From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id C735F6453 for ; Tue, 22 Mar 2022 21:42:12 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 79B3BC340EC; Tue, 22 Mar 2022 21:42:12 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linux-foundation.org; s=korg; t=1647985332; bh=ktw58zu8xgeKHCa3X+x2f4+6x3oBLULyuw0PLP0DeCE=; h=Date:To:From:In-Reply-To:Subject:From; b=jpR7VHY/RGLdGpuQJbzxribKOCS9jZvbwYbAe1LtsPLrOIGuCaEjTRy5IkAUcgnzd dJmt2NiUWEPr8FshxzgMM4Fi956HcAhdMfJEeiH+VxAB2/vjH6hzNK8OU/dRp34ApI OdbcUpPBPw6wJRZhC/XiGqYCDmx9h3bSr5MwDROM= Date: Tue, 22 Mar 2022 14:42:11 -0700 To: ziy@nvidia.com,rientjes@google.com,peterx@redhat.com,mike.kravetz@oracle.com,lars.persson@axis.com,kirill.shutemov@linux.intel.com,fam.zheng@bytedance.com,duanxiongchun@bytedance.com,axelrasmussen@google.com,songmuchun@bytedance.com,akpm@linux-foundation.org,patches@lists.linux.dev,linux-mm@kvack.org,mm-commits@vger.kernel.org,torvalds@linux-foundation.org,akpm@linux-foundation.org From: Andrew Morton In-Reply-To: <20220322143803.04a5e59a07e48284f196a2f9@linux-foundation.org> Subject: [patch 072/227] mm: replace multiple dcache flush with flush_dcache_folio() Message-Id: <20220322214212.79B3BC340EC@smtp.kernel.org> Precedence: bulk X-Mailing-List: patches@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: From: Muchun Song Subject: mm: replace multiple dcache flush with flush_dcache_folio() Simplify the code by using flush_dcache_folio(). Link: https://lkml.kernel.org/r/20220210123058.79206-8-songmuchun@bytedance.com Signed-off-by: Muchun Song Reviewed-by: Mike Kravetz Cc: Axel Rasmussen Cc: David Rientjes Cc: Fam Zheng Cc: Kirill A. Shutemov Cc: Lars Persson Cc: Peter Xu Cc: Xiongchun Duan Cc: Zi Yan Signed-off-by: Andrew Morton --- mm/migrate.c | 8 ++------ 1 file changed, 2 insertions(+), 6 deletions(-) --- a/mm/migrate.c~mm-replace-multiple-dcache-flush-with-flush_dcache_folio +++ a/mm/migrate.c @@ -916,12 +916,8 @@ static int move_to_new_page(struct 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; _ 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 D70F7C433FE for ; Tue, 22 Mar 2022 21:42:22 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S236124AbiCVVns (ORCPT ); Tue, 22 Mar 2022 17:43:48 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:50580 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S236157AbiCVVnn (ORCPT ); Tue, 22 Mar 2022 17:43:43 -0400 Received: from dfw.source.kernel.org (dfw.source.kernel.org [IPv6:2604:1380:4641:c500::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 875275F25C for ; Tue, 22 Mar 2022 14:42:13 -0700 (PDT) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by dfw.source.kernel.org (Postfix) with ESMTPS id 263E5610A1 for ; Tue, 22 Mar 2022 21:42:13 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 79B3BC340EC; Tue, 22 Mar 2022 21:42:12 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linux-foundation.org; s=korg; t=1647985332; bh=ktw58zu8xgeKHCa3X+x2f4+6x3oBLULyuw0PLP0DeCE=; h=Date:To:From:In-Reply-To:Subject:From; b=jpR7VHY/RGLdGpuQJbzxribKOCS9jZvbwYbAe1LtsPLrOIGuCaEjTRy5IkAUcgnzd dJmt2NiUWEPr8FshxzgMM4Fi956HcAhdMfJEeiH+VxAB2/vjH6hzNK8OU/dRp34ApI OdbcUpPBPw6wJRZhC/XiGqYCDmx9h3bSr5MwDROM= Date: Tue, 22 Mar 2022 14:42:11 -0700 To: ziy@nvidia.com, rientjes@google.com, peterx@redhat.com, mike.kravetz@oracle.com, lars.persson@axis.com, kirill.shutemov@linux.intel.com, fam.zheng@bytedance.com, duanxiongchun@bytedance.com, axelrasmussen@google.com, songmuchun@bytedance.com, akpm@linux-foundation.org, patches@lists.linux.dev, linux-mm@kvack.org, mm-commits@vger.kernel.org, torvalds@linux-foundation.org, akpm@linux-foundation.org From: Andrew Morton In-Reply-To: <20220322143803.04a5e59a07e48284f196a2f9@linux-foundation.org> Subject: [patch 072/227] mm: replace multiple dcache flush with flush_dcache_folio() Message-Id: <20220322214212.79B3BC340EC@smtp.kernel.org> Precedence: bulk Reply-To: linux-kernel@vger.kernel.org List-ID: X-Mailing-List: mm-commits@vger.kernel.org From: Muchun Song Subject: mm: replace multiple dcache flush with flush_dcache_folio() Simplify the code by using flush_dcache_folio(). Link: https://lkml.kernel.org/r/20220210123058.79206-8-songmuchun@bytedance.com Signed-off-by: Muchun Song Reviewed-by: Mike Kravetz Cc: Axel Rasmussen Cc: David Rientjes Cc: Fam Zheng Cc: Kirill A. Shutemov Cc: Lars Persson Cc: Peter Xu Cc: Xiongchun Duan Cc: Zi Yan Signed-off-by: Andrew Morton --- mm/migrate.c | 8 ++------ 1 file changed, 2 insertions(+), 6 deletions(-) --- a/mm/migrate.c~mm-replace-multiple-dcache-flush-with-flush_dcache_folio +++ a/mm/migrate.c @@ -916,12 +916,8 @@ static int move_to_new_page(struct 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; _