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=-9.0 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_PASS,USER_AGENT_GIT autolearn=unavailable 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 DED48C10F03 for ; Fri, 1 Mar 2019 12:16:47 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id A7FC020840 for ; Fri, 1 Mar 2019 12:16:47 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2388001AbfCAMQq (ORCPT ); Fri, 1 Mar 2019 07:16:46 -0500 Received: from relay.sw.ru ([185.231.240.75]:44510 "EHLO relay.sw.ru" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725978AbfCAMQp (ORCPT ); Fri, 1 Mar 2019 07:16:45 -0500 Received: from [172.16.25.12] (helo=i7.sw.ru) by relay.sw.ru with esmtp (Exim 4.91) (envelope-from ) id 1gzh5j-0004ZX-33; Fri, 01 Mar 2019 15:16:39 +0300 From: Andrey Ryabinin To: Andrew Morton Cc: linux-mm@kvack.org, linux-kernel@vger.kernel.org, Andrey Ryabinin , Vlastimil Babka , Mel Gorman , Johannes Weiner , Michal Hocko , Rik van Riel , William Kucharski , John Hubbard Subject: [PATCH] mm-remove-zone_lru_lock-function-access-lru_lock-directly-fix Date: Fri, 1 Mar 2019 15:16:51 +0300 Message-Id: <20190301121651.7741-1-aryabinin@virtuozzo.com> X-Mailer: git-send-email 2.19.2 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 A slightly better version of __split_huge_page(); Signed-off-by: Andrey Ryabinin Cc: Vlastimil Babka Cc: Mel Gorman Cc: Johannes Weiner Cc: Michal Hocko Cc: Rik van Riel Cc: William Kucharski Cc: John Hubbard --- mm/huge_memory.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/mm/huge_memory.c b/mm/huge_memory.c index 4ccac6b32d49..fcf657886b4b 100644 --- a/mm/huge_memory.c +++ b/mm/huge_memory.c @@ -2440,11 +2440,11 @@ static void __split_huge_page(struct page *page, struct list_head *list, pgoff_t end, unsigned long flags) { struct page *head = compound_head(page); - struct zone *zone = page_zone(head); + pg_data_t *pgdat = page_pgdat(head); struct lruvec *lruvec; int i; - lruvec = mem_cgroup_page_lruvec(head, zone->zone_pgdat); + lruvec = mem_cgroup_page_lruvec(head, pgdat); /* complete memcg works before add pages to LRU */ mem_cgroup_split_huge_fixup(head); @@ -2475,7 +2475,7 @@ static void __split_huge_page(struct page *page, struct list_head *list, xa_unlock(&head->mapping->i_pages); } - spin_unlock_irqrestore(&page_pgdat(head)->lru_lock, flags); + spin_unlock_irqrestore(&pgdat->lru_lock, flags); remap_page(head); -- 2.19.2