[LTP] [PATCH v2] swapping01.c: Add sleeps in the loop that dirties the memory

[Petr Vorel]

Hi Wei,

> In our test env this case failed sporadically, we suspect swapout speed not fast enough
> in some situation.

> Detail info please check following comments;
> https://bugzilla.suse.com/show_bug.cgi?id=1217850#c34

Reviewed-by: Petr Vorel <pvorel@suse.cz>

Kind regards,
Petr