From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id B036C272803; Fri, 27 Feb 2026 00:49:27 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1772153367; cv=none; b=IGdecCOOQQypEDcvxEHFaO/QPaQcHb9T8VfUInajThfAYzb483hU6JhT04P76PifCGAxinlGRgnPqHzLH+mbDWkNEYcP3vKE6twtfdxUO5rP00zF2RLPQu5ER9Wn+b2ovbmEbd25RRSUlj0e6QCl3TxrAG7f8QiN30QdcArA+yM= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1772153367; c=relaxed/simple; bh=0ei8WZJE2FrdZHn/eCwJkCgGu/fralSeuheP3WYhs8U=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=KgQkbAZNUmjm8Sd54mhGxb4EM2wgvSJlyoIFDjLFDZyTE51EzGukLQTqJPQOpx3iw6QUatLnuqWGwpxmQXcVh18WwuEGQs7Zju6zgZk0pitmpxbyEVA3pbr/Ydy34gxhyB86APD5nVPRbc8TnfmSGzjg3OBcjkBcRMzgIgsendw= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=dW5VLMc4; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="dW5VLMc4" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 905B0C116C6; Fri, 27 Feb 2026 00:49:26 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1772153367; bh=0ei8WZJE2FrdZHn/eCwJkCgGu/fralSeuheP3WYhs8U=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=dW5VLMc41+6wsYn1fqjBm5Z2dUQzsrLIbMzBUCUJdNzLWkt+tAliZNJIqTJnGoZiw YZcBpJQwV0umiTacTFuaTGPnJpiWNkDjtQ67O0D4xvd2HmOIoQ383C1NJZg6x0hTWl m9zMc8BqIYuIqA+2QC7M6Z7mAWWV0MIHAGQmg4fIDG/AFlCe8SM4+pyGsHQSuTmmOK WSZzOC+Ss3jHGxwo98vclmX6SceFPgJdF2AiwULvTinadsNnKEqAtfzrcN1Iu6oWZR VR1I//fmXR0l3+taU9//5+KG33gAyIHnLuySx+efG/BhDRB+2aE05s7mh14xOdHFi4 JrOhqSjrBIMMA== From: SeongJae Park To: Dmitry Ilvokhin Cc: SeongJae Park , Andrew Morton , David Hildenbrand , Lorenzo Stoakes , "Liam R. Howlett" , Vlastimil Babka , Mike Rapoport , Suren Baghdasaryan , Michal Hocko , Axel Rasmussen , Yuanchu Xie , Wei Xu , Steven Rostedt , Masami Hiramatsu , Mathieu Desnoyers , Brendan Jackman , Johannes Weiner , Zi Yan , Oscar Salvador , Qi Zheng , Shakeel Butt , 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 v3 4/5] mm: rename zone->lock to zone->_lock Date: Thu, 26 Feb 2026 16:49:23 -0800 Message-ID: <20260227004924.83661-1-sj@kernel.org> X-Mailer: git-send-email 2.47.3 In-Reply-To: <1221b8e7fa9f5694f3c4e411f01581b5aba9bc63.1772129168.git.d@ilvokhin.com> References: Precedence: bulk X-Mailing-List: linux-trace-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit On Thu, 26 Feb 2026 18:26:21 +0000 Dmitry Ilvokhin 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 > Signed-off-by: Dmitry Ilvokhin Acked-by: SeongJae Park Thanks, SJ [...]