[PATCH] mm/zbud: use list_last_entry in zbud_reclaim_page() directly

[Jeff Liu <jeff.liu@oracle.com>]

From: Jie Liu <jeff.liu@oracle.com>

Get rid of the self defined list_tail_entry() helper and
use list_last_entry() in zbud_reclaim_page() directly.

Signed-off-by: Jie Liu <jeff.liu@oracle.com>
---
 mm/zbud.c | 5 +----
 1 file changed, 1 insertion(+), 4 deletions(-)

diff --git a/mm/zbud.c b/mm/zbud.c
index 9451361..8ac1e97 100644
--- a/mm/zbud.c
+++ b/mm/zbud.c
@@ -360,9 +360,6 @@ 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
@@ -411,7 +408,7 @@ 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 */
-- 
1.8.3.2

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