From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-12.6 required=3.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI, SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 0BD3DC2BC11 for ; Tue, 8 Sep 2020 20:20:08 +0000 (UTC) Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by mail.kernel.org (Postfix) with ESMTP id A173D2166E for ; Tue, 8 Sep 2020 20:20:07 +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="LCqkdg4s" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org A173D2166E 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 437AB6B007B; Tue, 8 Sep 2020 16:20:07 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id 40EB36B007D; Tue, 8 Sep 2020 16:20:07 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 34B516B007E; Tue, 8 Sep 2020 16:20:07 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from forelay.hostedemail.com (smtprelay0066.hostedemail.com [216.40.44.66]) by kanga.kvack.org (Postfix) with ESMTP id 1CA106B007B for ; Tue, 8 Sep 2020 16:20:07 -0400 (EDT) Received: from smtpin02.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by forelay01.hostedemail.com (Postfix) with ESMTP id DE428180AD806 for ; Tue, 8 Sep 2020 20:20:06 +0000 (UTC) X-FDA: 77241010812.02.wine54_260ba4b270d7 Received: from filter.hostedemail.com (10.5.16.251.rfc1918.com [10.5.16.251]) by smtpin02.hostedemail.com (Postfix) with ESMTP id B81FA100B79CC for ; Tue, 8 Sep 2020 20:20:06 +0000 (UTC) X-HE-Tag: wine54_260ba4b270d7 X-Filterd-Recvd-Size: 2467 Received: from casper.infradead.org (casper.infradead.org [90.155.50.34]) by imf13.hostedemail.com (Postfix) with ESMTP for ; Tue, 8 Sep 2020 20:20:06 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=casper.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=jlFGZxPiT84T3IC+JBo5UGv5Y++vp0Xd2e7vofu/WGg=; b=LCqkdg4s9l8BjbSrG1ZU4ZaZPp 6T4I4/8bXRmEBPvVvIQoBg4VZIr5lz6CJeeINyP4tWKGoEyOJ+5LSXR5Uhn27QMml9hLAf5rRyttO cu8A6PtUxWrcHgCPm5JfsRt3Ydy9a4q+bAZ2sZdrxaf08u0+8z/ZrlNMpMfpdbK52zy9vyXlssNRY fIn6IEAGjRWzEZkMs3R/09gEbmrRMH4tYmFB+RWKYDCFVDwjJ5yDhe0Of10qdRbBJAdQOBYIQCcrM uqGUHtUbUiK7YuQ4OYJJUbXm07rwr6vNzA8SNDjs46h49txSdGo24GjJO/+00cuF+I4cnRdElZMTg uVBk8vrQ==; Received: from willy by casper.infradead.org with local (Exim 4.92.3 #3 (Red Hat Linux)) id 1kFjid-0006o4-Ds; Tue, 08 Sep 2020 19:55:55 +0000 From: "Matthew Wilcox (Oracle)" To: linux-mm@kvack.org, Andrew Morton Cc: "Matthew Wilcox (Oracle)" , "Kirill A . Shutemov" , Huang Ying Subject: [PATCH 11/11] mm/vmscan: Allow arbitrary sized pages to be paged out Date: Tue, 8 Sep 2020 20:55:38 +0100 Message-Id: <20200908195539.25896-12-willy@infradead.org> X-Mailer: git-send-email 2.21.3 In-Reply-To: <20200908195539.25896-1-willy@infradead.org> References: <20200908195539.25896-1-willy@infradead.org> MIME-Version: 1.0 X-Rspamd-Queue-Id: B81FA100B79CC X-Spamd-Result: default: False [0.00 / 100.00] X-Rspamd-Server: rspam01 Content-Transfer-Encoding: quoted-printable 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: Remove the assumption that a compound page has HPAGE_PMD_NR pins from the page cache. Signed-off-by: Matthew Wilcox (Oracle) Cc: Huang Ying --- mm/vmscan.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) diff --git a/mm/vmscan.c b/mm/vmscan.c index 99e1796eb833..91b787fff71a 100644 --- a/mm/vmscan.c +++ b/mm/vmscan.c @@ -722,8 +722,7 @@ static inline int is_page_cache_freeable(struct page = *page) * that isolated the page, the page cache and optional buffer * heads at page->private. */ - int page_cache_pins =3D PageTransHuge(page) && PageSwapCache(page) ? - HPAGE_PMD_NR : 1; + int page_cache_pins =3D thp_nr_pages(page); return page_count(page) - page_has_private(page) =3D=3D 1 + page_cache_= pins; } =20 --=20 2.28.0