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.
Signed-off-by: Matthew Wilcox (Oracle) <willy@xxxxxxxxxxxxx>
Acked-by: Johannes Weiner <hannes@xxxxxxxxxxx>
---
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(-)
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/include/linux/pagemap.h b/include/linux/pagemap.h
index 12ab56c3a86f..905a64030647 100644
--- a/include/linux/pagemap.h
+++ b/include/linux/pagemap.h
@@ -384,8 +384,6 @@ static inline struct page *find_subpage(struct page *head, pgoff_t index)
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);
diff --git a/mm/filemap.c b/mm/filemap.c
index 78d07a712112..d64f6f76bc0b 100644
--- a/mm/filemap.c
+++ b/mm/filemap.c
@@ -1648,7 +1648,6 @@ 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.
diff --git a/mm/internal.h b/mm/internal.h
index ab4beb7c5cd2..6345b08ce86c 100644
--- a/mm/internal.h
+++ b/mm/internal.h
@@ -60,6 +60,9 @@ static inline void force_page_cache_readahead(struct address_space *mapping,
force_page_cache_ra(&ractl, &file->f_ra, nr_to_read);
}
+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
--
2.28.0
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