Re: [PATCH v2 3/4] mm, swap: return early from swap_extend_table_try_free() on first non-zero entry

[Kairui Song]

On Thu, Aug 20, 2026 at 07:55:04PM +0800, Kemeng Shi wrote:
> Return immediately when the first non-zero swap count is found as
> any non-zero swap count prevents freeing extend_table and further
> iteration is pointless.
> 
> Signed-off-by: Kemeng Shi <shikemeng@xxxxxxxxxxxxxxx>
> Reviewed-by: Youngjun Park <youngjun.park@xxxxxxx>
> ---
>  mm/swapfile.c | 9 +++------
>  1 file changed, 3 insertions(+), 6 deletions(-)

Looks good, nice optimization.

Acked-by: Kairui Song <kasong@xxxxxxxxxxx>