[merged mm-stable] mm-damon-core-remove-unused-damon_nr_running_ctxs.patch removed from -mm tree

[merged mm-stable] mm-damon-core-remove-unused-damon_nr_running_ctxs.patch removed from -mm tree

[Andrew Morton]

The quilt patch titled
     Subject: mm/damon/core: remove unused damon_nr_running_ctxs()
has been removed from the -mm tree.  Its filename was
     mm-damon-core-remove-unused-damon_nr_running_ctxs.patch

This patch was dropped because it was merged into the mm-stable branch
of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm

------------------------------------------------------
From: Cheng-Han Wu <hank20010209@gmail.com>
Subject: mm/damon/core: remove unused damon_nr_running_ctxs()
Date: Mon, 31 Aug 2026 07:57:22 -0700

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.

Link: https://lore.kernel.org/20260831145724.82387-3-sj@kernel.org
Signed-off-by: Cheng-Han Wu <hank20010209@gmail.com>
Signed-off-by: SJ Park <sj@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Reviewed-by: SJ Park <sj@kernel.org>
---

 include/linux/damon.h |    1 -
 mm/damon/core.c       |   14 --------------
 2 files changed, 15 deletions(-)

--- a/include/linux/damon.h~mm-damon-core-remove-unused-damon_nr_running_ctxs
+++ a/include/linux/damon.h
@@ -1065,7 +1065,6 @@ int damon_set_attrs(struct damon_ctx *ct
 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);
--- a/mm/damon/core.c~mm-damon-core-remove-unused-damon_nr_running_ctxs
+++ a/mm/damon/core.c
@@ -1847,20 +1847,6 @@ out:
 	return err;
 }
 
-/**
- * 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 = 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)
 {
_

Patches currently in -mm which might be from hank20010209@gmail.com are