From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-alma10-1.taild15c8.ts.net [100.103.45.18]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 2A4E43BADB7 for ; Tue, 2 Jun 2026 22:24:57 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=100.103.45.18 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1780439098; cv=none; b=fljHntRDu6aJ0zJVozAD/COW5174E5tlzLwk7opQfihirjpoLdoSag7zZa0ltaPUu12xSxbLmHp/4fcv3j9ieClg6TtzobbPgT4X5RtZyqzybzTHN5OwoMC6SxPWahg2/N8+T034e/bT7DLNQS9hLLZy5PQFAorxJQsJnHttups= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1780439098; c=relaxed/simple; bh=AcX8pO23vX5gP1nbZ+37nHpRdjDi6ny2VUQKQIyW3x0=; h=Date:To:From:Subject:Message-Id; b=htotmOGQ7Vk0yReJh9iiroM3MNQfpSF6AdtYwGYV5WZ2JPTRioAm0avuzGblSAGeAdLi41+/sJ+c71ZjIlWW9Q8xO/30RwSxraHw9WapSamf3leGzHsn3wPj3XnBURzq+9akiBFPfqifb1JMJuyLddB5t9XJOSDMnRvhJGPQC6c= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linux-foundation.org header.i=@linux-foundation.org header.b=xNuev0qR; arc=none smtp.client-ip=100.103.45.18 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linux-foundation.org header.i=@linux-foundation.org header.b="xNuev0qR" Received: by smtp.kernel.org (Postfix) with ESMTPSA id EEF031F0089A; Tue, 2 Jun 2026 22:24:56 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linux-foundation.org; s=korg; t=1780439097; bh=NUL6jdnd5CDqhBeZDxD9y9lqSQjsbaPcd3MGCicZ090=; h=Date:To:From:Subject; b=xNuev0qRSIpMz1TI07ElH+RaGl5j2WBOMSz/C9A85sARefqV7Fbs9rWbKVsxb1Vk6 pceUkJuf0jQq2p6BnIuwx16LhL32FlT9zM5cTE5/W/Vg5Arrc3QCZri7HJXR5DXhXJ 7WdyoCBHubSUbeIUlKj2tuqiJ9SyT+yvwHRKEqAk= Date: Tue, 02 Jun 2026 15:24:56 -0700 To: mm-commits@vger.kernel.org,vbabka@kernel.org,surenb@google.com,shuah@kernel.org,rppt@kernel.org,rostedt@goodmis.org,mhocko@suse.com,mhiramat@kernel.org,mathieu.desnoyers@efficios.com,ljs@kernel.org,liam@infradead.org,david@kernel.org,corbet@lwn.net,sj@kernel.org,akpm@linux-foundation.org From: Andrew Morton Subject: [merged mm-stable] mm-damon-sysfs-implement-filters-directory.patch removed from -mm tree Message-Id: <20260602222456.EEF031F0089A@smtp.kernel.org> Precedence: bulk X-Mailing-List: mm-commits@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: The quilt patch titled Subject: mm/damon/sysfs: implement filters directory has been removed from the -mm tree. Its filename was mm-damon-sysfs-implement-filters-directory.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 Subject: mm/damon/sysfs: implement filters directory Date: Mon, 18 May 2026 16:40:59 -0700 Implement a directory for letting users to install data probe filters. Link: https://lore.kernel.org/20260518234119.97569-12-sj@kernel.org Signed-off-by: SeongJae Park Cc: David Hildenbrand Cc: Jonathan Corbet Cc: Liam R. Howlett Cc: Lorenzo Stoakes Cc: "Masami Hiramatsu (Google)" Cc: Mathieu Desnoyers Cc: Michal Hocko Cc: Mike Rapoport Cc: Shuah Khan Cc: Steven Rostedt Cc: Suren Baghdasaryan Cc: Vlastimil Babka Signed-off-by: Andrew Morton --- mm/damon/sysfs.c | 65 ++++++++++++++++++++++++++++++++++++++++++++- 1 file changed, 64 insertions(+), 1 deletion(-) --- a/mm/damon/sysfs.c~mm-damon-sysfs-implement-filters-directory +++ a/mm/damon/sysfs.c @@ -748,11 +748,41 @@ static const struct kobj_type damon_sysf }; /* + * filters directory + */ + +struct damon_sysfs_filters { + struct kobject kobj; +}; + +static struct damon_sysfs_filters *damon_sysfs_filters_alloc(void) +{ + return kzalloc_obj(struct damon_sysfs_filters); +} + +static void damon_sysfs_filters_release(struct kobject *kobj) +{ + kfree(container_of(kobj, struct damon_sysfs_filters, kobj)); +} + +static struct attribute *damon_sysfs_filters_attrs[] = { + NULL, +}; +ATTRIBUTE_GROUPS(damon_sysfs_filters); + +static const struct kobj_type damon_sysfs_filters_ktype = { + .release = damon_sysfs_filters_release, + .sysfs_ops = &kobj_sysfs_ops, + .default_groups = damon_sysfs_filters_groups, +}; + +/* * probe directory */ struct damon_sysfs_probe { struct kobject kobj; + struct damon_sysfs_filters *filters; }; static struct damon_sysfs_probe *damon_sysfs_probe_alloc(void) @@ -760,6 +790,30 @@ static struct damon_sysfs_probe *damon_s return kzalloc_obj(struct damon_sysfs_probe); } +static int damon_sysfs_probe_add_dirs(struct damon_sysfs_probe *attr) +{ + struct damon_sysfs_filters *filters; + int err; + + filters = damon_sysfs_filters_alloc(); + if (!filters) + return -ENOMEM; + attr->filters = filters; + + err = kobject_init_and_add(&filters->kobj, &damon_sysfs_filters_ktype, + &attr->kobj, "filters"); + if (err) { + kobject_put(&filters->kobj); + attr->filters = NULL; + } + return err; +} + +static void damon_sysfs_probe_rm_dirs(struct damon_sysfs_probe *attr) +{ + kobject_put(&attr->filters->kobj); +} + static void damon_sysfs_probe_release(struct kobject *kobj) { kfree(container_of(kobj, struct damon_sysfs_probe, kobj)); @@ -797,8 +851,10 @@ static void damon_sysfs_probes_rm_dirs( struct damon_sysfs_probe **probes_arr = probes->probes_arr; int i; - for (i = 0; i < probes->nr; i++) + for (i = 0; i < probes->nr; i++) { + damon_sysfs_probe_rm_dirs(probes_arr[i]); kobject_put(&probes_arr[i]->kobj); + } probes->nr = 0; kfree(probes_arr); probes->probes_arr = NULL; @@ -833,6 +889,13 @@ static int damon_sysfs_probes_add_dirs( if (err) { kobject_put(&probe->kobj); damon_sysfs_probes_rm_dirs(probes); + return err; + } + + err = damon_sysfs_probe_add_dirs(probe); + if (err) { + kobject_put(&probe->kobj); + damon_sysfs_probes_rm_dirs(probes); return err; } _ Patches currently in -mm which might be from sj@kernel.org are mm-damon-reclaim-handle-ctx-allocation-failure.patch mm-damonn-lru_sort-handle-ctx-allocation-failure.patch maintainers-add-testing-abi-documents-for-mm.patch