On Wed, Jan 27, 2016 at 07:47:22PM +0300, Vladimir Davydov wrote:

Currently, on shrinker registration we clear SHRINKER_NUMA_AWARE if
there's the only NUMA node present. The comment states that this will
allow us to save some small loop time later. It used to be true when
this code was added (see commit 1d3d4437eae1b ("vmscan: per-node
deferred work")), but since commit 6b4f7799c6a57 ("mm: vmscan: invoke
slab shrinkers from shrink_zone()") it doesn't make any difference.
Anyway, running on non-NUMA machine shouldn't make a shrinker NUMA
unaware, so zap this hunk.

Signed-off-by: Vladimir Davydov <redacted>

Acked-by: Johannes Weiner <hannes@cmpxchg.org>

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