On Wed, Apr 14, 2021 at 05:56:53PM +0200, Vlastimil Babka wrote:
> On 4/14/21 5:18 PM, Mel Gorman wrote:
> > On Wed, Apr 14, 2021 at 02:56:45PM +0200, Vlastimil Babka wrote:
> >> So it seems that this intermediate assignment to zone counters (using
> >> atomic_long_set() even) is unnecessary and
On 4/14/21 5:18 PM, Mel Gorman wrote:
> On Wed, Apr 14, 2021 at 02:56:45PM +0200, Vlastimil Babka wrote:
>> So it seems that this intermediate assignment to zone counters (using
>> atomic_long_set() even) is unnecessary and this could mimic sum_vm_events()
>> that
>> just does the summation on a
On Wed, Apr 14, 2021 at 02:56:45PM +0200, Vlastimil Babka wrote:
> On 4/7/21 10:24 PM, Mel Gorman wrote:
> > NUMA statistics are maintained on the zone level for hits, misses, foreign
> > etc but nothing relies on them being perfectly accurate for functional
> > correctness. The counters are used
On 4/7/21 10:24 PM, Mel Gorman wrote:
> NUMA statistics are maintained on the zone level for hits, misses, foreign
> etc but nothing relies on them being perfectly accurate for functional
> correctness. The counters are used by userspace to get a general overview
> of a workloads NUMA behaviour
NUMA statistics are maintained on the zone level for hits, misses, foreign
etc but nothing relies on them being perfectly accurate for functional
correctness. The counters are used by userspace to get a general overview
of a workloads NUMA behaviour but the page allocator incurs a high cost to
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