From patchwork Thu Jul 15 03:36:46 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Matthew Wilcox X-Patchwork-Id: 12378915 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=-18.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER, INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,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 D3E20C1B08C for ; Thu, 15 Jul 2021 05:15:23 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id AF77361360 for ; Thu, 15 Jul 2021 05:15:23 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S239340AbhGOFSO (ORCPT ); Thu, 15 Jul 2021 01:18:14 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:39416 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S238195AbhGOFSN (ORCPT ); Thu, 15 Jul 2021 01:18:13 -0400 Received: from casper.infradead.org (casper.infradead.org [IPv6:2001:8b0:10b:1236::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 5C2DBC06175F; Wed, 14 Jul 2021 22:15:21 -0700 (PDT) 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=+QMiuiEpJ0BM6oIxbdBSrEZvo8z90xQHIFFLebxeb98=; b=VeoDl4cEmeagzxODdgRGgKDWqc 86K+UdNRdGmOgAGLmj2qeVpromVgHSQptZ20Jj24x0LJzlb83WDLEnewwLIUn3RtWuFlknumPdr2D dVRo2vOHaVoax7IYGTnZAgX4EZ87vROy3IY5dk6QPOYqMEr30WuuXq0O2pQ8aqbXBX4XsipfMwknn YhIDNBI0maKfZbTje0m3LvwCfqxRi6uey1TjTodOdHyaCJRZ94rGktv86h2RgkgB9PscmJVNREN1I k/ySskM4X1fcwPMc3vJqaBm/2RATFVz4xQioYPwHgM+qBrakycDrh8nf7+GP474MzsZU43N8hXpBI zPcpHjjA==; Received: from willy by casper.infradead.org with local (Exim 4.94.2 #2 (Red Hat Linux)) id 1m3tgu-0030Mg-AB; Thu, 15 Jul 2021 05:14:03 +0000 From: "Matthew Wilcox (Oracle)" To: linux-kernel@vger.kernel.org Cc: "Matthew Wilcox (Oracle)" , linux-mm@kvack.org, linux-fsdevel@vger.kernel.org Subject: [PATCH v14 120/138] mm/filemap: Convert page_cache_delete_batch to folios Date: Thu, 15 Jul 2021 04:36:46 +0100 Message-Id: <20210715033704.692967-121-willy@infradead.org> X-Mailer: git-send-email 2.31.1 In-Reply-To: <20210715033704.692967-1-willy@infradead.org> References: <20210715033704.692967-1-willy@infradead.org> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-fsdevel@vger.kernel.org Saves one call to compound_head() and reduces text size by 15 bytes. Signed-off-by: Matthew Wilcox (Oracle) --- mm/filemap.c | 21 +++++++++++---------- 1 file changed, 11 insertions(+), 10 deletions(-) diff --git a/mm/filemap.c b/mm/filemap.c index 18b21d16c9de..8510f67dc749 100644 --- a/mm/filemap.c +++ b/mm/filemap.c @@ -287,15 +287,15 @@ static void page_cache_delete_batch(struct address_space *mapping, XA_STATE(xas, &mapping->i_pages, pvec->pages[0]->index); int total_pages = 0; int i = 0; - struct page *page; + struct folio *folio; mapping_set_update(&xas, mapping); - xas_for_each(&xas, page, ULONG_MAX) { + xas_for_each(&xas, folio, ULONG_MAX) { if (i >= pagevec_count(pvec)) break; /* A swap/dax/shadow entry got inserted? Skip it. */ - if (xa_is_value(page)) + if (xa_is_value(folio)) continue; /* * A page got inserted in our range? Skip it. We have our @@ -304,16 +304,16 @@ static void page_cache_delete_batch(struct address_space *mapping, * means our page has been removed, which shouldn't be * possible because we're holding the PageLock. */ - if (page != pvec->pages[i]) { - VM_BUG_ON_PAGE(page->index > pvec->pages[i]->index, - page); + if (&folio->page != pvec->pages[i]) { + VM_BUG_ON_FOLIO(folio->index > + pvec->pages[i]->index, folio); continue; } - WARN_ON_ONCE(!PageLocked(page)); + WARN_ON_ONCE(!folio_test_locked(folio)); - if (page->index == xas.xa_index) - page->mapping = NULL; + if (folio->index == xas.xa_index) + folio->mapping = NULL; /* Leave page->index set: truncation lookup relies on it */ /* @@ -321,7 +321,8 @@ static void page_cache_delete_batch(struct address_space *mapping, * page or the index is of the last sub-page of this compound * page. */ - if (page->index + compound_nr(page) - 1 == xas.xa_index) + if (folio->index + folio_nr_pages(folio) - 1 == + xas.xa_index) i++; xas_store(&xas, NULL); total_pages++;