Re: the new VM

Andrea Arcangeli
2000-09-25T14:50:30Z

On Mon, Sep 25, 2000 at 11:26:48AM -0300, Marcelo Tosatti wrote:
> This thread keeps freeing pages from the inactive clean list when needed
> (when zone->free_pages < zone->pages_low), making them available for
> atomic allocations.

This is flawed. It's the irq that have to shrink the memory itself. It can't
certainly reschedule kreclaimd and wait it to do the work.

Increasing the free_pages_min limit is the _only_ alternative to having
irqs that are able to shrink clean cache (and hopefully that "feature"
will be resurrected soon since it's the only way to go right now).

Andrea