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 E67923FFAB7; Mon, 2 Mar 2026 14:16:58 +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=1772461019; cv=none; b=s6pD1OBTdc+75j0b93SUu5XvURRCW/+LFpxujJJRM7FEkDzajZocudKJvNirhpqeQah3jJ5BYBYaQlqFIWM5t6Dk4UWzUdrxtKXnqJkW0ACDxTssZ440Qhl0a/zbfkxof4HovUZ2TJzyVitp4SENK8xFdD/HxLUH7Bv8hepCLKQ= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1772461019; c=relaxed/simple; bh=eOi621zBxOkJY1UKHW4ZO6+feq9RArS0Wq0cDsH50hg=; h=Message-ID:Date:MIME-Version:Subject:To:Cc:References:From: In-Reply-To:Content-Type; b=Gfd9Umt3mi9e+/ShDVxQ6R5OdOUMZFD6C2qXP6122li4TyoLiJagJUuCfvGluIuOkUYe6+Q96KBtjac/wz23MYmyTSCve+rATEV35C2arurPIeZyE+y9K66nGNtKC4csi9BvzpbK8qsUqcGL9VDYWAVm0fzbAZ/nN7QQ1e5RVCQ= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=Y2223cUk; 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="Y2223cUk" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 40ECDC19423; Mon, 2 Mar 2026 14:16:53 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1772461018; bh=eOi621zBxOkJY1UKHW4ZO6+feq9RArS0Wq0cDsH50hg=; h=Date:Subject:To:Cc:References:From:In-Reply-To:From; b=Y2223cUkvjYf8lYJZDxKuyv8L0iTzBaH3j6FhQOjgs5aA+bbaXbTF1IxZkZV9Al3C Lo/KTxpqgArklPvabIdDAElOmALZG3jaHCo1ZVAshHi2SaPPvhl48Fjffx6p11UKGa a6pyqPdjAPbd8lb9rg0HhBJurH3FFmMB6zSa0NG3mroIECbWt6m88JmfasymxL0PLW 2GM+f5yDLwg+NyrNWmqhK5rYUqt4Z7hONlA0bmg/ZlamYi1huD1U+DabiPVzOQnlD2 U1H6jkDOW6gfpm9hXavn1QO1rNkcFlI/Ixm0BDH+Uu5ilSfACUbRoe+WhdFScYxNuS szdsnJ1D5LMRA== Message-ID: <502e0f7c-cdf7-4a2d-b038-cfd4b993c9bc@kernel.org> Date: Mon, 2 Mar 2026 15:16:51 +0100 Precedence: bulk X-Mailing-List: linux-trace-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v4 5/5] mm: add tracepoints for zone lock Content-Language: en-US To: Dmitry Ilvokhin , 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 , "Rafael J. Wysocki" , Pavel Machek , Len Brown , Brendan Jackman , Johannes Weiner , Zi Yan , Oscar Salvador , Qi Zheng , Shakeel Butt Cc: linux-kernel@vger.kernel.org, linux-mm@kvack.org, linux-trace-kernel@vger.kernel.org, linux-pm@vger.kernel.org, "linux-cxl@vger.kernel.orgkernel-team"@meta.com References: From: "Vlastimil Babka (SUSE)" In-Reply-To: Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit On 2/27/26 17:00, Dmitry Ilvokhin wrote: > Add tracepoint instrumentation to zone lock acquire/release operations > via the previously introduced wrappers. > > The implementation follows the mmap_lock tracepoint pattern: a > lightweight inline helper checks whether the tracepoint is enabled and > calls into an out-of-line helper when tracing is active. When > CONFIG_TRACING is disabled, helpers compile to empty inline stubs. > > The fast path is unaffected when tracing is disabled. > > Signed-off-by: Dmitry Ilvokhin > Acked-by: Shakeel Butt Agree with Steven; otherwise Reviewed-by: Vlastimil Babka (SUSE)