Re: [patch 12/26] SLUB: Slab defragmentation core

[Christoph Lameter]

On Tue, 26 Jun 2007, Nish Aravamudan wrote:

> >    kmem_cache_defrag takes a node parameter. This can either be -1 if
> >    defragmentation should be performed on all nodes, or a node number.
> >    If a node number was specified then defragmentation is only performed
> >    on a specific node.
> 
> Hrm, isn't -1 usually 'this node' for NUMA systems? Maybe nr_node_ids
> or MAX_NUMNODES should mean 'all nodes'?

-1 means no node specified. What the function does in this case depends
on the function. For "this node" you can use numa_node_id().
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