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| author | SeongJae Park <sj@kernel.org> | 2023-09-16 02:09:38 +0000 |
|---|---|---|
| committer | Andrew Morton <akpm@linux-foundation.org> | 2023-10-04 10:32:31 -0700 |
| commit | e7639bb48d39dd7f544b19c8a09bb62f934b6e32 (patch) | |
| tree | 47ce7b15a8b455b0d554c95a06665f9fbe025cf4 /mm/damon/sysfs-schemes.c | |
| parent | affa87c708185cab194099ee51b946ef0297f063 (diff) | |
| download | lwn-e7639bb48d39dd7f544b19c8a09bb62f934b6e32.tar.gz lwn-e7639bb48d39dd7f544b19c8a09bb62f934b6e32.zip | |
mm/damon/sysfs-schemes: use nr_accesses_bp as the source of tried_regions/<N>/nr_accesses
DAMON sysfs interface exposes access rate of each region via DAMOS tried
regions directory. For this, the nr_accesses field of the region is used.
DAMOS was actually using nr_accesses in the past, but it uses
nr_accesses_bp now. Use the value that it is really using as the source.
Note that this doesn't expose nr_accesses_bp as is (in basis point), but
after converting it to the natural number by dividing the value by 10,000.
Hence there is no behavioral change from users' perspective.
Link: https://lkml.kernel.org/r/20230916020945.47296-3-sj@kernel.org
Signed-off-by: SeongJae Park <sj@kernel.org>
Cc: Jonathan Corbet <corbet@lwn.net>
Cc: Shuah Khan <shuah@kernel.org>
Cc: Steven Rostedt (Google) <rostedt@goodmis.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Diffstat (limited to 'mm/damon/sysfs-schemes.c')
| -rw-r--r-- | mm/damon/sysfs-schemes.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/mm/damon/sysfs-schemes.c b/mm/damon/sysfs-schemes.c index 527e7d17eb3b..093700f50b18 100644 --- a/mm/damon/sysfs-schemes.c +++ b/mm/damon/sysfs-schemes.c @@ -31,7 +31,7 @@ static struct damon_sysfs_scheme_region *damon_sysfs_scheme_region_alloc( return NULL; sysfs_region->kobj = (struct kobject){}; sysfs_region->ar = region->ar; - sysfs_region->nr_accesses = region->nr_accesses; + sysfs_region->nr_accesses = region->nr_accesses_bp / 10000; sysfs_region->age = region->age; INIT_LIST_HEAD(&sysfs_region->list); return sysfs_region; |