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From: SeongJae Park <sj@kernel.org>
Cc: SeongJae Park <sj@kernel.org>,
	Andrew Morton <akpm@linux-foundation.org>,
	damon@lists.linux.dev, kernel-team@meta.com,
	linux-kernel@vger.kernel.org, linux-mm@kvack.org
Subject: [RFC PATCH 08/14] mm/damon/core: do not call ops.cleanup() when destroying targets
Date: Sun,  6 Jul 2025 13:00:12 -0700	[thread overview]
Message-ID: <20250706200018.42704-9-sj@kernel.org> (raw)
In-Reply-To: <20250706200018.42704-1-sj@kernel.org>

damon_operations.cleanup() is documented to be called for kdamond
termination, but also being called for targets destruction, which is
done for any damon_ctx destruction.  Nobody is using the callback for
now, though.  Remove the cleanup() call under the destruction.

Signed-off-by: SeongJae Park <sj@kernel.org>
---
 mm/damon/core.c | 5 -----
 1 file changed, 5 deletions(-)

diff --git a/mm/damon/core.c b/mm/damon/core.c
index 7a4dc76dd023..eaa2306ff324 100644
--- a/mm/damon/core.c
+++ b/mm/damon/core.c
@@ -550,11 +550,6 @@ static void damon_destroy_targets(struct damon_ctx *ctx)
 {
 	struct damon_target *t, *next_t;
 
-	if (ctx->ops.cleanup) {
-		ctx->ops.cleanup(ctx);
-		return;
-	}
-
 	damon_for_each_target_safe(t, next_t, ctx)
 		damon_destroy_target(t);
 }
-- 
2.39.5

  parent reply	other threads:[~2025-07-06 20:00 UTC|newest]

Thread overview: 17+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2025-07-06 20:00 [RFC PATCH 00/14] mm/damon: remove damon_callback SeongJae Park
2025-07-06 20:00 ` [RFC PATCH 01/14] mm/damon: accept parallel damon_call() requests SeongJae Park
2025-07-06 20:00 ` [RFC PATCH 02/14] mm/damon/core: introduce repeat mode damon_call() SeongJae Park
2025-07-06 21:45   ` SeongJae Park
2025-07-06 20:00 ` [RFC PATCH 03/14] mm/damon/stat: use damon_call() repeat mode instead of damon_callback SeongJae Park
2025-07-06 20:00 ` [RFC PATCH 04/14] mm/damon/reclaim: " SeongJae Park
2025-07-06 20:00 ` [RFC PATCH 05/14] mm/damon/lru_sort: " SeongJae Park
2025-07-06 20:00 ` [RFC PATCH 06/14] samples/damon/prcl: " SeongJae Park
2025-07-06 20:00 ` [RFC PATCH 07/14] samples/damon/wsse: " SeongJae Park
2025-07-06 20:00 ` SeongJae Park [this message]
2025-07-06 20:00 ` [RFC PATCH 09/14] mm/damon/core: add cleanup_target() ops callback SeongJae Park
2025-07-06 20:00 ` [RFC PATCH 10/14] mm/damon/vaddr: put pid in cleanup_target() SeongJae Park
2025-07-06 21:48   ` SeongJae Park
2025-07-06 20:00 ` [RFC PATCH 11/14] mm/damon/sysfs: remove damon_sysfs_destroy_targets() SeongJae Park
2025-07-06 20:00 ` [RFC PATCH 12/14] mm/damon/core: destroy targets when kdamond_fn() finish SeongJae Park
2025-07-06 20:00 ` [RFC PATCH 13/14] mm/damon/sysfs: remove damon_sysfs_before_terminate() SeongJae Park
2025-07-06 20:00 ` [RFC PATCH 14/14] mm/damon/core: remove damon_callback SeongJae Park

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