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From: SeongJae Park <sj@kernel.org>
To: Dmitry Ilvokhin <d@ilvokhin.com>
Cc: SeongJae Park <sj@kernel.org>,
	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>,
	Steven Rostedt <rostedt@goodmis.org>,
	Masami Hiramatsu <mhiramat@kernel.org>,
	Mathieu Desnoyers <mathieu.desnoyers@efficios.com>,
	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-cxl@vger.kernel.org,
	kernel-team@meta.com,
	Benjamin Cheatham <benjamin.cheatham@amd.com>
Subject: Re: [PATCH v3 4/5] mm: rename zone->lock to zone->_lock
Date: Thu, 26 Feb 2026 16:49:23 -0800	[thread overview]
Message-ID: <20260227004924.83661-1-sj@kernel.org> (raw)
In-Reply-To: <1221b8e7fa9f5694f3c4e411f01581b5aba9bc63.1772129168.git.d@ilvokhin.com>

On Thu, 26 Feb 2026 18:26:21 +0000 Dmitry Ilvokhin <d@ilvokhin.com> wrote:

> This intentionally breaks direct users of zone->lock at compile time so
> all call sites are converted to the zone lock wrappers. Without the
> rename, present and future out-of-tree code could continue using
> spin_lock(&zone->lock) and bypass the wrappers and tracing
> infrastructure.
> 
> No functional change intended.
> 
> Suggested-by: Andrew Morton <akpm@linux-foundation.org>
> Signed-off-by: Dmitry Ilvokhin <d@ilvokhin.com>

Acked-by: SeongJae Park <sj@kernel.org>


Thanks,
SJ

[...]

  parent reply	other threads:[~2026-02-27  0:49 UTC|newest]

Thread overview: 24+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-02-26 18:26 [PATCH v3 0/5] mm: zone lock tracepoint instrumentation Dmitry Ilvokhin
2026-02-26 18:26 ` [PATCH v3 1/5] mm: introduce zone lock wrappers Dmitry Ilvokhin
2026-02-27  0:31   ` SeongJae Park
2026-02-27 13:06     ` Dmitry Ilvokhin
2026-02-27  0:38   ` SeongJae Park
2026-02-27  0:53     ` Steven Rostedt
2026-02-27  1:01       ` SeongJae Park
2026-02-26 18:26 ` [PATCH v3 2/5] mm: convert zone lock users to wrappers Dmitry Ilvokhin
2026-02-27  0:40   ` SeongJae Park
2026-02-26 18:26 ` [PATCH v3 3/5] mm: convert compaction to zone lock wrappers Dmitry Ilvokhin
2026-02-26 19:07   ` Shakeel Butt
2026-02-27  0:45   ` SeongJae Park
2026-02-27 14:46     ` Dmitry Ilvokhin
2026-02-26 18:26 ` [PATCH v3 4/5] mm: rename zone->lock to zone->_lock Dmitry Ilvokhin
2026-02-26 19:09   ` Shakeel Butt
2026-02-26 21:48   ` kernel test robot
2026-02-26 22:08     ` Andrew Morton
2026-02-26 23:13   ` kernel test robot
2026-02-27  0:49   ` SeongJae Park [this message]
2026-02-26 18:26 ` [PATCH v3 5/5] mm: add tracepoints for zone lock Dmitry Ilvokhin
2026-02-26 19:14   ` Shakeel Butt
2026-02-26 21:25     ` Andrew Morton
2026-02-26 21:31       ` Shakeel Butt
2026-02-27 12:39         ` Dmitry Ilvokhin

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