diff mbox series

[v2,7/8] mm/z3fold: remove redundant list_del_init of zhdr->buddy in z3fold_free

Message ID 20220308134311.59086-8-linmiaohe@huawei.com (mailing list archive)
State New
Headers show
Series A few cleanup patches for z3fold | expand

Commit Message

Miaohe Lin March 8, 2022, 1:43 p.m. UTC 
The do_compact_page will do list_del_init(&zhdr->buddy) for us. Remove this
extra one to save some possible cpu cycles.

Signed-off-by: Miaohe Lin <linmiaohe@huawei.com>
Reviewed-by: Vitaly Wool <vitaly.wool@konsulko.com>
---
 mm/z3fold.c | 3 ---
 1 file changed, 3 deletions(-)
diff mbox series

Patch

diff --git a/mm/z3fold.c b/mm/z3fold.c
index 18a697f6fe32..867c590df027 100644
--- a/mm/z3fold.c
+++ b/mm/z3fold.c
@@ -1244,9 +1244,6 @@  static void z3fold_free(struct z3fold_pool *pool, unsigned long handle)
 		return;
 	}
 	if (zhdr->cpu < 0 || !cpu_online(zhdr->cpu)) {
-		spin_lock(&pool->lock);
-		list_del_init(&zhdr->buddy);
-		spin_unlock(&pool->lock);
 		zhdr->cpu = -1;
 		kref_get(&zhdr->refcount);
 		clear_bit(PAGE_CLAIMED, &page->private);