android/android_kernel_samsung_sm8650
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

mm/z3fold: remove confusing local variable l reassignment

Browse Source 
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
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

1
mm/z3fold.c
View File

@ -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)) {