Messages in this thread | | | Date | Wed, 02 Aug 2023 13:24:58 +0200 | From | Peter Zijlstra <> | Subject | [PATCH 0/2] nodemask: Use nr_node_ids |
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Hi,
While working on some NUMA code recently, I stumbled over how nodemask operations are unconditionally using MAX_NUMNODES length, which is typically 1024 for distro configs.
OTOH typical machines only have <=4 nodes, so doing these crazy long bitmap ops is silly.
Therefore do as cpumask does and use nr_node_ids analogous to nr_cpu_ids.
These patches are lightly tested -- as in they seem to boot on a 2 node system.
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