mm/damon/core: implement DAMOS_QUOTA_NODE_MEMCG_USED_BP

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Implement the handling of the new DAMOS quota goal metric for per-memcg
per-node memory usage, namely DAMOS_QUOTA_NODE_MEMCG_USED_BP.  The metric
value is calculated as the sum of active/inactive anon/file pages of the
given cgroup for a given NUMA node.

Link: https://lkml.kernel.org/r/20251017212706.183502-4-sj@kernel.org
Signed-off-by: SeongJae Park <sj@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>

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SeongJae Park 2025-10-17 14:26:55 -07:00 • committed by Andrew Morton

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mm/damon/core.c

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