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| author | Miaohe Lin <linmiaohe@huawei.com> | 2022-04-28 23:16:06 -0700 |
|---|---|---|
| committer | akpm <akpm@linux-foundation.org> | 2022-04-28 23:16:06 -0700 |
| commit | 52fb90cc19197f831e5e76e994ae82a29532d89f (patch) | |
| tree | f32ffb26ebc403269c3c6d6ecfb0448e7299ed44 /mm/z3fold.c | |
| parent | 5e36c25b2c1aeee16df21d5e4fef22d7ff2b80cf (diff) | |
| download | linux-stable-52fb90cc19197f831e5e76e994ae82a29532d89f.tar.gz linux-stable-52fb90cc19197f831e5e76e994ae82a29532d89f.tar.bz2 linux-stable-52fb90cc19197f831e5e76e994ae82a29532d89f.zip | |
mm/z3fold: remove redundant list_del_init of zhdr->buddy in z3fold_free
do_compact_page() will do list_del_init(&zhdr->buddy) for us. Remove this
extra one to save some possible cpu cycles.
Link: https://lkml.kernel.org/r/20220308134311.59086-8-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>
Diffstat (limited to 'mm/z3fold.c')
| -rw-r--r-- | mm/z3fold.c | 3 |
1 files changed, 0 insertions, 3 deletions
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); |