mm: zswap: reuse zswap_invalidate() in zswap_store()

Reuse zswap_invalidate() in zswap_store() check_old path.  Its
zswap_never_enabled() and xa_empty() guards avoid redundant xarray lookups
and deduplicate the per-slot free logic.

Link: https://lore.kernel.org/20260910123544.818146-4-wangkefeng.wang@huawei.com
Signed-off-by: Kefeng Wang <wangkefeng.wang@huawei.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Acked-by: Yosry Ahmed <yosry@kernel.org>
Reviewed-by: Johannes Weiner <hannes@cmpxchg.org>
Cc: Chengming Zhou <chengming.zhou@linux.dev>
Cc: Kairui Song <kasong@tencent.com>
Cc: Nhat Pham <nphamcs@gmail.com>
Cc: Yosry Ahmed <yosryahmed@google.com>

0 files changed, 0 insertions, 0 deletions