From patchwork Tue Feb 4 14:25:13 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jan Kara X-Patchwork-Id: 11364723 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 0A8B214B4 for ; Tue, 4 Feb 2020 14:25:37 +0000 (UTC) Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by mail.kernel.org (Postfix) with ESMTP id E321221744 for ; Tue, 4 Feb 2020 14:25:36 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org E321221744 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=suse.cz Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=owner-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix) id A7A4F6B000D; Tue, 4 Feb 2020 09:25:21 -0500 (EST) Delivered-To: linux-mm-outgoing@kvack.org Received: by kanga.kvack.org (Postfix, from userid 40) id A2A6B6B000E; Tue, 4 Feb 2020 09:25:21 -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 8F2686B0010; Tue, 4 Feb 2020 09:25:21 -0500 (EST) X-Original-To: linux-mm@kvack.org X-Delivered-To: linux-mm@kvack.org Received: from forelay.hostedemail.com (smtprelay0045.hostedemail.com [216.40.44.45]) by kanga.kvack.org (Postfix) with ESMTP id 661786B000D for ; Tue, 4 Feb 2020 09:25:21 -0500 (EST) Received: from smtpin08.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by forelay05.hostedemail.com (Postfix) with ESMTP id 077D4181AEF1A for ; Tue, 4 Feb 2020 14:25:21 +0000 (UTC) X-FDA: 76452667242.08.shoes58_2ea7c260b712a X-Spam-Summary: 1,0,0,,d41d8cd98f00b204,jack@suse.cz,:willy@infradead.org:linux-fsdevel@vger.kernel.org::jack@suse.cz,RULES_HIT:30054:30070:30090,0,RBL:195.135.220.15:@suse.cz:.lbl8.mailshell.net-62.2.6.2 64.100.201.201,CacheIP:none,Bayesian:0.5,0.5,0.5,Netcheck:none,DomainCache:0,MSF:not bulk,SPF:fp,MSBL:0,DNSBL:neutral,Custom_rules:0:0:0,LFtime:32,LUA_SUMMARY:none X-HE-Tag: shoes58_2ea7c260b712a X-Filterd-Recvd-Size: 1592 Received: from mx2.suse.de (mx2.suse.de [195.135.220.15]) by imf11.hostedemail.com (Postfix) with ESMTP for ; Tue, 4 Feb 2020 14:25:20 +0000 (UTC) X-Virus-Scanned: by amavisd-new at test-mx.suse.de Received: from relay2.suse.de (unknown [195.135.220.254]) by mx2.suse.de (Postfix) with ESMTP id 67B2DAF32; Tue, 4 Feb 2020 14:25:18 +0000 (UTC) Received: by quack2.suse.cz (Postfix, from userid 1000) id 0A8ED1E0D14; Tue, 4 Feb 2020 15:25:16 +0100 (CET) From: Jan Kara To: Matthew Wilcox Cc: , , Jan Kara Subject: [PATCH 7/8] mm: Use xas_erase() in collapse_file() Date: Tue, 4 Feb 2020 15:25:13 +0100 Message-Id: <20200204142514.15826-8-jack@suse.cz> X-Mailer: git-send-email 2.16.4 In-Reply-To: <20200204142514.15826-1-jack@suse.cz> References: <20200204142514.15826-1-jack@suse.cz> 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: When undoing failed collapse of ordinary pages into a huge page, use xas_erase() to explicitly clear any xarray marks that may have been added to entries. Signed-off-by: Jan Kara --- mm/khugepaged.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/mm/khugepaged.c b/mm/khugepaged.c index b679908743cb..13e061581cd0 100644 --- a/mm/khugepaged.c +++ b/mm/khugepaged.c @@ -1800,7 +1800,7 @@ static void collapse_file(struct mm_struct *mm, break; nr_none--; /* Put holes back where they were */ - xas_store(&xas, NULL); + xas_erase(&xas); continue; }