On 11/23/18 12:45 PM, Mel Gorman wrote:
...
> Fault latencies are slightly reduced while allocation success rates remain
> at zero as this configuration does not make any special effort to allocate
> THP and fio is heavily active at the time and either filling memory or
> keeping pages resident.
The page allocator zone lists are iterated based on the watermarks
of each zone which does not take anti-fragmentation into account. On
x86, node 0 may have multiple zones while other nodes have one zone. A
consequence is that tasks running on node 0 may fragment ZONE_NORMAL even
though ZONE_DMA32
The page allocator zone lists are iterated based on the watermarks
of each zone which does not take anti-fragmentation into account. On
x86, node 0 may have multiple zones while other nodes have one zone. A
consequence is that tasks running on node 0 may fragment ZONE_NORMAL even
though ZONE_DMA32
The page allocator zone lists are iterated based on the watermarks
of each zone which does not take anti-fragmentation into account. On
x86, node 0 may have multiple zones while other nodes have one zone. A
consequence is that tasks running on node 0 may fragment ZONE_NORMAL even
though ZONE_DMA32
4 matches
Mail list logo