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authorSeongJae Park <[email protected]>2024-04-26 12:52:43 -0700
committerAndrew Morton <[email protected]>2024-05-05 17:53:55 -0700
commitade414bdf6aeb039991cb04bbafb42385960db60 (patch)
treef3e392eaf1c145358d77e71f72961a6900c75533
parent2d8b24654feabc62ed9e132911319f1c48ab0256 (diff)
mm/damon/paddr: implement DAMOS filter type YOUNG
DAMOS filter of type YOUNG is defined, but not yet implemented by any DAMON operations set. Add the implementation on 'paddr', the DAMON operations set for the physical address space. Link: https://lkml.kernel.org/r/[email protected] Signed-off-by: SeongJae Park <[email protected]> Tested-by: Honggyu Kim <[email protected]> Cc: Jonathan Corbet <[email protected]> Signed-off-by: Andrew Morton <[email protected]>
-rw-r--r--mm/damon/paddr.c5
1 files changed, 5 insertions, 0 deletions
diff --git a/mm/damon/paddr.c b/mm/damon/paddr.c
index 310b803c6277..5685ba485097 100644
--- a/mm/damon/paddr.c
+++ b/mm/damon/paddr.c
@@ -214,6 +214,11 @@ static bool __damos_pa_filter_out(struct damos_filter *filter,
matched = filter->memcg_id == mem_cgroup_id(memcg);
rcu_read_unlock();
break;
+ case DAMOS_FILTER_TYPE_YOUNG:
+ matched = damon_folio_young(folio);
+ if (matched)
+ damon_folio_mkold(folio);
+ break;
default:
break;
}