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b=dsJJx57DbIA0yLwgZEFPsiVAQ9E/HPhEGkVn80+zXts6AqF9XSt9ICtAptmYkOQf3 o5yH7Sz+GUGGscu3j1x5Qtip0m3O4ZQNboofdw5bv0z2o53478bhvebVvaex/Wx2dt kmTqN/UiyfwTm0kKGTJwa9ZQTShaUU6TGvuaYKs1RZbLM5yoU8ViUPY8gji6h9/eLs y0AqkHIl7Pi9UV/7XkjCiZQKxz8ZnxnWXMF8tF3kY+426M/lov//9xhI+F34JJ3T0d vFtnwR5f6ncU8wzSGtagMWEdtft4s17bSrCQKLt83QsyeRVRTtcjHo3nnelGUD2TYU vemiadlmIVvPA== From: SJ Park To: Cc: SJ Park , Andrew Morton , damon@lists.linux.dev, linux-kernel@vger.kernel.org, linux-mm@kvack.org Subject: [RFC PATCH v2 3/8] mm/damon/ops-common: support hugepage_size damon filter matching Date: Mon, 14 Sep 2026 07:44:40 -0700 Message-ID: <20260914144448.93732-4-sj@kernel.org> X-Mailer: git-send-email 2.47.3 In-Reply-To: <20260914144448.93732-1-sj@kernel.org> References: <20260914144448.93732-1-sj@kernel.org> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Rspam-User: X-Rspamd-Server: rspam06 X-Rspamd-Queue-Id: 7007440007 X-Stat-Signature: b1a1ezrj7hj5sxhyae4sb7d9qfc98ugi X-HE-Tag: 1789397098-5100 X-HE-Meta: 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 9cznXyO6 rYwfxbcCEQVJUXVHFrS+Pvw707CKVvK8/Bxj4w8Zg2OxIzP+5+PMnIbC1d5teiv7d04Pfjmn8/CQbLbAxazNnmcsykmspEY+X7GYeRdTJBpg3BytiMwmGYxhUsEKcGVPKk28YqLqb1LxlYTN9bIvQFnw0PlSLTBqJSsH57SSmbvyFLESIwGpLUelA31YpruD7A5cOW0nnBmjPZjXnnK1JjFyyeZv7P2VincMuNpf7AYA37tq/qczozxiSJOOsqd4dTEJQwN3zb1yv0HmTIwLQwl9hew== Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: Update ops-common data attribute filter matching logic to support hugepage_size filter type. Signed-off-by: SJ Park --- mm/damon/ops-common.c | 10 ++++++++++ 1 file changed, 10 insertions(+) diff --git a/mm/damon/ops-common.c b/mm/damon/ops-common.c index c36cc39cd2c70..77366f42b3e5b 100644 --- a/mm/damon/ops-common.c +++ b/mm/damon/ops-common.c @@ -536,6 +536,7 @@ bool damon_ops_filter_match(struct damon_filter *filter, struct folio *folio) { bool matched = false; struct mem_cgroup *memcg; + size_t folio_sz; switch (filter->type) { case DAMON_FILTER_TYPE_ANON: @@ -558,6 +559,15 @@ bool damon_ops_filter_match(struct damon_filter *filter, struct folio *folio) matched = filter->memcg_id == mem_cgroup_id(memcg); rcu_read_unlock(); break; + case DAMON_FILTER_TYPE_HUGEPAGE_SIZE: + if (!folio) { + matched = false; + break; + } + folio_sz = folio_size(folio); + matched = filter->range_min <= folio_sz && + folio_sz <= filter->range_max; + break; default: break; } -- 2.47.3