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mm/z3fold: remove confusing local variable l reassignment

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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: Miaohe Lin <linmiaohe@huawei.com>
Reviewed-by: Vitaly Wool <vitaly.wool@konsulko.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
This commit is contained in:
Miaohe Lin
2022-04-28 23:16:05 -07:00
committed by akpm
parent 8ea2f86cea
commit a3148b5fea
1 changed files with 0 additions and 1 deletions
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mm/z3fold.c
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@@ -876,7 +876,6 @@ lookup:
/* Re-check under lock. */ /* Re-check under lock. */
spin_lock(&pool->lock); spin_lock(&pool->lock);
l = &unbuddied[i];
if (unlikely(zhdr != list_first_entry(READ_ONCE(l), if (unlikely(zhdr != list_first_entry(READ_ONCE(l),
struct z3fold_header, buddy)) || struct z3fold_header, buddy)) ||
!z3fold_page_trylock(zhdr)) { !z3fold_page_trylock(zhdr)) {