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Re: LRU Acive Pages

Bithika Khargharia wrote:
> Hi All,
> 
> This may be an over-simplification.
> 
>  If the total number of active pages (for all zones) is X at any instant of
> time, does it mean that memory activity at that instant <= (X * pg_size)
> kBytes?
> 
> I know that the zone active lists only keep track of user-level active
> pages. So does (X * pg_size) kBytes indicate instantaneous user-level memory
> usage? Is there any other way of getting the instantaneous system total
> memory usage?

Are you asking for Working Set Size (WSS)?

AFAIK, this information is not exposed to userspace.

> Thanks
> Bithika
> 


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