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=-6.6 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, 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 00840C55ABD for ; Fri, 13 Nov 2020 20:54:12 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 9CDAB2224D for ; Fri, 13 Nov 2020 20:54:11 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="ms/PIi/Y" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726570AbgKMUyK (ORCPT ); Fri, 13 Nov 2020 15:54:10 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:35240 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726545AbgKMUyK (ORCPT ); Fri, 13 Nov 2020 15:54:10 -0500 Received: from mail-pg1-x542.google.com (mail-pg1-x542.google.com [IPv6:2607:f8b0:4864:20::542]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id EEDCFC0613D1 for ; Fri, 13 Nov 2020 12:54:09 -0800 (PST) Received: by mail-pg1-x542.google.com with SMTP id 34so4796432pgp.10 for ; Fri, 13 Nov 2020 12:54:09 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:date:message-id:mime-version :content-transfer-encoding; bh=Bk8vHF0tT8ztZ+U57073Ow5h2docyDMHtlyObudynDc=; b=ms/PIi/YnevYmcaWqTNDmJjkEPhUzUbCxQhpNU0UZI6cLSWomkqgY4xGptZN2YQNeb r5BCyKkFILhtli0Jy3XxXaV/vBRgm1IIVtWNWmdmfI0DWJlTZ/1v5MN/vCIF+3zQnKm2 zOylaiLD+l/RVHOXqOpcDVYDHa76sL1mFxkAchXKiI+zygSitgwzpBK/gUKRjJjXyM0G 3/nekSXSHvcOyniVS9yEQhJP0NRmiC4K/ZrpsfMu33imRMVzf69QEFVHxZouv5QSPz/4 SediNe/hxUGddOMxAabMhJixJM+nLyyw6lftcmGGIBZJzXNaxXbXxZ99+29rQVuMw+IM 9pGg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:mime-version :content-transfer-encoding; bh=Bk8vHF0tT8ztZ+U57073Ow5h2docyDMHtlyObudynDc=; b=XuQlEZ7CHoKtEdYAaccjHWuXgKHHfISaVxn3s8Yc6Gw1cc4DdcT91IgiXgmrTELC2N bbNRmj9jWxDQ+NcVcHzgM0pQHWJkBDSWzAM0EHOwuePzk966f39vdVDu2J78dJ7CXC/0 vxgfignTb80JaddU50KogfsylyKr+0rlTF1kA2q2OaBNcElHZkPa6OSvrktBW2j4TQAg AIcnJU8okNgdNtReTJ+oXLPwUuQglsU5F/WYkmvSr2C0BCF2VeUSDejvYM/s5iIcuSow ZR/V2ac3ZZ1aR6TTI/AmcXRZ7tCe4R3XcADlt7iK6dYwLi8czcUryDZCrgaIi1+BvbvB Gm1A== X-Gm-Message-State: AOAM531gnDASztjWsT1/gRtY5k5lMics858f4M23yFH3XuFs+uz65Y68 jc7pa2zOor890qfJNGp1WIs= X-Google-Smtp-Source: ABdhPJxjDpTvty9BLWzy2k7Q1G1p5iejS5jG9y46a7aWnobReEgunlHIg4HvvL3R476cmTfOuHjriw== X-Received: by 2002:a17:90a:a609:: with SMTP id c9mr4991124pjq.124.1605300849528; Fri, 13 Nov 2020 12:54:09 -0800 (PST) Received: from localhost.localdomain (c-107-3-138-210.hsd1.ca.comcast.net. [107.3.138.210]) by smtp.gmail.com with ESMTPSA id a18sm3780234pfa.151.2020.11.13.12.54.07 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 13 Nov 2020 12:54:08 -0800 (PST) From: Yang Shi To: mhocko@suse.com, ziy@nvidia.com, songliubraving@fb.com, mgorman@suse.de, jack@suse.cz, willy@infradead.org, akpm@linux-foundation.org Cc: shy828301@gmail.com, linux-mm@kvack.org, linux-kernel@vger.kernel.org Subject: [v3 PATCH 0/5] mm: misc migrate cleanup and improvement Date: Fri, 13 Nov 2020 12:53:54 -0800 Message-Id: <20201113205359.556831-1-shy828301@gmail.com> X-Mailer: git-send-email 2.26.2 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Some misc migrate code cleanup and improvement. v3: * Incorporated the comments from Willy v2: * Fixed the comments from Zi Yan * Collected Reviewed-by Yang Shi (5): mm: truncate_complete_page is not existed anymore mm: migrate: simplify the logic for handling permanent failure mm: migrate: skip shared exec THP for NUMA balancing mm: migrate: clean up migrate_prep{_local} mm: migrate: return -ENOSYS if THP migration is unsupported include/linux/migrate.h | 4 +-- mm/mempolicy.c | 8 ++--- mm/migrate.c | 158 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++--------------------------------- mm/vmscan.c | 2 +- 4 files changed, 108 insertions(+), 64 deletions(-)