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 X-Spam-Level: X-Spam-Status: No, score=-2.2 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS, USER_AGENT_SANE_1 autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id A1157C432C3 for ; Wed, 13 Nov 2019 16:31:43 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 75785212F3 for ; Wed, 13 Nov 2019 16:31:43 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=generalsoftwareinc-com.20150623.gappssmtp.com header.i=@generalsoftwareinc-com.20150623.gappssmtp.com header.b="VQG9GuAh" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728414AbfKMQbl (ORCPT ); Wed, 13 Nov 2019 11:31:41 -0500 Received: from mail-ua1-f51.google.com ([209.85.222.51]:33878 "EHLO mail-ua1-f51.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728404AbfKMQbk (ORCPT ); Wed, 13 Nov 2019 11:31:40 -0500 Received: by mail-ua1-f51.google.com with SMTP id s25so867063uap.1 for ; Wed, 13 Nov 2019 08:31:39 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=generalsoftwareinc-com.20150623.gappssmtp.com; s=20150623; h=date:from:to:cc:subject:message-id:mime-version:content-disposition :user-agent; bh=tqMvp6R7Yw4SmAq29b12cUx08kJZaFb2aktgCaRidVg=; b=VQG9GuAhCkrExq0QANlUbr2B7WTTZ7334zQJyl+Wsbbq14nNkc9fkY4Y+tWBCLO2G2 i3PdOC3wkK81IONAn0hUurXKjI04fcEByfmpOZ6Dxe5/JKB+Ub8YqD3s6msojAKgbs8q ktakkePKYuWZkFopjxa/d4TqB4xT8MoWzgc2QZQrZwkIJ4yzpJz9qlZhbqx4kTfkpyzA eIqWCQDdycQ4m2/hXDYukiLqQZfVWFCJjtO3+CRQqC8SUEX8bQLA9guRVjloWg+bLi0Y G9fbrRy1PHJdxI034dXFg9TdbJom0KIIFxs8k0RnDJWtgdxO9dmwIAoK4BfsZLvUwSGy Nuag== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:date:from:to:cc:subject:message-id:mime-version :content-disposition:user-agent; bh=tqMvp6R7Yw4SmAq29b12cUx08kJZaFb2aktgCaRidVg=; b=K0iC6D/U6bdcKT5/zf3NjJMANrRKDq2Od/HPFaOY7II7WZy7iTylliQopaXeCLc/GJ oyv9sJ+i4yxuSNcFaFmwnbGkDC8texYJfOiMmSUUM6Np0ynUo/Rzv+pV3rlimVdTCfgv K9nC8oP74TmZQy0USPMEY27LnwRoxhETX1wGqd9uuycDWuXl2tkU2On9kJjq4r4uJWb3 myc2dXi795M6pTcuOUqpRwwgdgazTRPkV3sreQvkeMvTOHICEI3Av32M3p8nvXgFDtGd IU95P3q+d7xlvoayUKWSZmL0JmB95D0NWqNoI+WjdFQWkO9MfZD4k3nBNkSqFp3/vMoU x82g== X-Gm-Message-State: APjAAAXb4L0wgmR5a480K2D39LYxuj5BoREaiwgyO4XF2f57A6bLfmbw KLhKAJjgUTn2zA4mkjQNSG3Idis2gdogeg== X-Google-Smtp-Source: APXvYqzw2u4dm/fB/qFWlfB4/plMZGq4mipiSczyOQ19AQjDIj6sE0HXwvqWXTuXReQ3ktMAq6tPDQ== X-Received: by 2002:ab0:d8c:: with SMTP id i12mr2372886uak.57.1573662698326; Wed, 13 Nov 2019 08:31:38 -0800 (PST) Received: from ubuntu1804-desktop ([172.97.41.74]) by smtp.gmail.com with ESMTPSA id j9sm541965vsm.31.2019.11.13.08.31.37 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 13 Nov 2019 08:31:37 -0800 (PST) Date: Wed, 13 Nov 2019 11:31:37 -0500 From: "Frank A. Cancio Bello" To: Steven Rostedt , Ingo Molnar , Jonathan Corbet , linux-doc@vger.kernel.org, linux-kernel@vger.kernel.org Cc: joel@joelfernandes.org, saiprakash.ranjan@codeaurora.org Subject: [RFC 0/2] docs: ftrace: Clarify the RAM impact of buffer_size_kb Message-ID: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline User-Agent: NeoMutt/20171215 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Improves the documentation of buffer_size_kb by clarifying how is calculated the number of allocated pages for the ring buffer. ** Do not apply the second patch **. It's just for illustration purposes. Frank A. Cancio Bello (2): docs: ftrace: Clarify the RAM impact of buffer_size_kb ** do not apply this patch ** Just for illustration purposes Documentation/trace/ftrace.rst | 13 +++++++++++-- kernel/trace/ring_buffer.c | 2 ++ 2 files changed, 13 insertions(+), 2 deletions(-) -- 2.17.1