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=-5.0 required=3.0 tests=DKIM_INVALID,DKIM_SIGNED, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE, SPF_PASS,URIBL_BLOCKED,USER_AGENT_SANE_1 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 9DFA3C606BF for ; Mon, 8 Jul 2019 14:42:17 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 6A61821537 for ; Mon, 8 Jul 2019 14:42:17 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (2048-bit key) header.d=infradead.org header.i=@infradead.org header.b="SuZJoN+Q" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729282AbfGHOmQ (ORCPT ); Mon, 8 Jul 2019 10:42:16 -0400 Received: from bombadil.infradead.org ([198.137.202.133]:60370 "EHLO bombadil.infradead.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1729254AbfGHOmP (ORCPT ); Mon, 8 Jul 2019 10:42:15 -0400 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=bombadil.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:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Id: List-Help:List-Unsubscribe:List-Subscribe:List-Post:List-Owner:List-Archive; bh=FbVe+96SnHQdB3XrjHSvItUUD9LRS2dN3DEOjB6fZxA=; b=SuZJoN+Qoru93LMevhhWQfOim V2QIOqYKMDTCKvDf7k8xEfvTXFkM6TbWL6Nbu8198IgOJ7nRhrTkjJOQXzI0qZhmE8A0bu+PMYl4M 8qDVIt6fbexi5k9c+Zb2MvIpDiqRWLhvMeP7MmT17s/rDXT8A+XwrI6H3dixLlucPufH6T7wCsQus UfrSqqQazKVAw1K5+ggVCoXjhxdKzRda+y8LsXRTt+X4l9HgAXIIsF/FM4+6d1JjmrboRnmiggS9+ vlcnCwcSjPQBKQ0WLFdq/Dsnk1lRrEIlI/UB46O1KbB0UrMsBIW7PnuD5bzgYmlISbFwZOaxETeVA yZaW6tR/g==; Received: from willy by bombadil.infradead.org with local (Exim 4.92 #3 (Red Hat Linux)) id 1hkUqN-0008FF-1b; Mon, 08 Jul 2019 14:42:15 +0000 Date: Mon, 8 Jul 2019 07:42:14 -0700 From: Matthew Wilcox To: Wei Yang Cc: linux-kernel@vger.kernel.org, akpm@linux-foundation.org, will@kernel.org, peterz@infradead.org Subject: Re: [PATCH] mm: remove redundant assignment of entry Message-ID: <20190708144214.GD32320@bombadil.infradead.org> References: <20190708082740.21111-1-richardw.yang@linux.intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20190708082740.21111-1-richardw.yang@linux.intel.com> User-Agent: Mutt/1.11.4 (2019-03-13) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Mon, Jul 08, 2019 at 04:27:40PM +0800, Wei Yang wrote: > Since ptent will not be changed after previous assignment of entry, it > is not necessary to do the assignment again. > > Signed-off-by: Wei Yang Acked-by: Matthew Wilcox (Oracle)