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Wed, 22 Jul 2026 04:33:54 -0700 (PDT) From: Cheng-Han Wu To: SJ Park Cc: Andrew Morton , Shuah Khan , damon@lists.linux.dev, linux-mm@kvack.org, linux-kernel@vger.kernel.org, linux-kernel-mentees@lists.linux.dev, Cheng-Han Wu Subject: [PATCH 1/2] mm/damon/core: remove unused damon_targets_empty() Date: Wed, 22 Jul 2026 19:33:37 +0800 Message-ID: <20260722113338.302603-2-hank20010209@gmail.com> X-Mailer: git-send-email 2.52.0 In-Reply-To: <20260722113338.302603-1-hank20010209@gmail.com> References: <20260722113338.302603-1-hank20010209@gmail.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" damon_targets_empty() has had no in-tree users since commit 5ec4333b1967 ("mm/damon: remove DAMON debugfs interface") removed its last caller. Remove the unused declaration and definition. Signed-off-by: Cheng-Han Wu Reviewed-by: SJ Park --- include/linux/damon.h | 1 - mm/damon/core.c | 5 ----- 2 files changed, 6 deletions(-) diff --git a/include/linux/damon.h b/include/linux/damon.h index 0c8b7ddef9ab..8e5589ccf50f 100644 --- a/include/linux/damon.h +++ b/include/linux/damon.h @@ -1054,7 +1054,6 @@ int damos_commit_quota_goals(struct damos_quota *dst,= struct damos_quota *src); =20 struct damon_target *damon_new_target(void); void damon_add_target(struct damon_ctx *ctx, struct damon_target *t); -bool damon_targets_empty(struct damon_ctx *ctx); void damon_free_target(struct damon_target *t); void damon_destroy_target(struct damon_target *t, struct damon_ctx *ctx); unsigned int damon_nr_regions(struct damon_target *t); diff --git a/mm/damon/core.c b/mm/damon/core.c index 644daf5a1656..da97b2dc39d1 100644 --- a/mm/damon/core.c +++ b/mm/damon/core.c @@ -795,11 +795,6 @@ void damon_add_target(struct damon_ctx *ctx, struct da= mon_target *t) list_add_tail(&t->list, &ctx->adaptive_targets); 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Wed, 22 Jul 2026 04:33:58 -0700 (PDT) Received: from apt.tailc82bd0.ts.net ([140.123.97.23]) by smtp.gmail.com with ESMTPSA id 41be03b00d2f7-cbb8f1c376esm980979a12.29.2026.07.22.04.33.55 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 22 Jul 2026 04:33:57 -0700 (PDT) From: Cheng-Han Wu To: SJ Park Cc: Andrew Morton , Shuah Khan , damon@lists.linux.dev, linux-mm@kvack.org, linux-kernel@vger.kernel.org, linux-kernel-mentees@lists.linux.dev, Cheng-Han Wu Subject: [PATCH 2/2] mm/damon/core: remove unused damon_nr_running_ctxs() Date: Wed, 22 Jul 2026 19:33:38 +0800 Message-ID: <20260722113338.302603-3-hank20010209@gmail.com> X-Mailer: git-send-email 2.52.0 In-Reply-To: <20260722113338.302603-1-hank20010209@gmail.com> References: <20260722113338.302603-1-hank20010209@gmail.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" damon_nr_running_ctxs() has had no in-tree users since commit 5ec4333b1967 ("mm/damon: remove DAMON debugfs interface") removed all of its callers. Remove the unused declaration and definition. Signed-off-by: Cheng-Han Wu Reviewed-by: SJ Park --- include/linux/damon.h | 1 - mm/damon/core.c | 14 -------------- 2 files changed, 15 deletions(-) diff --git a/include/linux/damon.h b/include/linux/damon.h index 8e5589ccf50f..50659c9083a9 100644 --- a/include/linux/damon.h +++ b/include/linux/damon.h @@ -1064,7 +1064,6 @@ int damon_set_attrs(struct damon_ctx *ctx, struct dam= on_attrs *attrs); void damon_set_schemes(struct damon_ctx *ctx, struct damos **schemes, ssize_t nr_schemes); int damon_commit_ctx(struct damon_ctx *old_ctx, struct damon_ctx *new_ctx); -int damon_nr_running_ctxs(void); bool damon_is_registered_ops(enum damon_ops_id id); int damon_register_ops(struct damon_operations *ops); int damon_select_ops(struct damon_ctx *ctx, enum damon_ops_id id); diff --git a/mm/damon/core.c b/mm/damon/core.c index da97b2dc39d1..891f851bcbbf 100644 --- a/mm/damon/core.c +++ b/mm/damon/core.c @@ -1847,20 +1847,6 @@ int damon_commit_ctx(struct damon_ctx *dst, struct d= amon_ctx *src) return err; } =20 -/** - * damon_nr_running_ctxs() - Return number of currently running contexts. - */ -int damon_nr_running_ctxs(void) -{ - int nr_ctxs; - - mutex_lock(&damon_lock); - nr_ctxs =3D nr_running_ctxs; - mutex_unlock(&damon_lock); - - return nr_ctxs; -} - /* Returns the size upper limit for each monitoring region */ static unsigned long damon_region_sz_limit(struct damon_ctx *ctx) { --=20 2.52.0