[PATCH V2 1/2] mm: Replace nr_node_ids for loop with for_each_node in list lru
Raghavendra K T
raghavendra.kt at linux.vnet.ibm.com
Tue Sep 15 12:17:26 AEST 2015
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 <raghavendra.kt at linux.vnet.ibm.com>
Sorry that I had misspelled Vladimir above.
More information about the Linuxppc-dev