mm: change __remove_from_page_cache()

Now we renamed remove_from_page_cache with delete_from_page_cache. As
consistency of __remove_from_swap_cache and remove_from_swap_cache, we
change internal page cache handling function name, too.

Signed-off-by: Minchan Kim <[e-mail]>
Cc: Christoph Hellwig <[e-mail]>
Acked-by: Hugh Dickins <[e-mail]>
Acked-by: Mel Gorman <[e-mail]>
Reviewed-by: KAMEZAWA Hiroyuki <[e-mail]>
Reviewed-by: Johannes Weiner <[e-mail]>
Reviewed-by: KOSAKI Motohiro <[e-mail]>
Signed-off-by: Andrew Morton <[e-mail]>
Signed-off-by: Linus Torvalds <[e-mail]>

include/linux/pagemap.h

···
 int add_to_page_cache_lru(struct page *page, struct address_space *mapping,
 				pgoff_t index, gfp_t gfp_mask);
 extern void delete_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);
 
 /*

mm/filemap.c

···
  */
 
 /*
- * Remove a page from the page cache and free it. Caller has to make
+ * Delete a page from the page cache and free it. Caller has to make
  * sure the page is locked and that nobody else uses it - or that usage
  * is safe.  The caller must hold the mapping's tree_lock.
  */
-void __remove_from_page_cache(struct page *page)
+void __delete_from_page_cache(struct page *page)
 {
 	struct address_space *mapping = page->mapping;
 
···
 
 	freepage = mapping->a_ops->freepage;
 	spin_lock_irq(&mapping->tree_lock);
-	__remove_from_page_cache(page);
+	__delete_from_page_cache(page);
 	spin_unlock_irq(&mapping->tree_lock);
 	mem_cgroup_uncharge_cache_page(page);
 
···
 		new->index = offset;
 
 		spin_lock_irq(&mapping->tree_lock);
-		__remove_from_page_cache(old);
+		__delete_from_page_cache(old);
 		error = radix_tree_insert(&mapping->page_tree, offset, new);
 		BUG_ON(error);
 		mapping->nrpages++;

mm/memory-failure.c

···
 
 	/*
 	 * Now take care of user space mappings.
-	 * Abort on fail: __remove_from_page_cache() assumes unmapped page.
+	 * Abort on fail: __delete_from_page_cache() assumes unmapped page.
 	 */
 	if (hwpoison_user_mappings(p, pfn, trapno) != SWAP_SUCCESS) {
 		printk(KERN_ERR "MCE %#lx: cannot unmap page, give up\n", pfn);

mm/truncate.c

···
 
 	clear_page_mlock(page);
 	BUG_ON(page_has_private(page));
-	__remove_from_page_cache(page);
+	__delete_from_page_cache(page);
 	spin_unlock_irq(&mapping->tree_lock);
 	mem_cgroup_uncharge_cache_page(page);
 

mm/vmscan.c

···
 
 		freepage = mapping->a_ops->freepage;
 
-		__remove_from_page_cache(page);
+		__delete_from_page_cache(page);
 		spin_unlock_irq(&mapping->tree_lock);
 		mem_cgroup_uncharge_cache_page(page);