Re: [PATCH 0/2] Disable zone_reclaim_mode by default v2

[John Stoffel]

>>>>> "Andrew" == Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> writes:

Andrew> On Tue,  8 Apr 2014 09:22:58 +0100 Mel Gorman <mgorman@xxxxxxx> wrote:
>> Changelog since v1
>> o topology comment updates
>> 
>> When it was introduced, zone_reclaim_mode made sense as NUMA distances
>> punished and workloads were generally partitioned to fit into a NUMA
>> node. NUMA machines are now common but few of the workloads are NUMA-aware
>> and it's routine to see major performance due to zone_reclaim_mode being
>> enabled but relatively few can identify the problem.


This is unclear here.  "see major performance <what> due" doesn't make
sense to me.  

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