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Subject[PATCH v4 5/6] Good bye remove_from_page_cache
Date
Now delete_from_page_cache replaces remove_from_page_cache.
So we remove remove_from_page_cache so fs or something out of
mainline will notice it when compile time and can fix it.

Cc: Christoph Hellwig <hch@infradead.org>
Acked-by: Hugh Dickins <hughd@google.com>
Acked-by: Mel Gorman <mel@csn.ul.ie>
Reviewed-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
Reviewed-by: Johannes Weiner <hannes@cmpxchg.org>
Reviewed-by: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>
Signed-off-by: Minchan Kim <minchan.kim@gmail.com>
---
include/linux/pagemap.h | 1 -
mm/filemap.c | 26 ++++++++++----------------
2 files changed, 10 insertions(+), 17 deletions(-)
diff --git a/include/linux/pagemap.h b/include/linux/pagemap.h
index a943985..631b1b6 100644
--- a/include/linux/pagemap.h
+++ b/include/linux/pagemap.h
@@ -455,7 +455,6 @@ int add_to_page_cache_locked(struct page *page, struct address_space *mapping,
pgoff_t index, gfp_t gfp_mask);
int add_to_page_cache_lru(struct page *page, struct address_space *mapping,
pgoff_t index, gfp_t gfp_mask);
-extern void remove_from_page_cache(struct page *page);
extern void __remove_from_page_cache(struct page *page);
extern void delete_from_page_cache(struct page *page);
int replace_page_cache_page(struct page *old, struct page *new, gfp_t gfp_mask);
diff --git a/mm/filemap.c b/mm/filemap.c
index f056d0c..5f3a389 100644
--- a/mm/filemap.c
+++ b/mm/filemap.c
@@ -148,7 +148,16 @@ void __remove_from_page_cache(struct page *page)
}
}

-void remove_from_page_cache(struct page *page)
+/**
+ * delete_from_page_cache - delete page from page cache
+ * @page: the page which the kernel is trying to remove from page cache
+ *
+ * This must be called only on pages that have
+ * been verified to be in the page cache and locked.
+ * It will never put the page into the free list,
+ * the caller has a reference on the page.
+ */
+void delete_from_page_cache(struct page *page)
{
struct address_space *mapping = page->mapping;
void (*freepage)(struct page *);
@@ -163,21 +172,6 @@ void remove_from_page_cache(struct page *page)

if (freepage)
freepage(page);
-}
-EXPORT_SYMBOL(remove_from_page_cache);
-
-/**
- * delete_from_page_cache - delete page from page cache
- * @page: the page which the kernel is trying to remove from page cache
- *
- * This must be called only on pages that have
- * been verified to be in the page cache and locked.
- * It will never put the page into the free list,
- * the caller has a reference on the page.
- */
-void delete_from_page_cache(struct page *page)
-{
- remove_from_page_cache(page);
page_cache_release(page);
}
EXPORT_SYMBOL(delete_from_page_cache);
--
1.7.1


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