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 Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 3A2B5C433EF for ; Sat, 9 Apr 2022 07:38:36 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S238700AbiDIHkk (ORCPT ); Sat, 9 Apr 2022 03:40:40 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:44066 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229530AbiDIHki (ORCPT ); Sat, 9 Apr 2022 03:40:38 -0400 Received: from szxga02-in.huawei.com (szxga02-in.huawei.com [45.249.212.188]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id F2177167C3 for ; Sat, 9 Apr 2022 00:38:30 -0700 (PDT) Received: from canpemm500002.china.huawei.com (unknown [172.30.72.56]) by szxga02-in.huawei.com (SkyGuard) with ESMTP id 4Kb6Pk50hwzgYQm; Sat, 9 Apr 2022 15:36:42 +0800 (CST) Received: from huawei.com (10.175.124.27) by canpemm500002.china.huawei.com (7.192.104.244) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2375.24; Sat, 9 Apr 2022 15:38:28 +0800 From: Miaohe Lin To: CC: , , , , , , , , , , , , , , , , , , , Subject: [PATCH 0/4] A few cleanup and fixup patches for migration Date: Sat, 9 Apr 2022 15:38:42 +0800 Message-ID: <20220409073846.22286-1-linmiaohe@huawei.com> X-Mailer: git-send-email 2.23.0 MIME-Version: 1.0 Content-Transfer-Encoding: 7BIT Content-Type: text/plain; charset=US-ASCII X-Originating-IP: [10.175.124.27] X-ClientProxiedBy: dggems705-chm.china.huawei.com (10.3.19.182) To canpemm500002.china.huawei.com (7.192.104.244) X-CFilter-Loop: Reflected Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hi everyone, This series contains a few patches to remove unneeded lock page and PageMovable check, reduce the rcu lock duration. Also we fix potential pte_unmap on an not mapped pte. More details can be found in the respective changelogs. Thanks! --- v1: rebase [1] on mainline. [1] https://lore.kernel.org/lkml/20220304093409.25829-2-linmiaohe@huawei.com/T/ --- Miaohe Lin (4): mm/migration: reduce the rcu lock duration mm/migration: remove unneeded lock page and PageMovable check mm/migration: return errno when isolate_huge_page failed mm/migration: fix potential pte_unmap on an not mapped pte include/linux/migrate.h | 2 +- include/linux/swapops.h | 4 ++-- mm/filemap.c | 10 +++++----- mm/hugetlb.c | 2 +- mm/migrate.c | 31 +++++++++++++------------------ 5 files changed, 22 insertions(+), 27 deletions(-) -- 2.23.0