[PATCH 1/2] slub: remove obsolete code path in __slab_free() for per cpu partial

["Alex,Shi" <alex.shi@intel.com>]

If there are still some objects left in slab, the slab page will be put
to per cpu partial list. So remove the obsolete code path.


Signed-off-by: Alex Shi <alex.shi@intel.com>
---
 mm/slub.c |   13 +------------
 1 files changed, 1 insertions(+), 12 deletions(-)

diff --git a/mm/slub.c b/mm/slub.c
index 492beab..bca8eee 100644
--- a/mm/slub.c
+++ b/mm/slub.c
@@ -2526,20 +2526,9 @@ static void __slab_free(struct kmem_cache *s, struct page *page,
 	 */
 	if (was_frozen)
 		stat(s, FREE_FROZEN);
-	else {
-		if (unlikely(!inuse && n->nr_partial > s->min_partial))
+	else if (unlikely(!inuse && n->nr_partial > s->min_partial))
                         goto slab_empty;
 
-		/*
-		 * Objects left in the slab. If it was not on the partial list before
-		 * then add it.
-		 */
-		if (unlikely(!prior)) {
-			remove_full(s, page);
-			add_partial(n, page, 0);
-			stat(s, FREE_ADD_PARTIAL);
-		}
-	}
 	spin_unlock_irqrestore(&n->list_lock, flags);
 	return;
 
-- 
1.7.0



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