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=-6.8 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI, SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED autolearn=no 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 9726CC35265 for ; Tue, 13 Oct 2020 23:52:26 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 7746D22227 for ; Tue, 13 Oct 2020 23:52:26 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1602633146; bh=OMPOTaXtALCvYFccvVsAb98Hw0Yh2S7OUhttx197hZU=; h=Date:From:To:Subject:In-Reply-To:Reply-To:List-ID:From; b=Pq0kq/y2SzMCqJ3EsTAOsXpg/4875Ay/JcM5CS5m6KqIilVm5oqHI8IR/zULVgp3Q +o5Ilg5L39kZDf2f6j4Vy1no6s1sNW8KsqHjhHVRs5RdWwWpPUMGMOEtW0nQ88f9Lh OZLtf1yLJQ6uJIDcXxRSXCJoRVIGTxCkRsXYHbbI= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728005AbgJMXw0 (ORCPT ); Tue, 13 Oct 2020 19:52:26 -0400 Received: from mail.kernel.org ([198.145.29.99]:36396 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728392AbgJMXvd (ORCPT ); Tue, 13 Oct 2020 19:51:33 -0400 Received: from localhost.localdomain (c-73-231-172-41.hsd1.ca.comcast.net [73.231.172.41]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id E1ABE21D7B; Tue, 13 Oct 2020 23:51:31 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1602633092; bh=OMPOTaXtALCvYFccvVsAb98Hw0Yh2S7OUhttx197hZU=; h=Date:From:To:Subject:In-Reply-To:From; b=bYgd1Fuu4YVAVHlzxBOnCWOSAt2ZPhK+2o9ABHANnJLm+FEMr8sNW4KS9mlZiHXs+ w/cUPJltB8/ERXM/mZ8gWXBpm/ICPgp5pkm2K5O0oS9d/b/8v7mPP2u6iv/j4uDm2j oDiUuOAGiClhAwIYxYcnHCFx3teT5xpn3X56xwgw= Date: Tue, 13 Oct 2020 16:51:31 -0700 From: Andrew Morton To: adobriyan@gmail.com, akpm@linux-foundation.org, chris@chris-wilson.co.uk, hannes@cmpxchg.org, hughd@google.com, jani.nikula@linux.intel.com, linux-mm@kvack.org, matthew.auld@intel.com, mm-commits@vger.kernel.org, torvalds@linux-foundation.org, william.kucharski@oracle.com, willy@infradead.org, ying.huang@intel.com Subject: [patch 058/181] i915: use find_lock_page instead of find_lock_entry Message-ID: <20201013235131.eBDIIjQ5U%akpm@linux-foundation.org> In-Reply-To: <20201013164658.3bfd96cc224d8923e66a9f4e@linux-foundation.org> User-Agent: s-nail v14.8.16 Precedence: bulk Reply-To: linux-kernel@vger.kernel.org List-ID: X-Mailing-List: mm-commits@vger.kernel.org From: "Matthew Wilcox (Oracle)" Subject: i915: use find_lock_page instead of find_lock_entry i915 does not want to see value entries. Switch it to use find_lock_page() instead, and remove the export of find_lock_entry(). Move find_lock_entry() and find_get_entry() to mm/internal.h to discourage any future use. Link: https://lkml.kernel.org/r/20200910183318.20139-6-willy@infradead.org Signed-off-by: Matthew Wilcox (Oracle) Acked-by: Johannes Weiner Cc: Alexey Dobriyan Cc: Chris Wilson Cc: Huang Ying Cc: Hugh Dickins Cc: Jani Nikula Cc: Matthew Auld Cc: William Kucharski Signed-off-by: Andrew Morton --- drivers/gpu/drm/i915/gem/i915_gem_shmem.c | 4 ++-- include/linux/pagemap.h | 2 -- mm/filemap.c | 1 - mm/internal.h | 3 +++ 4 files changed, 5 insertions(+), 5 deletions(-) --- a/drivers/gpu/drm/i915/gem/i915_gem_shmem.c~i915-use-find_lock_page-instead-of-find_lock_entry +++ a/drivers/gpu/drm/i915/gem/i915_gem_shmem.c @@ -258,8 +258,8 @@ shmem_writeback(struct drm_i915_gem_obje for (i = 0; i < obj->base.size >> PAGE_SHIFT; i++) { struct page *page; - page = find_lock_entry(mapping, i); - if (!page || xa_is_value(page)) + page = find_lock_page(mapping, i); + if (!page) continue; if (!page_mapped(page) && clear_page_dirty_for_io(page)) { --- a/include/linux/pagemap.h~i915-use-find_lock_page-instead-of-find_lock_entry +++ a/include/linux/pagemap.h @@ -385,8 +385,6 @@ static inline struct page *find_subpage( return head + (index & (thp_nr_pages(head) - 1)); } -struct page *find_get_entry(struct address_space *mapping, pgoff_t offset); -struct page *find_lock_entry(struct address_space *mapping, pgoff_t offset); unsigned find_get_entries(struct address_space *mapping, pgoff_t start, unsigned int nr_entries, struct page **entries, pgoff_t *indices); --- a/mm/filemap.c~i915-use-find_lock_page-instead-of-find_lock_entry +++ a/mm/filemap.c @@ -1726,7 +1726,6 @@ repeat: } return page; } -EXPORT_SYMBOL(find_lock_entry); /** * pagecache_get_page - Find and get a reference to a page. --- a/mm/internal.h~i915-use-find_lock_page-instead-of-find_lock_entry +++ a/mm/internal.h @@ -65,6 +65,9 @@ static inline void ra_submit(struct file ra->start, ra->size, ra->async_size); } +struct page *find_get_entry(struct address_space *mapping, pgoff_t index); +struct page *find_lock_entry(struct address_space *mapping, pgoff_t index); + /** * page_evictable - test whether a page is evictable * @page: the page to test _