From: SeongJae Park <sj@kernel.org>
To: Andrew Morton <akpm@linux-foundation.org>
Cc: SeongJae Park <sj@kernel.org>,
damon@lists.linux.dev, linux-kernel@vger.kernel.org,
linux-mm@kvack.org
Subject: [PATCH 23/28] mm/damon/paddr: support DAMON_FILTER_TYPE_MEMCG
Date: Mon, 18 May 2026 16:41:11 -0700 [thread overview]
Message-ID: <20260518234119.97569-24-sj@kernel.org> (raw)
In-Reply-To: <20260518234119.97569-1-sj@kernel.org>
Implement the support of DAMON_FILTER_TYPE_MEMCG on the DAMON operation
set implementation for the physical address space.
Signed-off-by: SeongJae Park <sj@kernel.org>
---
mm/damon/paddr.c | 14 ++++++++++++++
1 file changed, 14 insertions(+)
diff --git a/mm/damon/paddr.c b/mm/damon/paddr.c
index 9997c5174ef1b..d0598f5f26882 100644
--- a/mm/damon/paddr.c
+++ b/mm/damon/paddr.c
@@ -124,6 +124,7 @@ static bool damon_pa_filter_match(struct damon_filter *filter,
struct folio *folio)
{
bool matched = false;
+ struct mem_cgroup *memcg;
switch (filter->type) {
case DAMON_FILTER_TYPE_ANON:
@@ -133,6 +134,19 @@ static bool damon_pa_filter_match(struct damon_filter *filter,
}
matched = folio_test_anon(folio);
break;
+ case DAMON_FILTER_TYPE_MEMCG:
+ if (!folio) {
+ matched = false;
+ break;
+ }
+ rcu_read_lock();
+ memcg = folio_memcg_check(folio);
+ if (!memcg)
+ matched = false;
+ else
+ matched = filter->memcg_id == mem_cgroup_id(memcg);
+ rcu_read_unlock();
+ break;
default:
break;
}
--
2.47.3
next prev parent reply other threads:[~2026-05-18 23:41 UTC|newest]
Thread overview: 31+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-05-18 23:40 [PATCH 00/28] mm/damon: introduce data attributes monitoring SeongJae Park
2026-05-18 23:40 ` [PATCH 01/28] mm/damon/core: introduce struct damon_probe SeongJae Park
2026-05-18 23:40 ` [PATCH 02/28] mm/damon/core: embed damon_probe objects in damon_ctx SeongJae Park
2026-05-18 23:40 ` [PATCH 03/28] mm/damon/core: introduce damon_filter SeongJae Park
2026-05-18 23:40 ` [PATCH 04/28] mm/damon/core: commit probes SeongJae Park
2026-05-18 23:40 ` [PATCH 05/28] mm/damon/core: introduce damon_region->probe_hits SeongJae Park
2026-05-18 23:40 ` [PATCH 06/28] mm/damon/core: introduce damon_ops->apply_probes SeongJae Park
2026-05-18 23:40 ` [PATCH 07/28] mm/damon/core: do data attributes monitoring SeongJae Park
2026-05-18 23:40 ` [PATCH 08/28] mm/damon/paddr: support " SeongJae Park
2026-05-18 23:40 ` [PATCH 09/28] mm/damon/sysfs: implement probes dir SeongJae Park
2026-05-18 23:40 ` [PATCH 10/28] mm/damon/sysfs: implement probe dir SeongJae Park
2026-05-18 23:40 ` [PATCH 11/28] mm/damon/sysfs: implement filters directory SeongJae Park
2026-05-18 23:41 ` [PATCH 12/28] mm/damon/sysfs: implement filter dir SeongJae Park
2026-05-18 23:41 ` [PATCH 13/28] mm/damon/sysfs: implement filter dir files SeongJae Park
2026-05-18 23:41 ` [PATCH 14/28] mm/damon/sysfs: setup probes on DAMON core API parameters SeongJae Park
2026-05-18 23:41 ` [PATCH 15/28] mm/damon/sysfs-schemes: implement tried_regions/<r>/probes/ SeongJae Park
2026-05-18 23:41 ` [PATCH 16/28] mm/damon/sysfs-schemes: implement probe dir SeongJae Park
2026-05-18 23:41 ` [PATCH 17/28] mm/damon/sysfs-schemes: implement probe/hits file SeongJae Park
2026-05-18 23:41 ` [PATCH 18/28] mm/damon: trace probe_hits SeongJae Park
2026-05-18 23:41 ` [PATCH 19/28] selftests/damon/sysfs.sh: test probes dir SeongJae Park
2026-05-18 23:41 ` [PATCH 20/28] Docs/mm/damon/design: document data attributes monitoring SeongJae Park
2026-05-18 23:41 ` [PATCH 21/28] Docs/admin-guide/mm/damon/usage: " SeongJae Park
2026-05-18 23:41 ` [PATCH 22/28] mm/damon/core: introduce DAMON_FILTER_TYPE_MEMCG SeongJae Park
2026-05-18 23:41 ` SeongJae Park [this message]
2026-05-18 23:41 ` [PATCH 24/28] mm/damon/sysfs: add filters/<F>/path file SeongJae Park
2026-05-18 23:41 ` [PATCH 25/28] mm/damon/sysfs-schemes: move memcg_path_to_id() to sysfs-common SeongJae Park
2026-05-18 23:41 ` [PATCH 26/28] mm/damon/sysfs: setup damon_filter->memcg_id from path SeongJae Park
2026-05-18 23:41 ` [PATCH 27/28] Docs/mm/damon/design: update for memcg damon filter SeongJae Park
2026-05-18 23:41 ` [PATCH 28/28] Docs/admin-guide/mm/damon/usage: " SeongJae Park
2026-05-18 23:53 ` [PATCH 00/28] mm/damon: introduce data attributes monitoring SeongJae Park
2026-05-19 0:54 ` Andrew Morton
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