mm/zbud.c: use list_last_entry() instead of list_tail_entry()

list_last_entry*( has been defined in list.h, so replace
list_tail_entry() with it.
Signed-off-by: NGeliang Tang <geliangtang@163.com>
Cc: Seth Jennings <sjennings@variantweb.net>
Signed-off-by: NAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>

mm/zbud.c

@@ -463,9 +463,6 @@ void zbud_free(struct zbud_pool *pool, unsigned long handle)
 	spin_unlock(&pool->lock);
 }
 
-#define list_tail_entry(ptr, type, member) \
-	list_entry((ptr)->prev, type, member)
-
 /**
  * zbud_reclaim_page() - evicts allocations from a pool page and frees it
  * @pool:	pool from which a page will attempt to be evicted
@@ -514,7 +511,7 @@ int zbud_reclaim_page(struct zbud_pool *pool, unsigned int retries)
 		return -EINVAL;
 	}
 	for (i = 0; i < retries; i++) {
-		zhdr = list_tail_entry(&pool->lru, struct zbud_header, lru);
+		zhdr = list_last_entry(&pool->lru, struct zbud_header, lru);
 		list_del(&zhdr->lru);
 		list_del(&zhdr->buddy);
 		/* Protect zbud page against free */