Re: [PATCH V2 1/2] mm: Replace nr_node_ids for loop with for_each_node in list lru

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On Tue, Sep 15, 2015 at 07:38:36AM +0530, Raghavendra K T wrote:
> The functions used in the patch are in slowpath, which gets called
> whenever alloc_super is called during mounts.
> 
> Though this should not make difference for the architectures with
> sequential numa node ids, for the powerpc which can potentially have
> sparse node ids (for e.g., 4 node system having numa ids, 0,1,16,17
> is common), this patch saves some unnecessary allocations for
> non existing numa nodes.
> 
> Even without that saving, perhaps patch makes code more readable.
> 
> [ Take memcg_aware check outside for_each loop: Vldimir]
> Signed-off-by: Raghavendra K T <raghavendra.kt@xxxxxxxxxxxxxxxxxx>

Reviewed-by: Vladimir Davydov <vdavydov@xxxxxxxxxxxxx>

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