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=-7.0 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS, UNPARSEABLE_RELAY,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 5AFBAC433E0 for ; Fri, 7 Aug 2020 09:13:33 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 2EC072177B for ; Fri, 7 Aug 2020 09:13:33 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727892AbgHGJNb (ORCPT ); Fri, 7 Aug 2020 05:13:31 -0400 Received: from out30-132.freemail.mail.aliyun.com ([115.124.30.132]:59972 "EHLO out30-132.freemail.mail.aliyun.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727054AbgHGJN3 (ORCPT ); Fri, 7 Aug 2020 05:13:29 -0400 X-Alimail-AntiSpam: AC=PASS;BC=-1|-1;BR=01201311R211e4;CH=green;DM=||false|;DS=||;FP=0|-1|-1|-1|0|-1|-1|-1;HT=e01e01419;MF=richard.weiyang@linux.alibaba.com;NM=1;PH=DS;RN=5;SR=0;TI=SMTPD_---0U5.Rnug_1596791595; Received: from localhost(mailfrom:richard.weiyang@linux.alibaba.com fp:SMTPD_---0U5.Rnug_1596791595) by smtp.aliyun-inc.com(127.0.0.1); Fri, 07 Aug 2020 17:13:15 +0800 From: Wei Yang To: mike.kravetz@oracle.com, akpm@linux-foundation.org Cc: linux-mm@kvack.org, linux-kernel@vger.kernel.org, Wei Yang Subject: [PATCH 00/10] mm/hugetlb: code refine and simplification Date: Fri, 7 Aug 2020 17:12:41 +0800 Message-Id: <20200807091251.12129-1-richard.weiyang@linux.alibaba.com> X-Mailer: git-send-email 2.20.1 (Apple Git-117) MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Following are some cleanup for hugetlb. Simple test with tools/testing/selftests/vm/map_hugetlb pass. Wei Yang (10): mm/hugetlb: not necessary to coalesce regions recursively mm/hugetlb: make sure to get NULL when list is empty mm/hugetlb: use list_splice to merge two list at once mm/hugetlb: count file_region to be added when regions_needed != NULL mm/hugetlb: remove the redundant check on non_swap_entry() mm/hugetlb: remove redundant huge_pte_alloc() in hugetlb_fault() mm/hugetlb: a page from buddy is not on any list mm/hugetlb: return non-isolated page in the loop instead of break and check mm/hugetlb: narrow the hugetlb_lock protection area during preparing huge page mm/hugetlb: not necessary to abuse temporary page to workaround the nasty free_huge_page mm/hugetlb.c | 101 ++++++++++++++++++++++----------------------------- 1 file changed, 44 insertions(+), 57 deletions(-) -- 2.20.1 (Apple Git-117)