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=-3.9 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI, SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT 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 ACD4BC433E1 for ; Thu, 9 Jul 2020 16:57:29 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 87D2C2078B for ; Thu, 9 Jul 2020 16:57:29 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=nvidia.com header.i=@nvidia.com header.b="BqvhdRPL" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728265AbgGIQ52 (ORCPT ); Thu, 9 Jul 2020 12:57:28 -0400 Received: from hqnvemgate24.nvidia.com ([216.228.121.143]:15837 "EHLO hqnvemgate24.nvidia.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726339AbgGIQ51 (ORCPT ); Thu, 9 Jul 2020 12:57:27 -0400 Received: from hqpgpgate101.nvidia.com (Not Verified[216.228.121.13]) by hqnvemgate24.nvidia.com (using TLS: TLSv1.2, DES-CBC3-SHA) id ; Thu, 09 Jul 2020 09:55:39 -0700 Received: from hqmail.nvidia.com ([172.20.161.6]) by hqpgpgate101.nvidia.com (PGP Universal service); Thu, 09 Jul 2020 09:57:27 -0700 X-PGP-Universal: processed; by hqpgpgate101.nvidia.com on Thu, 09 Jul 2020 09:57:27 -0700 Received: from HQMAIL101.nvidia.com (172.20.187.10) by HQMAIL101.nvidia.com (172.20.187.10) with Microsoft SMTP Server (TLS) id 15.0.1473.3; Thu, 9 Jul 2020 16:57:20 +0000 Received: from hqnvemgw03.nvidia.com (10.124.88.68) by HQMAIL101.nvidia.com (172.20.187.10) with Microsoft SMTP Server (TLS) id 15.0.1473.3 via Frontend Transport; Thu, 9 Jul 2020 16:57:20 +0000 Received: from rcampbell-dev.nvidia.com (Not Verified[10.110.48.66]) by hqnvemgw03.nvidia.com with Trustwave SEG (v7,5,8,10121) id ; Thu, 09 Jul 2020 09:57:19 -0700 From: Ralph Campbell To: , , , CC: Jerome Glisse , John Hubbard , Christoph Hellwig , Jason Gunthorpe , "Bharata B Rao" , Shuah Khan , Andrew Morton , Ralph Campbell Subject: [PATCH 0/2] mm/migrate: optimize migrate_vma_setup() for holes Date: Thu, 9 Jul 2020 09:57:09 -0700 Message-ID: <20200709165711.26584-1-rcampbell@nvidia.com> X-Mailer: git-send-email 2.20.1 MIME-Version: 1.0 X-NVConfidentiality: public Content-Transfer-Encoding: quoted-printable Content-Type: text/plain DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=nvidia.com; s=n1; t=1594313739; bh=i+kQ+/i3+/govscI85yHcDQ8wFI7urSeZJJ0wPs2+ws=; h=X-PGP-Universal:From:To:CC:Subject:Date:Message-ID:X-Mailer: MIME-Version:X-NVConfidentiality:Content-Transfer-Encoding: Content-Type; b=BqvhdRPL5naYpwzVsljFKYXb/DcKRGo1fUt59K1gl9EBI1TuuieBoGDj+VnHD8C6H IrVgWJPZyZ7qMbME5S7Sbb1tNacmBKLROwefLPrtkTEZNo35+VsFjTRpO98d/j1I2p LFzkCpFEMRvgv4zof2AMRegN8SWER5zdpMkM82hSDqd5p+2FSP658mdTId5xlPOt8p UDGaCmqveH+R96sQT+FO5h7fXZA/5DNhrSjR9UNUpSjzZ7hWQ0a2FQl0z/apPA9P4s Qy/4napfJo04QM7d3OHnj+g1r+xLDFulmmg6nCAb9uVlsLSJl9tACThIztC1cIbLG8 /LVgLBLddXsaQ== Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org A simple optimization for migrate_vma_*() when the source vma is not an anonymous vma and a new test case to exercise it. This is based on linux-mm and is for Andrew Morton's tree. Ralph Campbell (2): mm/migrate: optimize migrate_vma_setup() for holes mm/migrate: add migrate-shared test for migrate_vma_*() mm/migrate.c | 6 ++++- tools/testing/selftests/vm/hmm-tests.c | 35 ++++++++++++++++++++++++++ 2 files changed, 40 insertions(+), 1 deletion(-) --=20 2.20.1