Since debug slab is processed by free_to_partial_list(), and only debug
slab which has SLAB_STORE_USER flag would care about the full list, we
can remove these unrelated full list manipulations from __slab_free().
Acked-by: Christoph Lameter (Ampere) <cl@xxxxxxxxx>
Reviewed-by: Vlastimil Babka <vbabka@xxxxxxx>
Signed-off-by: Chengming Zhou <zhouchengming@xxxxxxxxxxxxx>
---
mm/slub.c | 4 ----
1 file changed, 4 deletions(-)
diff --git a/mm/slub.c b/mm/slub.c
index fda402b2d649..5c6fbeef05a8 100644
--- a/mm/slub.c
+++ b/mm/slub.c
@@ -4188,7 +4188,6 @@ static void __slab_free(struct kmem_cache *s, struct slab *slab,
* then add it.
*/
if (!kmem_cache_has_cpu_partial(s) && unlikely(!prior)) {
- remove_full(s, n, slab);
add_partial(n, slab, DEACTIVATE_TO_TAIL);
stat(s, FREE_ADD_PARTIAL);
}
@@ -4202,9 +4201,6 @@ static void __slab_free(struct kmem_cache *s, struct slab *slab,
*/
remove_partial(n, slab);
stat(s, FREE_REMOVE_PARTIAL);
- } else {
- /* Slab must be on the full list */
- remove_full(s, n, slab);
}
spin_unlock_irqrestore(&n->list_lock, flags);
--
b4 0.10.1
