mm/slab.c: use list_for_each_entry in cache_flusharray

Simplify the code with list_for_each_entry(). Signed-off-by: Geliang Tang <[email protected]> Acked-by: Christoph Lameter <[email protected]> Cc: Pekka Enberg <[email protected]> Cc: David Rientjes <[email protected]> Cc: Joonsoo Kim <[email protected]> Signed-off-by: Andrew Morton <[email protected]> Signed-off-by: Linus Torvalds <[email protected]>
josf · Jan 15, 2016 · 73c0219 · 73c0219
1 parent d8ad47d
commit 73c0219
Showing 1 changed file with 2 additions and 7 deletions.
diff --git a/mm/slab.c b/mm/slab.c
@@ -3338,17 +3338,12 @@ static void cache_flusharray(struct kmem_cache *cachep, struct array_cache *ac)
 #if STATS
 	{
 		int i = 0;
-		struct list_head *p;
-
-		p = n->slabs_free.next;
-		while (p != &(n->slabs_free)) {
-			struct page *page;
+		struct page *page;
 
-			page = list_entry(p, struct page, lru);
+		list_for_each_entry(page, &n->slabs_free, lru) {
 			BUG_ON(page->active);
 
 			i++;
-			p = p->next;
 		}
 		STATS_SET_FREEABLE(cachep, i);
 	}