linux-kernel - [PATCH 5/8] i915: Use find_lock_page instead of find_lock

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Date:   Wed, 19 Aug 2020 19:48:47 +0100
From:   "Matthew Wilcox (Oracle)" <willy@...radead.org>
To:     linux-mm@...ck.org
Cc:     "Matthew Wilcox (Oracle)" <willy@...radead.org>,
        Andrew Morton <akpm@...ux-foundation.org>,
        Hugh Dickins <hughd@...gle.com>,
        William Kucharski <william.kucharski@...cle.com>,
        Jani Nikula <jani.nikula@...ux.intel.com>,
        Alexey Dobriyan <adobriyan@...il.com>,
        Johannes Weiner <hannes@...xchg.org>,
        Chris Wilson <chris@...is-wilson.co.uk>,
        Matthew Auld <matthew.auld@...el.com>,
        Huang Ying <ying.huang@...el.com>,
        intel-gfx@...ts.freedesktop.org, cgroups@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: [PATCH 5/8] 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().

Signed-off-by: Matthew Wilcox (Oracle) <willy@...radead.org>
---
 drivers/gpu/drm/i915/gem/i915_gem_shmem.c | 4 ++--
 mm/filemap.c                              | 1 -
 2 files changed, 2 insertions(+), 3 deletions(-)

diff --git a/drivers/gpu/drm/i915/gem/i915_gem_shmem.c b/drivers/gpu/drm/i915/gem/i915_gem_shmem.c
index 38113d3c0138..75e8b71c18b9 100644
--- a/drivers/gpu/drm/i915/gem/i915_gem_shmem.c
+++ b/drivers/gpu/drm/i915/gem/i915_gem_shmem.c
@@ -258,8 +258,8 @@ shmem_writeback(struct drm_i915_gem_object *obj)
 	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)) {
diff --git a/mm/filemap.c b/mm/filemap.c
index 1aaea26556cc..36067cf7f8c5 100644
--- a/mm/filemap.c
+++ b/mm/filemap.c
@@ -1628,7 +1628,6 @@ struct page *find_lock_entry(struct address_space *mapping, pgoff_t offset)
 	}
 	return page;
 }
-EXPORT_SYMBOL(find_lock_entry);
 
 /**
  * pagecache_get_page - Find and get a reference to a page.
-- 
2.28.0