From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-pf1-f171.google.com (mail-pf1-f171.google.com [209.85.210.171]) by dpdk.org (Postfix) with ESMTP id 9837F1B1F5 for ; Tue, 23 Oct 2018 10:44:30 +0200 (CEST) Received: by mail-pf1-f171.google.com with SMTP id q1-v6so314245pfh.10 for ; Tue, 23 Oct 2018 01:44:30 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=mime-version:from:date:message-id:subject:to; bh=BfxZ5933X3MVrSG96DbZmdxDPXEru9Tj0QMk1S5YEtU=; b=Ms8vxYnLFTvuCmeP1XRvIYUUKb5tcAJuQumlknfm2NLVyD/ZhEtIcde0O1yDTPu3CL cHRT/dVSiD8wXo+LfdFevDJ6/u8JSSTpkTmZIlO30OQtMwqyTU7CUVmkJ+vDOgmHGjoQ xlSnczLtzMjuiMT65u0Tf6lwcTS9RcEm3byyyAPJDFJWppLRzPOmm2CTTVqcj207kLza wyGKBeXeKNCebxFbVR96FXLCvJ6DxrDhKB5Bsw9UJoh2XCPKO0FIVtU86/tThlt/OVqN Dv+t75SMNWoM7I7SG193VarepQCNtvGqhnNqgZZPHAW5Xaftd3yaQ5V6pwRhM8DkD/yY Rtxg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:from:date:message-id:subject:to; bh=BfxZ5933X3MVrSG96DbZmdxDPXEru9Tj0QMk1S5YEtU=; b=cU8qDFVvCrNbYLHd+kyEoIZfEM0LspzEy7XNKp6KDZbOKZc6YZ9WMI0cco3cfQS562 UQHaFsymidNByoZisftk9ohZvRnDxvihyAMj0GLY6BK6XAw3Zjfg57kXkEDFS+XJRzMF Wh49XkWl+hLkJbgwceZXsd/zGvC9azAcJB8L5tuDI9cO0cf9YcoS+OZTaTc4IZ0WCwcE jfgkPFPI7dPEDIhElpDJAHI0ABluxEyJr6zX/28c7GjSjW/qpWLti4fHLtwKr2rWC/6M VHIihGPyTT5T1veu+yiQTCfthknWQmBLNrCgi1oq27XIskY889GN05+fN4lVbh0xyDjV wMAA== X-Gm-Message-State: ABuFfogrI7PTw0aUCdgThdpSfocx6G1I06KH2yDmv1++u4V8dez1mZN+ /kmHEt58H8FrwEPx/wVVHEFrkepfEF8Du/S2/Gc3lXKT X-Google-Smtp-Source: ACcGV61Mwdo9D8o5S93SBKE+mwV0wR6hMnOyoPWzu0WSrPmgjdcLXkTh3KDruNiUtKQVkAgDZn+SLDDFSLI+LYz/sb4= X-Received: by 2002:a65:528b:: with SMTP id y11-v6mr46174464pgp.269.1540284269380; Tue, 23 Oct 2018 01:44:29 -0700 (PDT) MIME-Version: 1.0 From: Avinash Chaurasia Date: Tue, 23 Oct 2018 14:14:16 +0530 Message-ID: To: users@dpdk.org Content-Type: text/plain; charset="UTF-8" X-Content-Filtered-By: Mailman/MimeDel 2.1.15 Subject: [dpdk-users] Memory allocation in dpdk X-BeenThere: users@dpdk.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: DPDK usage discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 23 Oct 2018 08:44:31 -0000 Hello, I am trying to understand how dpdk allocate memory. I tried digging code to understand memory allocation of DPDK. So far I understood that memory is allocated from a heap that dpdk maintains. However, this heap must be allocated at some place. I failed to traceback any function (called from heap_alloc()) that calls mmap to allocate memory. Please let me know when this heap is created, which function call does that. Thanks Avinash Kumar Chaurasia