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=-11.8 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE, SPF_PASS,USER_AGENT_GIT autolearn=ham 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 C366BC4320E for ; Thu, 2 Sep 2021 12:12:27 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 9C6D760F92 for ; Thu, 2 Sep 2021 12:12:27 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1344211AbhIBMNX (ORCPT ); Thu, 2 Sep 2021 08:13:23 -0400 Received: from szxga02-in.huawei.com ([45.249.212.188]:9396 "EHLO szxga02-in.huawei.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S240886AbhIBMNW (ORCPT ); Thu, 2 Sep 2021 08:13:22 -0400 Received: from dggeme703-chm.china.huawei.com (unknown [172.30.72.53]) by szxga02-in.huawei.com (SkyGuard) with ESMTP id 4H0fnz33K4z8vJ8; Thu, 2 Sep 2021 20:08:07 +0800 (CST) Received: from huawei.com (10.175.124.27) by dggeme703-chm.china.huawei.com (10.1.199.99) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.2308.8; Thu, 2 Sep 2021 20:12:22 +0800 From: Miaohe Lin To: CC: , , , , , , , Subject: [PATCH v2 0/5] Cleanups and fixup for page_alloc Date: Thu, 2 Sep 2021 20:12:37 +0800 Message-ID: <20210902121242.41607-1-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 dggeme703-chm.china.huawei.com (10.1.199.99) X-CFilter-Loop: Reflected Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hi all, This series contains cleanups to remove meaningless VM_BUG_ON(), use helpers to simplify the code and remove obsolete comment. Also we avoid allocating highmem pages via alloc_pages_exact[_nid]. More details can be found in the respective changelogs. Thanks! v1->v2: collect Reviewed-by and Acked-by tag preserve valid comments for free_pcppages_bulk send patch "mm/page_alloc.c: avoid accessing uninitialized pcp page migratetype" separately. s/__GFP_COMP/(__GFP_COMP|__GFP_HIGHMEM)/g throughout both alloc_pages_exact() and alloc_pages_exact_nid() Miaohe Lin (5): mm/page_alloc.c: remove meaningless VM_BUG_ON() in pindex_to_order() mm/page_alloc.c: simplify the code by using macro K() mm/page_alloc.c: fix obsolete comment in free_pcppages_bulk() mm/page_alloc.c: use helper function zone_spans_pfn() mm/page_alloc.c: avoid allocating highmem pages via alloc_pages_exact[_nid] mm/page_alloc.c | 34 ++++++++++++---------------------- 1 file changed, 12 insertions(+), 22 deletions(-) -- 2.23.0