Re: [RFC 4/9] Atomic reclaim: Save irq flags in vmscan.c

Christoph Lameter
2007-08-14T21:56:29Z

On Tue, 14 Aug 2007, Andi Kleen wrote:

> > We already have such a flag in the zone structure
>
> Zone structure is not strictly CPU local so it's broader
> than needed. But it might work.

We could convert this into a per cpu array?

But that still creates lots of overhead each time we take the lru lock!