Re: [patch 1/2] mm: vmscan: fix force-scanning small targets withoutswap

[Michal Hocko]

On Thu 11-08-11 22:31:54, Johannes Weiner wrote:
> Without swap, anonymous pages are not scanned.  As such, they should
> not count when considering force-scanning a small target if there is
> no swap.
> 
> Otherwise, targets are not force-scanned even when their effective
> scan number is zero and the other conditions--kswapd/memcg--apply.
> 
> Signed-off-by: Johannes Weiner <jweiner@xxxxxxxxxx>

We are calculating nr_force_scan even if it is not needed but this
shouldn't hurt.

Reviewed-by: Michal Hocko <mhocko@xxxxxxx>

-- 
Michal Hocko
SUSE Labs
SUSE LINUX s.r.o.
Lihovarska 1060/12
190 00 Praha 9    
Czech Republic
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