Re: [patch 2/3] cpu alloc: Use in slub

[Christoph Lameter]

Eric Dumazet wrote:
>
> Then maybe change MAX_NUMNODES to 0 or 1 to reflect
> node[] is dynamically sized ?

See kmem_cache_init(). It only allocates the used bytes. If you only have a
single nodes then only 1 pointer will be allocated.

#ifdef CONFIG_NUMA
        kmem_size = offsetof(struct kmem_cache, node) +
                                nr_node_ids * sizeof(struct kmem_cache_node *);
#else


That does not work for the statically allocated kmalloc array though.



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