diff options
| -rw-r--r-- | include/linux/damon.h | 5 | ||||
| -rw-r--r-- | mm/damon/core.c | 6 | ||||
| -rw-r--r-- | mm/damon/paddr.c | 3 |
3 files changed, 13 insertions, 1 deletions
diff --git a/include/linux/damon.h b/include/linux/damon.h index af525252b853..c9074d569596 100644 --- a/include/linux/damon.h +++ b/include/linux/damon.h @@ -470,6 +470,11 @@ struct damos { unsigned long next_apply_sis; /* informs if ongoing DAMOS walk for this scheme is finished */ bool walk_completed; + /* + * If the current region in the filtering stage is allowed by core + * layer-handled filters. If true, operations layer allows it, too. + */ + bool core_filters_allowed; /* public: */ struct damos_quota quota; struct damos_watermarks wmarks; diff --git a/mm/damon/core.c b/mm/damon/core.c index c7b981308862..de4396519b83 100644 --- a/mm/damon/core.c +++ b/mm/damon/core.c @@ -1429,9 +1429,13 @@ static bool damos_filter_out(struct damon_ctx *ctx, struct damon_target *t, { struct damos_filter *filter; + s->core_filters_allowed = false; damos_for_each_filter(filter, s) { - if (damos_filter_match(ctx, t, r, filter)) + if (damos_filter_match(ctx, t, r, filter)) { + if (filter->allow) + s->core_filters_allowed = true; return !filter->allow; + } } return false; } diff --git a/mm/damon/paddr.c b/mm/damon/paddr.c index 0f9ae14f884d..c834aa217835 100644 --- a/mm/damon/paddr.c +++ b/mm/damon/paddr.c @@ -236,6 +236,9 @@ static bool damos_pa_filter_out(struct damos *scheme, struct folio *folio) { struct damos_filter *filter; + if (scheme->core_filters_allowed) + return false; + damos_for_each_filter(filter, scheme) { if (damos_pa_filter_match(filter, folio)) return !filter->allow; |