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 166CBC433F5 for ; Tue, 8 Feb 2022 07:37:06 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1348391AbiBHHhF (ORCPT ); Tue, 8 Feb 2022 02:37:05 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:33240 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1348375AbiBHHhC (ORCPT ); Tue, 8 Feb 2022 02:37:02 -0500 Received: from mail-pl1-x62c.google.com (mail-pl1-x62c.google.com [IPv6:2607:f8b0:4864:20::62c]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 74E66C03FECA for ; Mon, 7 Feb 2022 23:36:59 -0800 (PST) Received: by mail-pl1-x62c.google.com with SMTP id k17so13205244plk.0 for ; Mon, 07 Feb 2022 23:36:59 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=bytedance-com.20210112.gappssmtp.com; s=20210112; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=ppq4XlgFUv42e60ZLq/R/m9c3uPkEPmuzaFcdHPRBnk=; b=xVoHJj/4zyPvyg7fneG+v1w0Ib0159bkGEZFF8GmxqGz1GIqJQvjHPPWQUUBQVBWSi yR2SPqfsbh97O8Bk0wkaV2DY7IDHGcuTgyVWO/W/8a0okGQfamKHXNVAIF4if1wm6/w5 iiwk1B4JgZBA4eWoYz+PU1VYZ55CZdIYVNH4J5zSrekqulSmRsmD2G0K+Pf8fVKb53hx t4ihL4kylEoaMDcmJaTJcAiXjkdVmkC43SCUedvI61iLAerc6p8houdOghfe1doOVpQa oubwmMrsU31yjFg4iMICpMtw3IcU5yLSUYRvgyulqzAWcjvp0pMZyUz3r23mxXP1tv2z smFQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=ppq4XlgFUv42e60ZLq/R/m9c3uPkEPmuzaFcdHPRBnk=; b=SxPdFYuARS+Y/u+Ff++Hpl6LNeRD4WJ6BY8pC4jNohcXVwQ/GXl3RUJ0n3csE0/cy8 w0AmI//Bi480yAoPlZFJOUIkAaYo+AsNqFVDlkAwKhDte2I4Rp9XzVI5uR0rRY0E6hHa a2NdElFv5E/3OBFSlenZfHLrb/5UKogIG9fgZZoR9UtAgGV6MtkEwDcablV7Q0nW8UVg hxON+SqNql07ysst8+AKbeyOwWNFnprxpdRSugvt+6K5ecEJlxjO1cTdbMt9SyrWQaRO XubUHnZQ5/UmHv4BHu3RvzFt/Cdp61Nqz189fN4oHAASlYwxjAWBPjJZKkl7z4PsGcA8 phIw== X-Gm-Message-State: AOAM533ssRfA1kyrIWo+wITw3HSewLVBVI85ZftLK1ACtp80TQ5y8x1S 37THrmuHxSgaZ8PbcH83165goQ== X-Google-Smtp-Source: ABdhPJzNE1tP0FCmJnNbT+MwdBxWiom5QGlNn45IpoyK3Oqddhm8dX950DKcNeuV59Q8o0qQlea8fA== X-Received: by 2002:a17:902:ab06:: with SMTP id ik6mr3065211plb.162.1644305818957; Mon, 07 Feb 2022 23:36:58 -0800 (PST) Received: from FVFYT0MHHV2J.tiktokcdn.com ([139.177.225.225]) by smtp.gmail.com with ESMTPSA id gx10sm1621017pjb.7.2022.02.07.23.36.51 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 07 Feb 2022 23:36:58 -0800 (PST) From: Muchun Song To: akpm@linux-foundation.org, zi.yan@cs.rutgers.edu, kirill.shutemov@linux.intel.com, rientjes@google.com, lars.persson@axis.com, mike.kravetz@oracle.com, ziy@nvidia.com Cc: linux-mm@kvack.org, linux-kernel@vger.kernel.org, duanxiongchun@bytedance.com, fam.zheng@bytedance.com, Muchun Song Subject: [PATCH v4 5/5] mm: replace multiple dcache flush with flush_dcache_folio() Date: Tue, 8 Feb 2022 15:36:17 +0800 Message-Id: <20220208073617.70342-6-songmuchun@bytedance.com> X-Mailer: git-send-email 2.32.0 (Apple Git-132) In-Reply-To: <20220208073617.70342-1-songmuchun@bytedance.com> References: <20220208073617.70342-1-songmuchun@bytedance.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Simplify the code by using flush_dcache_folio(). Signed-off-by: Muchun Song --- mm/migrate.c | 8 ++------ 1 file changed, 2 insertions(+), 6 deletions(-) diff --git a/mm/migrate.c b/mm/migrate.c index c418e8d92b9c..daf2b3508670 100644 --- a/mm/migrate.c +++ b/mm/migrate.c @@ -933,12 +933,8 @@ static int move_to_new_page(struct page *newpage, struct page *page, if (!PageMappingFlags(page)) page->mapping = NULL; - if (likely(!is_zone_device_page(newpage))) { - int i, nr = compound_nr(newpage); - - for (i = 0; i < nr; i++) - flush_dcache_page(newpage + i); - } + if (likely(!is_zone_device_page(newpage))) + flush_dcache_folio(page_folio(newpage)); } out: return rc; -- 2.11.0