From: Andrew Morton <akpm@linux-foundation.org>
To: mm-commits@vger.kernel.org,sj@kernel.org,akpm@linux-foundation.org
Subject: [merged mm-stable] mm-damon-sysfs-use-damon-core-api-damon_is_running.patch removed from -mm tree
Date: Sat, 19 Jul 2025 19:01:09 -0700 [thread overview]
Message-ID: <20250720020110.7AD39C4CEF4@smtp.kernel.org> (raw)
The quilt patch titled
Subject: mm/damon/sysfs: use DAMON core API damon_is_running()
has been removed from the -mm tree. Its filename was
mm-damon-sysfs-use-damon-core-api-damon_is_running.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: SeongJae Park <sj@kernel.org>
Subject: mm/damon/sysfs: use DAMON core API damon_is_running()
Date: Sat, 5 Jul 2025 10:49:58 -0700
DAMON core implements a static function to see if a given DAMON context is
running. DAMON sysfs interface is implementing the same one on its own.
Make the core function non-static and reuse it from the DAMON sysfs
interface.
Link: https://lkml.kernel.org/r/20250705175000.56259-5-sj@kernel.org
Signed-off-by: SeongJae Park <sj@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---
include/linux/damon.h | 1 +
mm/damon/core.c | 8 +++++++-
mm/damon/sysfs.c | 14 ++------------
3 files changed, 10 insertions(+), 13 deletions(-)
--- a/include/linux/damon.h~mm-damon-sysfs-use-damon-core-api-damon_is_running
+++ a/include/linux/damon.h
@@ -934,6 +934,7 @@ static inline unsigned int damon_max_nr_
int damon_start(struct damon_ctx **ctxs, int nr_ctxs, bool exclusive);
int damon_stop(struct damon_ctx **ctxs, int nr_ctxs);
+bool damon_is_running(struct damon_ctx *ctx);
int damon_call(struct damon_ctx *ctx, struct damon_call_control *control);
int damos_walk(struct damon_ctx *ctx, struct damos_walk_control *control);
--- a/mm/damon/core.c~mm-damon-sysfs-use-damon-core-api-damon_is_running
+++ a/mm/damon/core.c
@@ -1311,7 +1311,13 @@ int damon_stop(struct damon_ctx **ctxs,
return err;
}
-static bool damon_is_running(struct damon_ctx *ctx)
+/**
+ * damon_is_running() - Returns if a given DAMON context is running.
+ * @ctx: The DAMON context to see if running.
+ *
+ * Return: true if @ctx is running, false otherwise.
+ */
+bool damon_is_running(struct damon_ctx *ctx)
{
bool running;
--- a/mm/damon/sysfs.c~mm-damon-sysfs-use-damon-core-api-damon_is_running
+++ a/mm/damon/sysfs.c
@@ -1189,16 +1189,6 @@ static void damon_sysfs_kdamond_rm_dirs(
kobject_put(&kdamond->contexts->kobj);
}
-static bool damon_sysfs_ctx_running(struct damon_ctx *ctx)
-{
- bool running;
-
- mutex_lock(&ctx->kdamond_lock);
- running = ctx->kdamond != NULL;
- mutex_unlock(&ctx->kdamond_lock);
- return running;
-}
-
/*
* enum damon_sysfs_cmd - Commands for a specific kdamond.
*/
@@ -1275,7 +1265,7 @@ static ssize_t state_show(struct kobject
if (!ctx)
running = false;
else
- running = damon_sysfs_ctx_running(ctx);
+ running = damon_is_running(ctx);
return sysfs_emit(buf, "%s\n", running ?
damon_sysfs_cmd_strs[DAMON_SYSFS_CMD_ON] :
@@ -1429,7 +1419,7 @@ static inline bool damon_sysfs_kdamond_r
struct damon_sysfs_kdamond *kdamond)
{
return kdamond->damon_ctx &&
- damon_sysfs_ctx_running(kdamond->damon_ctx);
+ damon_is_running(kdamond->damon_ctx);
}
static int damon_sysfs_apply_inputs(struct damon_ctx *ctx,
_
Patches currently in -mm which might be from sj@kernel.org are
mm-damon-core-commit-damos_quota_goal-nid.patch
mm-damon-sysfs-implement-refresh_ms-file-under-kdamond-directory.patch
mm-damon-sysfs-implement-refresh_ms-file-internal-work.patch
docs-admin-guide-mm-damon-usage-document-refresh_ms-file.patch
docs-abi-damon-update-for-refresh_ms.patch
reply other threads:[~2025-07-20 2:01 UTC|newest]
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