On 09/15/2015 07:38 AM, 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: Vladimir]
Signed-off-by: Raghavendra K T <redacted>
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Sorry that I had misspelled Vladimir above.