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Howlett" , Vlastimil Babka , Mike Rapoport , Suren Baghdasaryan , Michal Hocko , Steven Rostedt , Masami Hiramatsu , Mathieu Desnoyers , Brendan Jackman , Johannes Weiner , Zi Yan , Oscar Salvador , Qi Zheng , Shakeel Butt , Axel Rasmussen , Yuanchu Xie , Wei Xu , 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 Subject: Re: [PATCH v2 1/4] mm: introduce zone lock wrappers Message-Id: <20260225121421.2eb75a94578af35780978851@linux-foundation.org> In-Reply-To: <5bcc39cd3a227944d0fbe75ff86cdac92b38d4ca.1772030186.git.d@ilvokhin.com> References: <5bcc39cd3a227944d0fbe75ff86cdac92b38d4ca.1772030186.git.d@ilvokhin.com> X-Mailer: Sylpheed 3.8.0beta1 (GTK+ 2.24.33; x86_64-pc-linux-gnu) Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit X-Rspamd-Server: rspam10 X-Rspamd-Queue-Id: 0DDC440002 X-Stat-Signature: p1ssmu3d3yhec3mgr4d3d97tgsndf3rz X-Rspam-User: X-HE-Tag: 1772050463-90518 X-HE-Meta: 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 mSV4ux3x ADyrNiUwAx0/3tcpAScXkY/RY+5Y6nbLeAuz3+FyYhYU9BnVA9tBT9ZfoE1qziLAsg6DtoCpJlslf16eh6ZyyfujL1Vn5Bo2FWlKAolPe9lfhWu5bJqPirgBJXXYOtrf+V0uULUOLVP7y5RCRK231mr4C9f+bFcyN6ydqHrUMlfDibUrhWcedcFLMyK4WvxB0Aj7Nk/gbSPhU8s7KFbxQVHQhy3x4NefpYFgUHXC0gIQJs2RK/Gjcd2PkAgY5heDQWnrOTxkD/pEIdvgTofpAJ2E/ltkkBmkN//qakFDAkEYRyB4GS6uq82DhjA== Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: On Wed, 25 Feb 2026 14:43:03 +0000 Dmitry Ilvokhin wrote: > Add thin wrappers around zone lock acquire/release operations. This > prepares the code for future tracepoint instrumentation without > modifying individual call sites. > > Centralizing zone lock operations behind wrappers allows future > instrumentation or debugging hooks to be added without touching > all users. > > No functional change intended. The wrappers are introduced in > preparation for subsequent patches and are not yet used. > > ... > > +static inline void zone_lock_init(struct zone *zone) > +{ > + spin_lock_init(&zone->lock); > +} Please consider renaming zone.lock to something else (_lock would be conventional) so that any present and future and out-of-tree unconverted code won't compile.