Re: [PATCH 0/5] Prevent kswapd dumping excessive amounts of memoryin response to high-order allocations V3

[Mel Gorman]

Bah, this should have been PATCH 0/6 of course :(

On Thu, Dec 09, 2010 at 11:18:14AM +0000, Mel Gorman wrote:
> There was a minor bug in V2 that led to this release.  I'm hopeful it'll
> stop kswapd going mad on Simon's machine and might also alleviate some of
> the "too much free memory" problem.
> 
> Changelog since V2
>   o Add clarifying comments
>   o Properly check that the zone is balanced for order-0
>   o Treat zone->all_unreclaimable properly
> 
> Changelog since V1
>   o Take classzone into account
>   o Ensure that kswapd always balances at order-09
>   o Reset classzone and order after reading
>   o Require a percentage of a node be balanced for high-order allocations,
>     not just any zone as ZONE_DMA could be balanced when the node in general
>     is a mess
> 
> <SNIP>

-- 
Mel Gorman
Part-time Phd Student                          Linux Technology Center
University of Limerick                         IBM Dublin Software Lab
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