From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mails.dpdk.org (mails.dpdk.org [217.70.189.124]) by inbox.dpdk.org (Postfix) with ESMTP id A1A5545555 for ; Wed, 3 Jul 2024 07:43:36 +0200 (CEST) Received: from mails.dpdk.org (localhost [127.0.0.1]) by mails.dpdk.org (Postfix) with ESMTP id 6C16C4025E; Wed, 3 Jul 2024 07:43:36 +0200 (CEST) Received: from mail-vs1-f41.google.com (mail-vs1-f41.google.com [209.85.217.41]) by mails.dpdk.org (Postfix) with ESMTP id 594044003C for ; Wed, 3 Jul 2024 07:43:35 +0200 (CEST) Received: by mail-vs1-f41.google.com with SMTP id ada2fe7eead31-48f96098653so1249046137.3 for ; Tue, 02 Jul 2024 22:43:35 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=networkplumber-org.20230601.gappssmtp.com; s=20230601; t=1719985414; x=1720590214; darn=dpdk.org; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:subject:cc:to:from:date:from:to:cc:subject:date :message-id:reply-to; bh=/elAo/QcH+mCdgsNje8KwOkF6aSRufAISCwxObD1ZqI=; b=2GzZOEY2X5+j8JQaQE2h2hL3Sjx4QwXf9snOz6GBTC4mUkPOmpdX1XkuiC2BbbwgjS vEQaWcLbivn4yrmEftR5z18ivfi0nAkh2I2m3oStMvle04DOmPjQKm+haG3xzI8JYlys HTXi14h2aWXZI9YbVEFkFBpbD+GQoY9YlYw6EyTcE63csgFVrPCBLkFIafD5lcOuITsU 6sMQGrmH9cM9XWqMPxrZwPHfW5GNXehofDoMBvOfZr9VbnfI2ZFbZv82yzFSk20+XYzH P9ODJvUCN9aX8poeZsKSoMFM8x8PKjQ1j4RmoZt05htnpientPNhhdFZun3VYodKuW81 K+zQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1719985414; x=1720590214; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:subject:cc:to:from:date:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=/elAo/QcH+mCdgsNje8KwOkF6aSRufAISCwxObD1ZqI=; b=qiu8P8w27K680qFFMIJiIr55uHDQ2ao6Adxn4emqVvN9zo+Uf8zJwF0299upzx3v1q bQRKF7OrFMMHN54QbiGo9DHAycc9+7GpEbPp/Kdgwf3gyvMBQvYgSxCohbigaAHI0VkF 0l/Tce0G76OKqsJ4tsycA+XwSWqFWtYW6c6KNgiMmbUGmXhx8rK6td0tG12G9i6N4pUS FOub56a4J+ujz2m7qr2azGwgjtCxxTmhM4zCoJKLQGR8ctyxvNbqluFJg5gluB6fPqMY 9S0MYxIuW32IOx/lBBW5H3ff15wSvfChYOkWu4/9cPcuiYP2KovEULGu7Bs1VfpFRssF SKcQ== X-Gm-Message-State: AOJu0YzC27sASIMzm2cU/bVgYL43DZItl9CrePoXVTZFvLP+DB3FPsF0 ROwnzb9jnIHg7lqQffQTql79I5A5B1qpsSVcs4YbB0Jz17bUdInj0JottqfinA3kYJntSityeoh vPzo= X-Google-Smtp-Source: AGHT+IHbAfvn1Vhtf9I5lS9ylioy/1l0ePgSfivlHvmQfLXN2utELIXJ+UzpmbNCJl0NBM+IuVu9mg== X-Received: by 2002:a05:6102:1622:b0:48c:44c4:75bb with SMTP id ada2fe7eead31-48faf08f442mr9467337137.21.1719985414488; Tue, 02 Jul 2024 22:43:34 -0700 (PDT) Received: from hermes.local ([84.39.151.145]) by smtp.gmail.com with ESMTPSA id d2e1a72fcca58-7080256afaasm9536442b3a.81.2024.07.02.22.43.33 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 02 Jul 2024 22:43:34 -0700 (PDT) Date: Tue, 2 Jul 2024 22:43:31 -0700 From: Stephen Hemminger To: =?UTF-8?B?5rSq5YWo?= Cc: users@dpdk.org Subject: Re: Issue with Cannot allocate memory when using 32-bit DPDK application Message-ID: <20240702224331.497c34aa@hermes.local> In-Reply-To: <40fa5d47.836d6.1907662f372.Coremail.hongquan@iie.ac.cn> References: <5073ea6b.82662.19072f2bb7d.Coremail.hongquan@iie.ac.cn> <20240702080837.5e925cbb@hermes.local> <40fa5d47.836d6.1907662f372.Coremail.hongquan@iie.ac.cn> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: quoted-printable X-BeenThere: users@dpdk.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: DPDK usage discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: users-bounces@dpdk.org On Wed, 3 Jul 2024 10:18:34 +0800 (GMT+08:00) =E6=B4=AA=E5=85=A8 wrote: > My CPU architecture is x86-64 If you have x86 then there is no good reason to bother with 32 bit. The lack of virtual space is going to limit you probably to 1Gb or less of = huge pages.