cmpxchg.org>, Zi Yan <ziy@nvidia.com>,
Oscar Salvador <osalvador@suse.de>,
Qi Zheng <zhengqi.arch@bytedance.com>,
Shakeel Butt <shakeel.butt@linux.dev>,
linux-kernel@vger.kernel.org, linux-mm@kvack.org,
linux-trace-kernel@vger.kernel.org, linux-pm@vger.kernel.org
Subject: Re: [PATCH v4 5/5] mm: add tracepoints for zone lock
Date: Mon, 2 Mar 2026 15:18:45 +0000 [thread overview]
Message-ID: <aaWqVZ4t5AaJfih7@shell.ilvokhin.com> (raw)
In-Reply-To: <20260227144649.3dbff742@gandalf.local.home>
On Fri, Feb 27, 2026 at 02:46:49PM -0500, Steven Rostedt wrote:
> On Fri, 27 Feb 2026 16:00:27 +0000
> Dmitry Ilvokhin <d@ilvokhin.com> wrote:
>
> > static inline void zone_lock_init(struct zone *zone)
> > {
> > @@ -12,26 +59,41 @@ static inline void zone_lock_init(struct zone *zone)
> >
> > #define zone_lock_irqsave(zone, flags) \
> > do { \
> > + bool success = true; \
> > + \
> > + __zone_lock_trace_start_locking(zone); \
> > spin_lock_irqsave(&(zone)->_lock, flags); \
> > + __zone_lock_trace_acquire_returned(zone, success); \
>
> Why the "success" variable and not just:
>
> __zone_lock_trace_acquire_returned(zone, true);
>
> ?
Good point, passing true directly is cleaner. Happy to respin if needed.
next prev parent reply other threads:[~2026-03-02 15:18 UTC|newest]
Thread overview: 24+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-02-27 16:00 [PATCH v4 0/5] mm: zone lock tracepoint instrumentation Dmitry Ilvokhin
2026-02-27 16:00 ` [PATCH v4 1/5] mm: introduce zone lock wrappers Dmitry Ilvokhin
2026-02-27 20:36 ` David Hildenbrand (Arm)
2026-02-28 1:13 ` Zi Yan
2026-02-28 16:23 ` SeongJae Park
2026-03-02 13:34 ` Vlastimil Babka (SUSE)
2026-02-27 16:00 ` [PATCH v4 2/5] mm: convert zone lock users to wrappers Dmitry Ilvokhin
2026-02-27 20:39 ` David Hildenbrand (Arm)
2026-03-02 15:22 ` Dmitry Ilvokhin
2026-02-28 1:14 ` Zi Yan
2026-03-02 13:42 ` Vlastimil Babka (SUSE)
2026-02-27 16:00 ` [PATCH v4 3/5] mm: convert compaction to zone lock wrappers Dmitry Ilvokhin
2026-02-27 20:39 ` David Hildenbrand (Arm)
2026-02-28 1:16 ` Zi Yan
2026-02-28 16:31 ` SeongJae Park
2026-03-02 14:02 ` Vlastimil Babka (SUSE)
2026-02-27 16:00 ` [PATCH v4 4/5] mm: rename zone->lock to zone->_lock Dmitry Ilvokhin
2026-02-27 20:40 ` David Hildenbrand (Arm)
2026-02-28 1:17 ` Zi Yan
2026-03-02 14:10 ` Vlastimil Babka (SUSE)
2026-02-27 16:00 ` [PATCH v4 5/5] mm: add tracepoints for zone lock Dmitry Ilvokhin
2026-02-27 19:46 ` Steven Rostedt
2026-03-02 15:18 ` Dmitry Ilvokhin [this message]
2026-03-02 14:16 ` Vlastimil Babka (SUSE)
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=aaWqVZ4t5AaJfih7@shell.ilvokhin.com \
--to=d@ilvokhin.com \
--cc=Liam.Howlett@oracle.com \
--cc=akpm@linux-foundation.org \
--cc=axelrasmussen@google.com \
--cc=david@kernel.org \
--cc=hannes@cmpxchg.org \
--cc=jackmanb@google.com \
--cc=lenb@kernel.org \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-mm@kvack.org \
--cc=linux-pm@vger.kernel.org \
--cc=linux-trace-kernel@vger.kernel.org \
--cc=lorenzo.stoakes@oracle.com \
--cc=mathieu.desnoyers@efficios.com \
--cc=mhiramat@kernel.org \
--cc=mhocko@suse.com \
--cc=osalvador@suse.de \
--cc=pavel@kernel.org \
--cc=rafael@kernel.org \
--cc=rostedt@goodmis.org \
--cc=rppt@kernel.org \
--cc=shakeel.butt@linux.dev \
--cc=surenb@google.com \
--cc=vbabka@suse.cz \
--cc=weixugc@google.com \
--cc=yuanchu@google.com \
--cc=zhengqi.arch@bytedance.com \
--cc=ziy@nvidia.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