From patchwork Wed Jan 18 09:43:21 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Christoph Hellwig X-Patchwork-Id: 13106108 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 35635C004D4 for ; Wed, 18 Jan 2023 10:40:19 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229684AbjARKkO (ORCPT ); Wed, 18 Jan 2023 05:40:14 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:33812 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229750AbjARKjO (ORCPT ); Wed, 18 Jan 2023 05:39:14 -0500 Received: from bombadil.infradead.org (bombadil.infradead.org [IPv6:2607:7c80:54:3::133]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id E88874F85B; Wed, 18 Jan 2023 01:43:41 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=bombadil.20210309; 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=MhCSeZxb0+ckteL2o3EcN0B0EMYZcaQYxCAND8YfTVw=; b=zb1P9ij/tKigVouQ1O/C4uCAS7 +JypLZQNpDNL8SKR+sx/aWG6SqmtWucbKq/npM9f01Nx4vipYaGkmRmfWPM8//WBMOWyul+joXZdf kI5DelXAG5u3Mial8ZsWDnwcWoQEls3QmRsMZpx+Ma9ZXSGvSOElPAlQ+CVHpa0i0ip+rT5GjIbdg S5G36phYR1i2oNyuWdEu+/jo4jmYoCDTehy+LLF2qrMRA/2CXC2tH9oCz02ukaqRRI8A/Yxuj3r11 ZC3nBMs5rlV1N/an3gFPLb/4i4RUC1kPq64ESJTixD6mQn5Lrv1DKGai8eyUnSX8o2BGpovyOd4r7 +F3UHI8g==; Received: from 213-147-167-250.nat.highway.webapn.at ([213.147.167.250] helo=localhost) by bombadil.infradead.org with esmtpsa (Exim 4.94.2 #2 (Red Hat Linux)) id 1pI4yo-0009vw-M1; Wed, 18 Jan 2023 09:43:39 +0000 From: Christoph Hellwig To: Andrew Morton , Matthew Wilcox , Hugh Dickins Cc: linux-afs@lists.infradead.org, linux-btrfs@vger.kernel.org, linux-ext4@vger.kernel.org, cluster-devel@redhat.com, linux-mm@kvack.org, linux-xfs@vger.kernel.org, linux-fsdevel@vger.kernel.org, linux-nilfs@vger.kernel.org Subject: [PATCH 1/9] mm: don't look at xarray value entries in split_huge_pages_in_file Date: Wed, 18 Jan 2023 10:43:21 +0100 Message-Id: <20230118094329.9553-2-hch@lst.de> X-Mailer: git-send-email 2.39.0 In-Reply-To: <20230118094329.9553-1-hch@lst.de> References: <20230118094329.9553-1-hch@lst.de> MIME-Version: 1.0 X-SRS-Rewrite: SMTP reverse-path rewritten from by bombadil.infradead.org. See http://www.infradead.org/rpr.html Precedence: bulk List-ID: X-Mailing-List: linux-xfs@vger.kernel.org split_huge_pages_in_file never wants to do anything with the special value enties. Switch to using filemap_get_folio to not even see them. Signed-off-by: Christoph Hellwig Reviewed-by: Matthew Wilcox (Oracle) --- mm/huge_memory.c | 5 ++--- 1 file changed, 2 insertions(+), 3 deletions(-) diff --git a/mm/huge_memory.c b/mm/huge_memory.c index 1d6977dc6b31ba..a2830019aaa017 100644 --- a/mm/huge_memory.c +++ b/mm/huge_memory.c @@ -3100,11 +3100,10 @@ static int split_huge_pages_in_file(const char *file_path, pgoff_t off_start, mapping = candidate->f_mapping; for (index = off_start; index < off_end; index += nr_pages) { - struct folio *folio = __filemap_get_folio(mapping, index, - FGP_ENTRY, 0); + struct folio *folio = filemap_get_folio(mapping, index); nr_pages = 1; - if (xa_is_value(folio) || !folio) + if (!folio) continue; if (!folio_test_large(folio))