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[209.85.218.41]) by smtp.gmail.com with ESMTPSA id un8-20020a170907cb8800b00a445044287bsm2789777ejc.123.2024.03.02.12.55.27 for (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Sat, 02 Mar 2024 12:55:27 -0800 (PST) Received: by mail-ej1-f41.google.com with SMTP id a640c23a62f3a-a446b5a08f0so355566866b.1 for ; Sat, 02 Mar 2024 12:55:27 -0800 (PST) X-Received: by 2002:a17:906:3445:b0:a44:99ef:8645 with SMTP id d5-20020a170906344500b00a4499ef8645mr4227052ejb.14.1709412926876; Sat, 02 Mar 2024 12:55:26 -0800 (PST) Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 References: <20240302111244.3a1674be@gandalf.local.home> <20240302145958.05aabdd2@rorschach.local.home> <20240302154713.71e29402@rorschach.local.home> In-Reply-To: <20240302154713.71e29402@rorschach.local.home> From: Linus Torvalds Date: Sat, 2 Mar 2024 12:55:10 -0800 X-Gmail-Original-Message-ID: Message-ID: Subject: Re: [GIT PULL] tracing: Prevent trace_marker being bigger than unsigned short To: Steven Rostedt Cc: LKML , Masami Hiramatsu , Mathieu Desnoyers , Sachin Sant Content-Type: text/plain; charset="UTF-8" On Sat, 2 Mar 2024 at 12:47, Steven Rostedt wrote: > > I'm fine with just making it 4K with a comment saying that "4K is the > minimum page size on most archs, and to keep this consistent for crazy > architectures like PowerPC and it's 64K pages, we hard code 4K to keep > all architectures acting the same". 4k is at least a somewhat sane limit, and yes, being hw-independent is a good idea. We have other strings that have that limit for similar reasons (ie PATH_MAX). Linus