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| author | SeongJae Park <sj@kernel.org> | 2026-01-13 18:27:10 +0300 |
|---|---|---|
| committer | Andrew Morton <akpm@linux-foundation.org> | 2026-01-27 07:02:30 +0300 |
| commit | 57d96d1ad2ccb29f0b8d67acd79e2f978bf165c4 (patch) | |
| tree | b781cff5df1c205f3e3cf9d47b8cdb12a46e7d9d | |
| parent | 80820e69fd1b92288dceeffc0a337883abb5096a (diff) | |
| download | linux-57d96d1ad2ccb29f0b8d67acd79e2f978bf165c4.tar.xz | |
mm/damon/lru_sort: consider age for quota prioritization
DAMON_LRU_SORT is doing under-quota access pattern based regions
prioritization using only access frequency. Age of regions is another
useful information for distinguishing hot and cold regions. Use it for
prioritization, too.
Link: https://lkml.kernel.org/r/20260113152717.70459-6-sj@kernel.org
Signed-off-by: SeongJae Park <sj@kernel.org>
Cc: David Hildenbrand <david@kernel.org>
Cc: Jonathan Corbet <corbet@lwn.net>
Cc: Liam Howlett <liam.howlett@oracle.com>
Cc: Lorenzo Stoakes <lorenzo.stoakes@oracle.com>
Cc: Michal Hocko <mhocko@suse.com>
Cc: Mike Rapoport <rppt@kernel.org>
Cc: Suren Baghdasaryan <surenb@google.com>
Cc: Vlastimil Babka <vbabka@suse.cz>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
| -rw-r--r-- | mm/damon/lru_sort.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/mm/damon/lru_sort.c b/mm/damon/lru_sort.c index 9388b091deb7..a74c4ec170a9 100644 --- a/mm/damon/lru_sort.c +++ b/mm/damon/lru_sort.c @@ -71,7 +71,7 @@ static struct damos_quota damon_lru_sort_quota = { /* Within the quota, mark hotter regions accessed first. */ .weight_sz = 0, .weight_nr_accesses = 1, - .weight_age = 0, + .weight_age = 1, }; DEFINE_DAMON_MODULES_DAMOS_TIME_QUOTA(damon_lru_sort_quota); |