Commit a3148b5f authored by Miaohe Lin's avatar Miaohe Lin Committed by Andrew Morton
Browse files

mm/z3fold: remove confusing local variable l reassignment 

The local variable l holds the address of unbuddied[i] which won't change
after we take the pool lock.  Remove it to avoid confusion.

Link: https://lkml.kernel.org/r/20220308134311.59086-6-linmiaohe@huawei.com


Signed-off-by: default avatarMiaohe Lin <linmiaohe@huawei.com>
Reviewed-by: default avatarVitaly Wool <vitaly.wool@konsulko.com>
Signed-off-by: default avatarAndrew Morton <akpm@linux-foundation.org>
parent 8ea2f86c

mm/z3fold.c

+0 −1
Original line number Diff line number Diff line
@@ -876,7 +876,6 @@ static inline struct z3fold_header *__z3fold_alloc(struct z3fold_pool *pool, 


		/* Re-check under lock. */

		spin_lock(&pool->lock);

		l = &unbuddied[i];

		if (unlikely(zhdr != list_first_entry(READ_ONCE(l),

						struct z3fold_header, buddy)) ||

		    !z3fold_page_trylock(zhdr)) {