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=-9.7 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS, UNPARSEABLE_RELAY,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 D189CC33CB1 for ; Tue, 14 Jan 2020 12:55:12 +0000 (UTC) Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by mail.kernel.org (Postfix) with ESMTP id AD4EB207E0 for ; Tue, 14 Jan 2020 12:55:12 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org AD4EB207E0 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=linux.alibaba.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=owner-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix) id 4B7008E0006; Tue, 14 Jan 2020 07:55:12 -0500 (EST) Received: by kanga.kvack.org (Postfix, from userid 40) id 469328E0003; Tue, 14 Jan 2020 07:55:12 -0500 (EST) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 3A4D98E0006; Tue, 14 Jan 2020 07:55:12 -0500 (EST) X-Delivered-To: linux-mm@kvack.org Received: from forelay.hostedemail.com (smtprelay0169.hostedemail.com [216.40.44.169]) by kanga.kvack.org (Postfix) with ESMTP id 24E268E0003 for ; Tue, 14 Jan 2020 07:55:12 -0500 (EST) Received: from smtpin25.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by forelay03.hostedemail.com (Postfix) with SMTP id B277D824999B for ; Tue, 14 Jan 2020 12:55:11 +0000 (UTC) X-FDA: 76376235222.25.park27_4a54f4d46a039 X-HE-Tag: park27_4a54f4d46a039 X-Filterd-Recvd-Size: 2029 Received: from out30-54.freemail.mail.aliyun.com (out30-54.freemail.mail.aliyun.com [115.124.30.54]) by imf15.hostedemail.com (Postfix) with ESMTP for ; Tue, 14 Jan 2020 12:55:10 +0000 (UTC) X-Alimail-AntiSpam:AC=PASS;BC=-1|-1;BR=01201311R141e4;CH=green;DM=||false|;DS=||;FP=0|-1|-1|-1|0|-1|-1|-1;HT=e01f04455;MF=alex.shi@linux.alibaba.com;NM=1;PH=DS;RN=4;SR=0;TI=SMTPD_---0TnjKHlv_1579006506; Received: from localhost(mailfrom:alex.shi@linux.alibaba.com fp:SMTPD_---0TnjKHlv_1579006506) by smtp.aliyun-inc.com(127.0.0.1); Tue, 14 Jan 2020 20:55:06 +0800 From: Alex Shi To: Cc: Alex Shi , Andrew Morton , linux-mm@kvack.org , linux-kernel@vger.kernel.org Subject: [PATCH] mm/vmscan: remove prefetch_prev_lru_page Date: Tue, 14 Jan 2020 20:55:00 +0800 Message-Id: <1579006500-127143-1-git-send-email-alex.shi@linux.alibaba.com> X-Mailer: git-send-email 1.8.3.1 X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: This macro are never used in git history. So better to remove. Signed-off-by: Alex Shi Cc: Andrew Morton Cc: linux-mm@kvack.org Cc: linux-kernel@vger.kernel.org --- mm/vmscan.c | 14 -------------- 1 file changed, 14 deletions(-) diff --git a/mm/vmscan.c b/mm/vmscan.c index 4e699ed3501e..033e7145061b 100644 --- a/mm/vmscan.c +++ b/mm/vmscan.c @@ -146,20 +146,6 @@ struct scan_control { struct reclaim_state reclaim_state; }; -#ifdef ARCH_HAS_PREFETCH -#define prefetch_prev_lru_page(_page, _base, _field) \ - do { \ - if ((_page)->lru.prev != _base) { \ - struct page *prev; \ - \ - prev = lru_to_page(&(_page->lru)); \ - prefetch(&prev->_field); \ - } \ - } while (0) -#else -#define prefetch_prev_lru_page(_page, _base, _field) do { } while (0) -#endif - #ifdef ARCH_HAS_PREFETCHW #define prefetchw_prev_lru_page(_page, _base, _field) \ do { \ -- 1.8.3.1