Re: [RFC 7/8] Exclude unreclaimable pages from dirty ration calculation

2007-01-18 Thread Christoph Lameter
On Thu, 18 Jan 2007, Nikita Danilov wrote: > I think that simpler solution of this problem is to use only potentially > reclaimable pages (that is, active, inactive, and free pages) to > calculate writeout threshold. This way there is no need to maintain > counters for unreclaimable pages. Below i

Re: [RFC 7/8] Exclude unreclaimable pages from dirty ration calculation

2007-01-18 Thread Nikita Danilov
Christoph Lameter writes: > Consider unreclaimable pages during dirty limit calculation > > Tracking unreclaimable pages helps us to calculate the dirty ratio > the right way. If a large number of unreclaimable pages are allocated > (through the slab or through huge pages) then write throttli