Re: [PATCH 0/5] Swap Migration V5: Overview

[Christoph Lameter]

On Mon, 31 Oct 2005, Andrew Morton wrote:

> So I'll queue this up for -mm, but I think we need to see an entire
> hot-remove implementation based on this, and have all the interested
> parties signed up to it before we can start moving the infrastructure into
> mainline.

There are multiple components involved here. This includes user space, 
cpusets and kernel support for various forms of migrating pages.

> Do you think the features which these patches add should be Kconfigurable?

The policy layer stuff is already Kconfigurable via CONFIG_NUMA. 

I think the lower layer in vmscan.c could be always included since its 
currently small and its just a variation on swap. However, if we add the 
rest of the features contained in the hot plug then the code size becomes 
significant and we may want to have a config variable for that.


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