From patchwork Sun Jan 19 13:14:08 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Wei Yang X-Patchwork-Id: 11340677 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 7693B13A4 for ; Sun, 19 Jan 2020 13:14:43 +0000 (UTC) Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by mail.kernel.org (Postfix) with ESMTP id 5B41220730 for ; Sun, 19 Jan 2020 13:14:43 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 5B41220730 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=linux.intel.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=owner-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix) id CDCA26B057E; Sun, 19 Jan 2020 08:14:38 -0500 (EST) Delivered-To: linux-mm-outgoing@kvack.org Received: by kanga.kvack.org (Postfix, from userid 40) id C3D2B6B057F; Sun, 19 Jan 2020 08:14:38 -0500 (EST) X-Original-To: int-list-linux-mm@kvack.org X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id B2A776B0580; Sun, 19 Jan 2020 08:14:38 -0500 (EST) X-Original-To: linux-mm@kvack.org X-Delivered-To: linux-mm@kvack.org Received: from forelay.hostedemail.com (smtprelay0060.hostedemail.com [216.40.44.60]) by kanga.kvack.org (Postfix) with ESMTP id 9BED36B057E for ; Sun, 19 Jan 2020 08:14:38 -0500 (EST) Received: from smtpin03.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by forelay03.hostedemail.com (Postfix) with SMTP id 3D6A3824805A for ; Sun, 19 Jan 2020 13:14:38 +0000 (UTC) X-FDA: 76394428236.03.glove46_629b56fad9962 X-Spam-Summary: 1,0,0,,d41d8cd98f00b204,richardw.yang@linux.intel.com,:akpm@linux-foundation.org::linux-kernel@vger.kernel.org:richardw.yang@linux.intel.com,RULES_HIT:30054,0,RBL:192.55.52.120:@linux.intel.com:.lbl8.mailshell.net-62.18.0.100 64.95.201.95,CacheIP:none,Bayesian:0.5,0.5,0.5,Netcheck:none,DomainCache:0,MSF:not bulk,SPF:fn,MSBL:0,DNSBL:neutral,Custom_rules:0:0:0,LFtime:32,LUA_SUMMARY:none X-HE-Tag: glove46_629b56fad9962 X-Filterd-Recvd-Size: 2032 Received: from mga04.intel.com (mga04.intel.com [192.55.52.120]) by imf49.hostedemail.com (Postfix) with ESMTP for ; Sun, 19 Jan 2020 13:14:37 +0000 (UTC) X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from fmsmga007.fm.intel.com ([10.253.24.52]) by fmsmga104.fm.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 19 Jan 2020 05:14:36 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.70,338,1574150400"; d="scan'208";a="220464527" Received: from richard.sh.intel.com (HELO localhost) ([10.239.159.54]) by fmsmga007.fm.intel.com with ESMTP; 19 Jan 2020 05:14:35 -0800 From: Wei Yang To: akpm@linux-foundation.org Cc: linux-mm@kvack.org, linux-kernel@vger.kernel.org, Wei Yang Subject: [PATCH 4/4] mm/page_alloc.c: bad_[reason|flags] is not necessary when PageHWPoison Date: Sun, 19 Jan 2020 21:14:08 +0800 Message-Id: <20200119131408.23247-5-richardw.yang@linux.intel.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20200119131408.23247-1-richardw.yang@linux.intel.com> References: <20200119131408.23247-1-richardw.yang@linux.intel.com> 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: Since function returns directly, bad_[reason|flags] is not used any where. This is a following cleanup for commit e570f56cccd21 ("mm: check_new_page_bad() directly returns in __PG_HWPOISON case") Signed-off-by: Wei Yang Acked-by: David Rientjes --- mm/page_alloc.c | 2 -- 1 file changed, 2 deletions(-) diff --git a/mm/page_alloc.c b/mm/page_alloc.c index 87658a16af07..2b5e2e156dbf 100644 --- a/mm/page_alloc.c +++ b/mm/page_alloc.c @@ -2051,8 +2051,6 @@ static void check_new_page_bad(struct page *page) bad_reason = __check_page(page); if (unlikely(page->flags & __PG_HWPOISON)) { - bad_reason = "HWPoisoned (hardware-corrupted)"; - bad_flags = __PG_HWPOISON; /* Don't complain about hwpoisoned pages */ page_mapcount_reset(page); /* remove PageBuddy */ return;