From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from sendmail.purelymail.com (sendmail.purelymail.com [34.202.193.197]) (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 BBF8B30C629 for ; Tue, 2 Sep 2025 20:03:36 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=34.202.193.197 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1756843418; cv=none; b=uQMuSLmPmbm8RCJT4XdAf5R1+1phFO2dC8Xm1Jk9YONqWmZPl6dZM/A0S+PuLKeJSeJAjZBg1QzyjpbqwP3ZwV5uUckekhTgi30r/+vXjEo7Armr48W8zDSHeACsQ6HIQcbz5BMA6Fk1XkHM34tpk+KruQ2XXIS3xwW3l60tBPE= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1756843418; c=relaxed/simple; bh=nqYjo+c3TExuTII3/IldzrPY/ERqW+m8zP1ABITcHM0=; h=Message-ID:Date:MIME-Version:Subject:To:Cc:References:From: In-Reply-To:Content-Type; b=jpj+X5HDbWdCahwMy6rBiGxTnJlrs0rWzxaL6c3YJFtMsxjehK6eTUxTUDk2ZUn29C9RMuL/XKjWbHW7EQliVRVfdXtvjaP8WlNGFAvdOsbTiCcElI4+gV1B1snf0UB6wMh5lxJPzA+WnJoWqm3pwvUxrTH+8F17WygPCHxkP08= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=elijahs.space; spf=pass smtp.mailfrom=elijahs.space; dkim=pass (2048-bit key) header.d=elijahs.space header.i=@elijahs.space header.b=b2lFybW5; dkim=pass (2048-bit key) header.d=purelymail.com header.i=@purelymail.com header.b=bXOkKmCq; arc=none smtp.client-ip=34.202.193.197 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=elijahs.space Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=elijahs.space Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=elijahs.space header.i=@elijahs.space header.b="b2lFybW5"; dkim=pass (2048-bit key) header.d=purelymail.com header.i=@purelymail.com header.b="bXOkKmCq" Authentication-Results: purelymail.com; auth=pass DKIM-Signature: a=rsa-sha256; b=b2lFybW5y01/0cUn2gVbkjfm6KYePL3oZlgH6K+N3GQBubcnAd5XfnIkeq037c4eGkvDXPmyLquyV/5ob3mYwwt+y49Y3MK2manCk5RzjKlcWrQdkyPPV04zXR74y5QXIJ/mmVuymCxmTCeZgIwMCE0QWn4uiRcb1BtKXvKxk4cKfZpCPIxKfQVGJHTPqnZTvT9Vvxs+XuyHZ1hgkxy0JXsB8nZhIegAkHTws2jnVf9lUX4ls/HrGXlhpvzVIaCeKaMq96qTI7i0fgw6b4wYOsaWvyxKWRDwA+Ynf0hGOv+jreHdImShr9JTB+grWSXncXo8FNQj8K4LHa0lw2WMgQ==; s=purelymail2; d=elijahs.space; v=1; bh=nqYjo+c3TExuTII3/IldzrPY/ERqW+m8zP1ABITcHM0=; h=Received:Date:Subject:To:From; DKIM-Signature: a=rsa-sha256; b=bXOkKmCqIFFN+cka0/+WgWKf+Imvhoh08kBrT0Hdddz4gl22lg96SPr8q1wliEjKw/iduxnxHUia+a+EyNv84Od8YvqK7NAT75jS7cFlbIdCT+HKBGGj22KFLSeeo4PG+A1HzEAM4p6PfDvAB1sutgpIn6Fu8rNsEYRs0evYQjF9zjY0shtKAvPDmy4mQaLW+CuX9y4+OWMlhEgek1z38Z06q+QN+pmP3tTMQ/9B1lj4yVXG9qPCgWKIwpPWkZTSkhgYpBWvpzR177yS+8R8s1xNkVGRcLtpfG+klZ3OPG5GMzTxWSKnBtsEnK9WNc7zBLCk/vSUptx4UPfMwTjdUg==; s=purelymail2; d=purelymail.com; v=1; bh=nqYjo+c3TExuTII3/IldzrPY/ERqW+m8zP1ABITcHM0=; h=Feedback-ID:Received:Date:Subject:To:From; Feedback-ID: 26912:4866:null:purelymail X-Pm-Original-To: linux-trace-kernel@vger.kernel.org Received: by smtp.purelymail.com (Purelymail SMTP) with ESMTPSA id 1514646534; (version=TLSv1.3 cipher=TLS_AES_256_GCM_SHA384); Tue, 02 Sep 2025 20:03:20 +0000 (UTC) Message-ID: <4be8fdf0-9cd8-47cd-a37b-b41437e3e63e@elijahs.space> Date: Tue, 2 Sep 2025 13:03:18 -0700 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] tracing: move buffer in trace_seq to end of struct To: Steven Rostedt Cc: Elijah Wright , Masami Hiramatsu , Mathieu Desnoyers , linux-kernel@vger.kernel.org, linux-trace-kernel@vger.kernel.org References: <20250821053917.23301-1-git@elijahs.space> <20250821114355.6ee546b0@gandalf.local.home> <20250821115359.3988b807@gandalf.local.home> <20250902160020.5cd24fce@batman.local.home> Content-Language: en-US From: Elijah In-Reply-To: <20250902160020.5cd24fce@batman.local.home> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit that could work yeah On 9/2/2025 1:00 PM, Steven Rostedt wrote: > struct seq_buf { > char *buffer; > - size_t size; > - size_t len; > + unsigned int size; > + unsigned int len:31; > + unsigned int full:1; > };