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 60806C7EE24 for ; Tue, 6 Jun 2023 17:47:24 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S238812AbjFFRrX (ORCPT ); Tue, 6 Jun 2023 13:47:23 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:48256 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S238691AbjFFRrU (ORCPT ); Tue, 6 Jun 2023 13:47:20 -0400 Received: from casper.infradead.org (casper.infradead.org [IPv6:2001:8b0:10b:1236::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 3741BE47 for ; Tue, 6 Jun 2023 10:47:17 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=casper.20170209; h=In-Reply-To:Content-Type:MIME-Version: References:Message-ID:Subject:Cc:To:From:Date:Sender:Reply-To: Content-Transfer-Encoding:Content-ID:Content-Description; bh=TK/Dcn9Bt8fRxqKsSAoJKIh3aT09jUvUosAc+9LRi8s=; b=pvPoGteATGP9yQcAhaFKtclM0c d/Ozya5iDCMBRvWLVh5Zy6hrbd43iXGYwgkEEi4hEoLiMYwGK39yV7N48lFv03CrOSAoBAWQFmFY9 k4YwOgVWRq4oSz5TgbwgMR03a7RXKwnYIo0Lx5k0ib7ez1pEvEiCdBUy7gStMvGFvTIPFlEP5HOhH HSl36wiKfggqCjoUyfu7YCmm8aFdTLRwU0XPZYJKkTemLR0/e6U97YWtbw0X+K+7DvC4MbZBHG87O EfAZFg2CVYzcSguFWtzKr+/AmHPjI06EnwFkSYmejb4cIzCcw9y54MXTcOQlUxLA2vUANMbMGM+bt eAUylIsw==; Received: from willy by casper.infradead.org with local (Exim 4.94.2 #2 (Red Hat Linux)) id 1q6aln-00DNKY-HM; Tue, 06 Jun 2023 17:46:59 +0000 Date: Tue, 6 Jun 2023 18:46:59 +0100 From: Matthew Wilcox To: Peng Zhang Cc: linux-mm@kvack.org, linux-kernel@vger.kernel.org, akpm@linux-foundation.org, mike.kravetz@oracle.com, muchun.song@linux.dev, sidhartha.kumar@oracle.com, vishal.moola@gmail.com, wangkefeng.wang@huawei.com, sunnanyong@huawei.com, Muchun Song Subject: Re: [PATCH v2 1/3] mm/hugetlb: Use a folio in copy_hugetlb_page_range() Message-ID: References: <20230606062013.2947002-1-zhangpeng362@huawei.com> <20230606062013.2947002-2-zhangpeng362@huawei.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20230606062013.2947002-2-zhangpeng362@huawei.com> Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Tue, Jun 06, 2023 at 02:20:11PM +0800, Peng Zhang wrote: > From: ZhangPeng > > We can replace five implict calls to compound_head() with one by using > pte_folio. The page we get back is always a head page, so we just > convert ptepage to pte_folio. > > Suggested-by: Matthew Wilcox (Oracle) > Signed-off-by: ZhangPeng > Reviewed-by: Muchun Song > Reviewed-by: Sidhartha Kumar Reviewed-by: Matthew Wilcox (Oracle)