From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 4E845FD9E26 for ; Fri, 27 Feb 2026 00:49:31 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id 9997E6B0161; Thu, 26 Feb 2026 19:49:30 -0500 (EST) Received: by kanga.kvack.org (Postfix, from userid 40) id 9478E6B0276; Thu, 26 Feb 2026 19:49:30 -0500 (EST) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 83C636B0288; Thu, 26 Feb 2026 19:49:30 -0500 (EST) X-Delivered-To: linux-mm@kvack.org Received: from relay.hostedemail.com (smtprelay0013.hostedemail.com [216.40.44.13]) by kanga.kvack.org (Postfix) with ESMTP id 71D126B0161 for ; Thu, 26 Feb 2026 19:49:30 -0500 (EST) Received: from smtpin17.hostedemail.com (a10.router.float.18 [10.200.18.1]) by unirelay04.hostedemail.com (Postfix) with ESMTP id 002411A03EF for ; Fri, 27 Feb 2026 00:49:29 +0000 (UTC) X-FDA: 84488403258.17.B588789 Received: from tor.source.kernel.org (tor.source.kernel.org [172.105.4.254]) by imf22.hostedemail.com (Postfix) with ESMTP id 6E3B9C0003 for ; Fri, 27 Feb 2026 00:49:28 +0000 (UTC) Authentication-Results: imf22.hostedemail.com; dkim=pass header.d=kernel.org header.s=k20201202 header.b=dW5VLMc4; spf=pass (imf22.hostedemail.com: domain of sj@kernel.org designates 172.105.4.254 as permitted sender) smtp.mailfrom=sj@kernel.org; dmarc=pass (policy=quarantine) header.from=kernel.org ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=hostedemail.com; s=arc-20220608; t=1772153368; h=from:from:sender:reply-to:subject:subject:date:date: message-id:message-id:to:to:cc:cc:mime-version:mime-version: content-type:content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references:dkim-signature; bh=T2KlksqtDqDPZMdMNp2MdT1X4G1xoh049uiXqGS1sLU=; b=7OuXF2UqhxDYbuN8bO82WvcRf/9OneNlYFGQynMmFBOt/iP8k57xP0Xzy9YLrw0eIGh1SE /YqGVN8d5Wln4pHqJRiV/IqY5UOoerTW6J4kRZ+zcs2V+GyeaaITdLl7r2s+tKpGrKKgUZ z84AF7SJ39kPO8Uo0JR/3ZMPCiVeqL8= ARC-Seal: i=1; s=arc-20220608; d=hostedemail.com; t=1772153368; a=rsa-sha256; cv=none; b=vFO0aqSf9NP2MaVXCTljIr7A5bYzlhs6V2Ckle2RkC2DqbOi70BiCO+tpCaCNCQWfGMpxM TJFuHcaNL0TqD7g/6T7bWPCkmD9T7nJXEY2ZMBB2G+hpI2at5BcJFeAREd8Mwch6ZVqoDX Ef42wLbQ7Rp2EsQcjn9cQvgbCdYwPik= ARC-Authentication-Results: i=1; imf22.hostedemail.com; dkim=pass header.d=kernel.org header.s=k20201202 header.b=dW5VLMc4; spf=pass (imf22.hostedemail.com: domain of sj@kernel.org designates 172.105.4.254 as permitted sender) smtp.mailfrom=sj@kernel.org; dmarc=pass (policy=quarantine) header.from=kernel.org Received: from smtp.kernel.org (transwarp.subspace.kernel.org [100.75.92.58]) by tor.source.kernel.org (Postfix) with ESMTP id A6F0960054; Fri, 27 Feb 2026 00:49:27 +0000 (UTC) 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: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Rspamd-Server: rspam09 X-Rspamd-Queue-Id: 6E3B9C0003 X-Stat-Signature: xwmresquc9in1eh3h6pqmkaqmrd87jdi X-Rspam-User: X-HE-Tag: 1772153368-867794 X-HE-Meta: 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 JEt76xg+ ztRaqIbRq5/W2VHDAq0haerGiSC8/AkUXiBg84qTnkwJkA/3sHEvSUGW2v+tvMk3hQ+5iiCRGos/uxiqffR+imLYXB50EdMKk53qKs2efguq9JCimZOpAj23yR3r5rsqUk1mqwaV2mFl0EIx7kRKp3DIjY6X+l2DmEnzn17axTs4NBm0pMSdX89FuWZLP6WXkallXVMX4jk5uwH9xUoMfGsKJu1zhY3FsiO2JH8Qq0rGB1Ot4xfubXE+gWcxLSWaw92+butL2b9QwUEcqHLWCMmyCw9f4t7u0MGl9rJ/ixXLRkkCfyu8WsRBt5kxJciF/0BsvIu1EC5ffIZUw3ZQYBFy1n14qqyMJCle4EyuWfo0fclwUojwfR4/VMKfbsmZCWXhmddMPBUQHKaA= Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: 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 [...]