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=-1.1 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS 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 0D2D7C433E0 for ; Tue, 30 Jun 2020 06:39:17 +0000 (UTC) Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by mail.kernel.org (Postfix) with ESMTP id B8D3720759 for ; Tue, 30 Jun 2020 06:39:16 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="RxncY454" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org B8D3720759 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=gmail.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=owner-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix) id 5849F6B0087; Tue, 30 Jun 2020 02:39:16 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id 534CA6B008C; Tue, 30 Jun 2020 02:39:16 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 423DA6B0092; Tue, 30 Jun 2020 02:39:16 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from forelay.hostedemail.com (smtprelay0136.hostedemail.com [216.40.44.136]) by kanga.kvack.org (Postfix) with ESMTP id 027536B0087 for ; Tue, 30 Jun 2020 02:39:15 -0400 (EDT) Received: from smtpin24.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by forelay03.hostedemail.com (Postfix) with ESMTP id 653F2824805A for ; Tue, 30 Jun 2020 06:39:15 +0000 (UTC) X-FDA: 76984926270.24.bear21_340903526e75 Received: from filter.hostedemail.com (10.5.16.251.rfc1918.com [10.5.16.251]) by smtpin24.hostedemail.com (Postfix) with ESMTP id 3C9551A4A0 for ; Tue, 30 Jun 2020 06:39:15 +0000 (UTC) X-HE-Tag: bear21_340903526e75 X-Filterd-Recvd-Size: 2655 Received: from mail-qt1-f180.google.com (mail-qt1-f180.google.com [209.85.160.180]) by imf43.hostedemail.com (Postfix) with ESMTP for ; Tue, 30 Jun 2020 06:39:14 +0000 (UTC) Received: by mail-qt1-f180.google.com with SMTP id v19so14752248qtq.10 for ; Mon, 29 Jun 2020 23:39:14 -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=XvXg9HIaBoZERK8Sv4xaicGcuJ/RbwfVWLLqFV9KOJQ=; b=RxncY454pknQA7pa17obU1EaFwTxjxbStKvVoTCMUpFFKA7z+GnxziYLaOAj+tjgGO gyPY23JEC5sk6BRQ63y9vVV+eWl0Zd7ZbGTjkFSgeFWZWI3ndh0EMiDMfoTIaB1pCby5 Kb1thaWRdeoCFnUoI0G8G4tR5zbjvlKVn7B3j3oTjIX2jpMT/gHUgZfsGCF4aSdRzfsJ bNnTtKUOmQpK34zfMNjXTWBSaoIAdYIpKW104/CIdGBeeXLqEYGpLhs8Ocd2nszd6KwF 3nUqb/Ap1j4/PEC5jYizv90BrnFwbBYfOSpvqSCbbjGBUcqkLoMc+7zesqzjHYjS98OZ orxw== 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=XvXg9HIaBoZERK8Sv4xaicGcuJ/RbwfVWLLqFV9KOJQ=; b=WMTLgaRdUSQhuMBqUqHBEo4M1XA7GoH/UZz8tHHyXeN4Sin0wrf4p7uc05tr5j86PS IMBWovZU7EuNWmdfLZBpzNZimd50gfwEYKdeejN8TtAQbbXvN7DNLDrM4oe8FuJvNZns tRT+of1HmuBz8g3IXQL0V0jUFvgPvCviaQ8XxXbomrNFaSSpGu0ZXQDGzPzUtZ+amP5x BnQVIaxJHVPO9BRzMudwgWEC3WmbcC8t2sx25dIkvn/HB3px4poNmsSY9kpAuwRSC6ei s4clO8XXY8H1Oeh2KtzM+OnDBozstaajyRrGYtAyHnLQ32rdcAydM7fAW8xXqTkLGDnB /FRQ== X-Gm-Message-State: AOAM532iyAGwscWU9Ze1TYhhzBgNn/xWGxjA++8TE5Zp9rUP5Z9dWlya TfYQRmMbDlzTUwa/n5xappFRzRN/XRqq6Rp5h9RNpFrqsfzFig== X-Google-Smtp-Source: ABdhPJzetERVECtr9F4kkTDil22fgRbRVBb/Q+BIG1C/9oUFz0hzIrfDuS1rg7kw9uW9JaRfd2CD2zc93aTK9bDSphU= X-Received: by 2002:ac8:45d1:: with SMTP id e17mr20100470qto.159.1593499154100; Mon, 29 Jun 2020 23:39:14 -0700 (PDT) MIME-Version: 1.0 From: =?UTF-8?B?5a2Z5LiW6b6ZIHN1bnNoaWxvbmc=?= Date: Tue, 30 Jun 2020 14:39:02 +0800 Message-ID: Subject: Is there some method or software that could purposely generate a lot of physical memory fragmentations to do some tests on linux? To: linux-mm@kvack.org Content-Type: text/plain; charset="UTF-8" X-Rspamd-Queue-Id: 3C9551A4A0 X-Spamd-Result: default: False [0.00 / 100.00] X-Rspamd-Server: rspam01 X-Bogosity: Ham, tests=bogofilter, spamicity=0.246634, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: Hi, list Is there some method or software that could purposely generate a lot of physical memory fragmentations to do some tests on Linux? I need to do some tests under such circumstances. Thank you for your attention to this matter.