Re: [PATCH] mm: inactive-clean list

From: Christoph Lameter
Date: Mon Jul 17 2006 - 23:35:21 EST

On Mon, 17 Jul 2006, Peter Zijlstra wrote:

> This patch implements the inactive_clean list spoken of during the VM summit.
> The LRU tail pages will be unmapped and ready to free, but not freeed.
> This gives reclaim an extra chance.

I thought we wanted to just track the number of unmapped clean pages and
insure that they do not go under a certain limit? That would not require
any locking changes but just a new zoned counter and a check in the dirty
handling path.

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