Re: [PATCHv2 2/3] zsmalloc: move migration destination zspage inuse check

[Minchan Kim]

On Sat, Jun 24, 2023 at 02:12:15PM +0900, Sergey Senozhatsky wrote:
> Destination zspage fullness check need to be done after
> zs_object_copy() because that's where source and destination
> zspages fullness change.  Checking destination zspage fullness
> before zs_object_copy() may cause migration to loop through
> source zspage sub-pages scanning for allocate objects just to
> find out at the end that the destination zspage is full.
> 
> Signed-off-by: Sergey Senozhatsky <senozhatsky@xxxxxxxxxxxx>
Acked-by: Minchan Kim <minchan@xxxxxxxxxx>