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=-16.5 required=3.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_NONE,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 0AFCBC433B4 for ; Wed, 5 May 2021 16:56:28 +0000 (UTC) Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by mail.kernel.org (Postfix) with ESMTP id A8518613CB for ; Wed, 5 May 2021 16:56:25 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org A8518613CB 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 3CA906B006C; Wed, 5 May 2021 12:56:25 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id 3A2276B006E; Wed, 5 May 2021 12:56:25 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 241B86B0070; Wed, 5 May 2021 12:56:25 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from forelay.hostedemail.com (smtprelay0189.hostedemail.com [216.40.44.189]) by kanga.kvack.org (Postfix) with ESMTP id 0486E6B006C for ; Wed, 5 May 2021 12:56:24 -0400 (EDT) Received: from smtpin21.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by forelay05.hostedemail.com (Postfix) with ESMTP id CB56C181AEF15 for ; Wed, 5 May 2021 16:56:23 +0000 (UTC) X-FDA: 78107780646.21.29676DE Received: from casper.infradead.org (casper.infradead.org [90.155.50.34]) by imf17.hostedemail.com (Postfix) with ESMTP id DC7DE4080F47 for ; Wed, 5 May 2021 16:56:18 +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=JfxTEnUnK/tqXVO6gcU1EqjOhpXt/px5nX2CN/7O05U=; b=p6Iy84ja2OH/RhIoGqe9ou9le7 blE8oGv+aDU53NzK/QlroDrycyBQS1i2/GzSH1bsGSE3QUIv0W8nWMU33gEYLE/kumRYyTFiRpnFh NayMgTr1+w05vorMl3CLaC0zs5cF30GRTF8gA7BmaZ1aHF+cVLOzmgPq8ryeYaLeHX8Omh4M5/PUF j7Z/1J0uOisJme10I87BoBcf+ULni//fwb4uPKOoVrJkjs3yTAwrXT0bp0hKbQYv4VvaoCUKTy9cy NR8imy86MV4ETVYo+ZjBJA55IH0u/pwXMQQ/g1yRwHqPDExuBkfOwg7Ue+bZU64+zmzQZw0p5zduk 5bJaRQ8g==; Received: from willy by casper.infradead.org with local (Exim 4.94 #2 (Red Hat Linux)) id 1leKgw-000bqO-MP; Wed, 05 May 2021 16:50:02 +0000 From: "Matthew Wilcox (Oracle)" To: linux-fsdevel@vger.kernel.org, linux-mm@kvack.org Cc: "Matthew Wilcox (Oracle)" , linux-kernel@vger.kernel.org Subject: [PATCH v9 75/96] mm/lru: Add folio_add_lru Date: Wed, 5 May 2021 16:06:07 +0100 Message-Id: <20210505150628.111735-76-willy@infradead.org> X-Mailer: git-send-email 2.29.2 In-Reply-To: <20210505150628.111735-1-willy@infradead.org> References: <20210505150628.111735-1-willy@infradead.org> MIME-Version: 1.0 Authentication-Results: imf17.hostedemail.com; dkim=pass header.d=infradead.org header.s=casper.20170209 header.b=p6Iy84ja; dmarc=none; spf=none (imf17.hostedemail.com: domain of willy@infradead.org has no SPF policy when checking 90.155.50.34) smtp.mailfrom=willy@infradead.org X-Rspamd-Server: rspam03 X-Stat-Signature: 4ax9a3im43eizibj5ype893hqrpi34zp X-Rspamd-Queue-Id: DC7DE4080F47 Received-SPF: none (infradead.org>: No applicable sender policy available) receiver=imf17; identity=mailfrom; envelope-from=""; helo=casper.infradead.org; client-ip=90.155.50.34 X-HE-DKIM-Result: pass/pass X-HE-Tag: 1620233778-869129 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: Reimplement lru_cache_add() as a wrapper around folio_add_lru(). Saves 159 bytes of kernel text due to removing calls to compound_head(). Signed-off-by: Matthew Wilcox (Oracle) --- include/linux/swap.h | 1 + mm/folio-compat.c | 6 ++++++ mm/swap.c | 22 +++++++++++----------- 3 files changed, 18 insertions(+), 11 deletions(-) diff --git a/include/linux/swap.h b/include/linux/swap.h index 35d3dba422a8..87bfabd69132 100644 --- a/include/linux/swap.h +++ b/include/linux/swap.h @@ -345,6 +345,7 @@ extern unsigned long nr_free_buffer_pages(void); extern void lru_note_cost(struct lruvec *lruvec, bool file, unsigned int nr_pages); extern void lru_note_cost_folio(struct folio *); +extern void folio_add_lru(struct folio *); extern void lru_cache_add(struct page *); void mark_page_accessed(struct page *); void folio_mark_accessed(struct folio *); diff --git a/mm/folio-compat.c b/mm/folio-compat.c index a57a1f53512c..7de3839ad072 100644 --- a/mm/folio-compat.c +++ b/mm/folio-compat.c @@ -79,3 +79,9 @@ bool redirty_page_for_writepage(struct writeback_contro= l *wbc, return folio_redirty_for_writepage(wbc, page_folio(page)); } EXPORT_SYMBOL(redirty_page_for_writepage); + +void lru_cache_add(struct page *page) +{ + folio_add_lru(page_folio(page)); +} +EXPORT_SYMBOL(lru_cache_add); diff --git a/mm/swap.c b/mm/swap.c index cd441cdb82fd..1cc6fb618cb5 100644 --- a/mm/swap.c +++ b/mm/swap.c @@ -450,29 +450,29 @@ void folio_mark_accessed(struct folio *folio) EXPORT_SYMBOL(folio_mark_accessed); =20 /** - * lru_cache_add - add a page to a page list - * @page: the page to be added to the LRU. + * folio_add_lru - Add a folio to an LRU list. + * @folio: The folio to be added to the LRU. * - * Queue the page for addition to the LRU via pagevec. The decision on w= hether + * Queue the folio for addition to the LRU. The decision on whether * to add the page to the [in]active [file|anon] list is deferred until = the - * pagevec is drained. This gives a chance for the caller of lru_cache_a= dd() - * have the page added to the active list using mark_page_accessed(). + * pagevec is drained. This gives a chance for the caller of folio_add_l= ru() + * have the folio added to the active list using folio_mark_accessed(). */ -void lru_cache_add(struct page *page) +void folio_add_lru(struct folio *folio) { struct pagevec *pvec; =20 - VM_BUG_ON_PAGE(PageActive(page) && PageUnevictable(page), page); - VM_BUG_ON_PAGE(PageLRU(page), page); + VM_BUG_ON_FOLIO(folio_active(folio) && folio_unevictable(folio), folio)= ; + VM_BUG_ON_FOLIO(folio_lru(folio), folio); =20 - get_page(page); + folio_get(folio); local_lock(&lru_pvecs.lock); pvec =3D this_cpu_ptr(&lru_pvecs.lru_add); - if (pagevec_add_and_need_flush(pvec, page)) + if (pagevec_add_and_need_flush(pvec, &folio->page)) __pagevec_lru_add(pvec); local_unlock(&lru_pvecs.lock); } -EXPORT_SYMBOL(lru_cache_add); +EXPORT_SYMBOL(folio_add_lru); =20 /** * lru_cache_add_inactive_or_unevictable --=20 2.30.2