diff options
| -rw-r--r-- | include/linux/damon.h | 5 | ||||
| -rw-r--r-- | mm/damon/core.c | 4 | ||||
| -rw-r--r-- | mm/damon/paddr.c | 2 | ||||
| -rw-r--r-- | mm/damon/vaddr.c | 2 |
4 files changed, 8 insertions, 5 deletions
diff --git a/include/linux/damon.h b/include/linux/damon.h index b85eae388f5b..da003173210f 100644 --- a/include/linux/damon.h +++ b/include/linux/damon.h @@ -529,7 +529,8 @@ enum damon_ops_id { * @apply_scheme is called from @kdamond when a region for user provided * DAMON-based operation scheme is found. It should apply the scheme's action * to the region and return bytes of the region that the action is successfully - * applied. + * applied. It should also report how many bytes of the region has passed + * filters (&struct damos_filter) that handled by itself. * @target_valid should check whether the target is still valid for the * monitoring. * @cleanup is called from @kdamond just before its termination. @@ -546,7 +547,7 @@ struct damon_operations { struct damos *scheme); unsigned long (*apply_scheme)(struct damon_ctx *context, struct damon_target *t, struct damon_region *r, - struct damos *scheme); + struct damos *scheme, unsigned long *sz_filter_passed); bool (*target_valid)(struct damon_target *t); void (*cleanup)(struct damon_ctx *context); }; diff --git a/mm/damon/core.c b/mm/damon/core.c index d02a7d6da855..c6ccb4825c57 100644 --- a/mm/damon/core.c +++ b/mm/damon/core.c @@ -1523,6 +1523,7 @@ static void damos_apply_scheme(struct damon_ctx *c, struct damon_target *t, unsigned long sz = damon_sz_region(r); struct timespec64 begin, end; unsigned long sz_applied = 0; + unsigned long sz_ops_filter_passed = 0; int err = 0; /* * We plan to support multiple context per kdamond, as DAMON sysfs @@ -1568,7 +1569,8 @@ static void damos_apply_scheme(struct damon_ctx *c, struct damon_target *t, if (!err) { trace_damos_before_apply(cidx, sidx, tidx, r, damon_nr_regions(t), do_trace); - sz_applied = c->ops.apply_scheme(c, t, r, s); + sz_applied = c->ops.apply_scheme(c, t, r, s, + &sz_ops_filter_passed); } damos_walk_call_walk(c, t, r, s); ktime_get_coarse_ts64(&end); diff --git a/mm/damon/paddr.c b/mm/damon/paddr.c index a9ff35341d65..3530ef9c80bd 100644 --- a/mm/damon/paddr.c +++ b/mm/damon/paddr.c @@ -477,7 +477,7 @@ put_folio: static unsigned long damon_pa_apply_scheme(struct damon_ctx *ctx, struct damon_target *t, struct damon_region *r, - struct damos *scheme) + struct damos *scheme, unsigned long *sz_filter_passed) { switch (scheme->action) { case DAMOS_PAGEOUT: diff --git a/mm/damon/vaddr.c b/mm/damon/vaddr.c index b9eaa20b73b9..a6174f725bd7 100644 --- a/mm/damon/vaddr.c +++ b/mm/damon/vaddr.c @@ -655,7 +655,7 @@ static unsigned long damos_madvise(struct damon_target *target, static unsigned long damon_va_apply_scheme(struct damon_ctx *ctx, struct damon_target *t, struct damon_region *r, - struct damos *scheme) + struct damos *scheme, unsigned long *sz_filter_passed) { int madv_action; |