The patch titled
Subject: mm/damon/paddr: implement DAMOS filter type YOUNG
has been added to the -mm mm-unstable branch. Its filename is
mm-damon-paddr-implement-damos-filter-type-young.patch
This patch will shortly appear at
https://git.kernel.org/pub/scm/linux/kernel/git/akpm/25-new.git/tree/patches/mm-damon-paddr-implement-damos-filter-type-young.patch
This patch will later appear in the mm-unstable branch at
git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
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------------------------------------------------------
From: SeongJae Park <sj@xxxxxxxxxx>
Subject: mm/damon/paddr: implement DAMOS filter type YOUNG
Date: Fri, 26 Apr 2024 12:52:43 -0700
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/20240426195247.100306-5-sj@xxxxxxxxxx
Signed-off-by: SeongJae Park <sj@xxxxxxxxxx>
Tested-by: Honggyu Kim <honggyu.kim@xxxxxx>
Cc: Jonathan Corbet <corbet@xxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
mm/damon/paddr.c | 5 +++++
1 file changed, 5 insertions(+)
--- a/mm/damon/paddr.c~mm-damon-paddr-implement-damos-filter-type-young
+++ a/mm/damon/paddr.c
@@ -214,6 +214,11 @@ static bool __damos_pa_filter_out(struct
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;
}
_
Patches currently in -mm which might be from sj@xxxxxxxxxx are
mm-damon-paddr-implement-damon_folio_young.patch
mm-damon-paddr-implement-damon_folio_mkold.patch
mm-damon-add-damos-filter-type-young.patch
mm-damon-paddr-implement-damos-filter-type-young.patch
docs-mm-damon-design-document-young-page-type-damos-filter.patch
docs-admin-guide-mm-damon-usage-update-for-young-page-type-damos-filter.patch
docs-abi-damon-update-for-youg-page-type-damos-filter.patch
