Re: [PATCH v2 2/4] mm/shmem, swap: avoid redundant Xarray lookup during swapin

[Baolin Wang]

On 2025/6/20 01:55, Kairui Song wrote:
> From: Kairui Song <kasong@xxxxxxxxxxx>
>
> Currently shmem calls xa_get_order to get the swap radix entry order,
> requiring a full tree walk. This can be easily combined with the swap
> entry value checking (shmem_confirm_swap) to avoid the duplicated
> lookup, which should improve the performance.
>
> Signed-off-by: Kairui Song <kasong@xxxxxxxxxxx>
> Reviewed-by: Kemeng Shi <shikemeng@xxxxxxxxxxxxxxx>

LGTM.
Reviewed-by: Baolin Wang <baolin.wang@xxxxxxxxxxxxxxxxx>