From nobody Sun Feb 8 15:58:19 2026 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 4ED03211A05; Fri, 2 May 2025 20:53:50 +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=1746219230; cv=none; b=coHkn/kwrGpSNaYT6hTfZIHiio4XbR0BQbz3Za+tsDEf7/+SwOWLBHCg5jghnhkKuMbSgSvWFoDCJlGMWpW1OsvaavAO6defUjUYFEuyyeA+29/jVGhtMyJjSi7ZgYLEXqlXEIyLOSyagoB5QKki9Hm0OQPuf9h2HzCIj/TCJAU= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1746219230; c=relaxed/simple; bh=ntjYQudrFrlV6oqiTHASZOhqo5CjgZj8Hu+aw8K3usg=; h=Message-ID:Date:From:To:Cc:Subject:References:MIME-Version: Content-Type; b=mMQVZ5ITtQM3VamlKYqqtWUmehxZdSG2Zm3dloF/HI9rd83S9n9Er+NPkA9fvL6CbyupdjjZ3om+Be8IfK5sNxzCtSVsIHUekIib3S3DtUez3CT4XCMRDp5ku1YWpBorqhmdyO70UiJg9Rlyd4eS2OBfD13YM1kYze6sbDQb86I= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 Received: by smtp.kernel.org (Postfix) with ESMTPSA id 2FB3FC4CEF1; Fri, 2 May 2025 20:53:50 +0000 (UTC) Received: from rostedt by gandalf with local (Exim 4.98.2) (envelope-from ) id 1uAxOH-000000006F5-3rJ6; Fri, 02 May 2025 16:53:49 -0400 Message-ID: <20250502205349.780984353@goodmis.org> User-Agent: quilt/0.68 Date: Fri, 02 May 2025 16:51:59 -0400 From: Steven Rostedt To: linux-kernel@vger.kernel.org, linux-trace-kernel@vger.kernel.org Cc: Masami Hiramatsu , Mark Rutland , Mathieu Desnoyers , Andrew Morton Subject: [PATCH 12/12] tracing: Remove unused buffer_page field from trace_array_cpu structure References: <20250502205147.283272733@goodmis.org> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" From: Steven Rostedt The trace_array_cpu had a "buffer_page" field that was originally going to be used as a backup page for the ring buffer. But the ring buffer has its own way of reusing pages and this field was never used. Remove it. Signed-off-by: Steven Rostedt (Google) --- kernel/trace/trace.h | 1 - 1 file changed, 1 deletion(-) diff --git a/kernel/trace/trace.h b/kernel/trace/trace.h index 646fb5c1066e..499f8d294861 100644 --- a/kernel/trace/trace.h +++ b/kernel/trace/trace.h @@ -184,7 +184,6 @@ struct trace_array; */ struct trace_array_cpu { local_t disabled; - void *buffer_page; /* ring buffer spare */ =20 unsigned long entries; unsigned long saved_latency; --=20 2.47.2