From patchwork Tue Mar 7 14:34:04 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Christoph Hellwig X-Patchwork-Id: 13163807 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 25137C678D5 for ; Tue, 7 Mar 2023 14:38:49 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230240AbjCGOir (ORCPT ); Tue, 7 Mar 2023 09:38:47 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:39246 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230285AbjCGOiX (ORCPT ); Tue, 7 Mar 2023 09:38:23 -0500 Received: from bombadil.infradead.org (bombadil.infradead.org [IPv6:2607:7c80:54:3::133]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 8A340907AD; Tue, 7 Mar 2023 06:34:23 -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=DOdTgLf35ydRPhAUtTqGnhMAFPKhMEWQTwS1vfOj9sA=; b=FiHVIwcsDu+ndeHzk6EWd+nGqo UYlDj93dbp9kRox0m0240+2Y2+7RIaJXnC+SCRr2a1OSd5V40RhN1bHw3Kr06IvqIEC5w2Jy9NUeh F821dVlrNBPtovMrZbKNRp/cwgwH8s+pvTRlZZCjgNlPmX5lEHLNJDBa/AI7PNJwIJ/3sZMOHSrbG v5hCwOUnYfzy7fJwh7fryav1gVZNmhY5Z8Y1XZeSa37bi+2TP9IWJQTVoqyIn5zi8naX8IAv2+GTh kFzEHjrB0ld6bGeMFdvmFQKIZJshKy2xZWXuLIqC5Lryk5z2WRPZ8bVCqVfMEZsXGI6gtE64dYPH2 G44UPoLw==; Received: from [46.183.103.17] (helo=localhost) by bombadil.infradead.org with esmtpsa (Exim 4.94.2 #2 (Red Hat Linux)) id 1pZYOO-000q40-QA; Tue, 07 Mar 2023 14:34:17 +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 1/7] mm: don't look at xarray value entries in split_huge_pages_in_file Date: Tue, 7 Mar 2023 15:34:04 +0100 Message-Id: <20230307143410.28031-2-hch@lst.de> X-Mailer: git-send-email 2.39.1 In-Reply-To: <20230307143410.28031-1-hch@lst.de> References: <20230307143410.28031-1-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-btrfs@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 4fc43859e59a31..62843afeb7946d 100644 --- a/mm/huge_memory.c +++ b/mm/huge_memory.c @@ -3090,11 +3090,10 @@ 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))