From patchwork Sun Jun 17 02:00:23 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Matthew Wilcox X-Patchwork-Id: 10468475 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id 6EA8B600CC for ; Sun, 17 Jun 2018 02:11:31 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 608BA28E25 for ; Sun, 17 Jun 2018 02:11:31 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 5509428E39; Sun, 17 Jun 2018 02:11:31 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-7.8 required=2.0 tests=BAYES_00,DKIM_SIGNED, MAILING_LIST_MULTI, RCVD_IN_DNSWL_HI, T_DKIM_INVALID autolearn=unavailable version=3.3.1 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 1572B28E25 for ; Sun, 17 Jun 2018 02:11:31 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S934415AbeFQCJw (ORCPT ); Sat, 16 Jun 2018 22:09:52 -0400 Received: from bombadil.infradead.org ([198.137.202.133]:59144 "EHLO bombadil.infradead.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S933944AbeFQCBI (ORCPT ); Sat, 16 Jun 2018 22:01:08 -0400 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=bombadil.20170209; h=References:In-Reply-To:Message-Id: Date:Subject:Cc:To:From:Sender:Reply-To:MIME-Version:Content-Type: Content-Transfer-Encoding:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Id: List-Help:List-Unsubscribe:List-Subscribe:List-Post:List-Owner:List-Archive; bh=QGWajXY6YcCVi/fqymIb3c788sAMALnbzKJrf6tBoCc=; b=SgMqnn/8xfz2IiRU7lHnx/TBQ aMfcp0dcLWY+F41KJ9xNXcl1kVHMcfojiyv+6mfWW+nsqMK1cJmfmtywd8rZN6kbXZqOzrTNRgLbn IKdpY99/3Bcwf4wIluHRrERHG/bvPiBcKAH6QinISQUF0FAM0DMybtSx4WvKotbChxSzbiNfq3PTi VFgg4eUMGRdQs3NjKJnoStI5jRB7D3/nrEFx8tFWIwZhyMd2IOTFvjN2UJhGb1b2x0NFwNeGCntMx PeAAkzImw2KNN5zdCmvdMwwSGXv6dibwUL/4qjfWLtHB35ute1Z8LY3HSnUF59S/c3g54vG3B++7W DGGYIMFFA==; Received: from willy by bombadil.infradead.org with local (Exim 4.90_1 #2 (Red Hat Linux)) id 1fUN07-0001N4-BU; Sun, 17 Jun 2018 02:01:07 +0000 From: Matthew Wilcox To: linux-mm@kvack.org, linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org Cc: Matthew Wilcox , Jan Kara , Jeff Layton , Lukas Czerner , Ross Zwisler , Christoph Hellwig , Goldwyn Rodrigues , Nicholas Piggin , Ryusuke Konishi , linux-nilfs@vger.kernel.org, Jaegeuk Kim , Chao Yu , linux-f2fs-devel@lists.sourceforge.net Subject: [PATCH v14 45/74] mm: Convert is_page_cache_freeable to XArray Date: Sat, 16 Jun 2018 19:00:23 -0700 Message-Id: <20180617020052.4759-46-willy@infradead.org> X-Mailer: git-send-email 2.14.3 In-Reply-To: <20180617020052.4759-1-willy@infradead.org> References: <20180617020052.4759-1-willy@infradead.org> Sender: linux-fsdevel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-fsdevel@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP This is just a variable rename and comment change. Signed-off-by: Matthew Wilcox --- mm/vmscan.c | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) diff --git a/mm/vmscan.c b/mm/vmscan.c index 0448b1b366d9..575747728ee6 100644 --- a/mm/vmscan.c +++ b/mm/vmscan.c @@ -572,12 +572,12 @@ static inline int is_page_cache_freeable(struct page *page) { /* * A freeable page cache page is referenced only by the caller - * that isolated the page, the page cache radix tree and - * optional buffer heads at page->private. + * that isolated the page, the page cache and optional buffer + * heads at page->private. */ - int radix_pins = PageTransHuge(page) && PageSwapCache(page) ? + int page_cache_pins = PageTransHuge(page) && PageSwapCache(page) ? HPAGE_PMD_NR : 1; - return page_count(page) - page_has_private(page) == 1 + radix_pins; + return page_count(page) - page_has_private(page) == 1 + page_cache_pins; } static int may_write_to_inode(struct inode *inode, struct scan_control *sc)