diff options
| author | SJ Park <sj@kernel.org> | 2026-07-10 06:46:34 -0700 |
|---|---|---|
| committer | Andrew Morton <akpm@linux-foundation.org> | 2026-08-04 19:18:49 -0700 |
| commit | cfe9e8c738d9acfa09973040e2dfa3fbd17c12be (patch) | |
| tree | fb0b74cd24a1f78a26c68c58e809497e8653484a /include | |
| parent | d235513a7c6b4e93a907be3b5c6da1305db309f6 (diff) | |
mm/damon/core: implement damon_probe_hits_wsum()
When damon_probe->weight is set, the weighted sum of probe hits will be
useful. It will be useful for not only the users but also DAMON internal
logics like regions merging. Implement a function for calculating it.
Link: https://lore.kernel.org/20260710134651.18084-6-sj@kernel.org
Signed-off-by: SJ Park <sj@kernel.org>
Cc: David Hildenbrand <david@kernel.org>
Cc: Jonathan Corbet <corbet@lwn.net>
Cc: Liam R. Howlett <liam@infradead.org>
Cc: Lorenzo Stoakes <ljs@kernel.org>
Cc: Michal Hocko <mhocko@suse.com>
Cc: Mike Rapoport <rppt@kernel.org>
Cc: Suren Baghdasaryan <surenb@google.com>
Cc: Vlastimil Babka <vbabka@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Diffstat (limited to 'include')
| -rw-r--r-- | include/linux/damon.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/include/linux/damon.h b/include/linux/damon.h index e7acd8e610a6..f69442a9d431 100644 --- a/include/linux/damon.h +++ b/include/linux/damon.h @@ -1012,6 +1012,8 @@ unsigned int damon_nr_accesses_mvsum(struct damon_region *r, struct damon_ctx *ctx); unsigned char damon_probe_hits_mvsum(int probe_idx, struct damon_region *r, struct damon_ctx *ctx); +unsigned int damon_probe_hits_wsum(struct damon_region *r, bool last, + struct damon_ctx *ctx); int damon_set_regions(struct damon_target *t, struct damon_addr_range *ranges, unsigned int nr_ranges, unsigned long min_region_sz); |