From patchwork Wed Apr 8 15:01:47 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Matthew Wilcox X-Patchwork-Id: 11480259 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 B0416112C for ; Wed, 8 Apr 2020 15:01:56 +0000 (UTC) Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by mail.kernel.org (Postfix) with ESMTP id 7DB42206C0 for ; Wed, 8 Apr 2020 15:01:56 +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="PWwK5tjq" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 7DB42206C0 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=infradead.org Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=owner-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix) id 9D4488E0018; Wed, 8 Apr 2020 11:01:52 -0400 (EDT) Delivered-To: linux-mm-outgoing@kvack.org Received: by kanga.kvack.org (Postfix, from userid 40) id 90D7E8E0017; Wed, 8 Apr 2020 11:01:52 -0400 (EDT) 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 760398E0016; Wed, 8 Apr 2020 11:01:52 -0400 (EDT) X-Original-To: linux-mm@kvack.org X-Delivered-To: linux-mm@kvack.org Received: from forelay.hostedemail.com (smtprelay0092.hostedemail.com [216.40.44.92]) by kanga.kvack.org (Postfix) with ESMTP id 5D65D8E000D for ; Wed, 8 Apr 2020 11:01:52 -0400 (EDT) Received: from smtpin06.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by forelay04.hostedemail.com (Postfix) with ESMTP id 1891EA8C0 for ; Wed, 8 Apr 2020 15:01:52 +0000 (UTC) X-FDA: 76685002464.06.nerve75_103e49f3e3242 X-Spam-Summary: 2,0,0,ea61df854b3403f6,d41d8cd98f00b204,willy@infradead.org,,RULES_HIT:41:355:379:541:800:960:973:988:989:1260:1311:1314:1345:1359:1437:1515:1534:1539:1567:1711:1714:1730:1747:1777:1792:2393:2559:2562:3138:3139:3140:3141:3142:3865:3870:3874:4321:5007:6261:6653:7576:10004:11026:11473:11658:11914:12043:12297:12438:12555:12895:12986:13069:13161:13229:13311:13357:13894:14181:14384:14394:14721:21080:21451:21627:21990:30054:30062:30070,0,RBL:198.137.202.133:@infradead.org:.lbl8.mailshell.net-62.8.0.100 64.201.201.201,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:23,LUA_SUMMARY:none X-HE-Tag: nerve75_103e49f3e3242 X-Filterd-Recvd-Size: 2327 Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) by imf08.hostedemail.com (Postfix) with ESMTP for ; Wed, 8 Apr 2020 15:01:51 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=bombadil.20170209; h=Content-Transfer-Encoding: MIME-Version:References:In-Reply-To:Message-Id:Date:Subject:Cc:To:From:Sender :Reply-To:Content-Type:Content-ID:Content-Description; bh=cgY1xOEYhaB7DYisA80wEW537FXaWdS+HPW1i0wyAb4=; b=PWwK5tjqk4iZZJL4Xn8IbrRU8v fDZO7XN1zbk0/Iozxvm9q8W2OG115F0a7H0sbx1OY+NCC95WZM8ICaQhHaNzhJB3QEoJRtsstD3mt aGK5meeGNacg3+jk0O1tk7ubJU84tXWK7RPeNXCDBNqjc7MGKJePNBBnm3IG6zXekyEybK/eEbKDX EMwQI2yZRLz0mUc8US5NAIdbE2dAiefJNsmmHtC2UrBtZzp8kZm+s3w+4QGCeUgwYkhRNOY3v2pf8 n+wdCfhmT22835F5QvVeNG1iA8JKJzYyVSx9DUAcdVFiYXt0aWMNfWUA1G4DvnYdN69lhBcibPqC7 9U1/G2RQ==; Received: from willy by bombadil.infradead.org with local (Exim 4.92.3 #3 (Red Hat Linux)) id 1jMCD8-0006bI-7e; Wed, 08 Apr 2020 15:01:50 +0000 From: Matthew Wilcox To: linux-mm@kvack.org Cc: "Matthew Wilcox (Oracle)" , kirill.shutemov@linux.intel.com, pasha.tatashin@soleen.com Subject: [PATCH 4/5] mm: Check for page poison in both page_to_nid implementations Date: Wed, 8 Apr 2020 08:01:47 -0700 Message-Id: <20200408150148.25290-5-willy@infradead.org> X-Mailer: git-send-email 2.21.1 In-Reply-To: <20200408150148.25290-1-willy@infradead.org> References: <20200408150148.25290-1-willy@infradead.org> MIME-Version: 1.0 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: From: "Matthew Wilcox (Oracle)" The earlier patch that added page poison checking in page_to_nid() only modified one implementation; both configuration options should have this check. Signed-off-by: Matthew Wilcox (Oracle) Reviewed-by: Pavel Tatashin Acked-by: Kirill A. Shutemov --- mm/sparse.c | 1 + 1 file changed, 1 insertion(+) diff --git a/mm/sparse.c b/mm/sparse.c index 1aee5a481571..39114451408a 100644 --- a/mm/sparse.c +++ b/mm/sparse.c @@ -46,6 +46,7 @@ static u16 section_to_node_table[NR_MEM_SECTIONS] __cacheline_aligned; int page_to_nid(const struct page *page) { + page_poison_check(page); return section_to_node_table[page_to_section(page)]; } EXPORT_SYMBOL(page_to_nid);