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b=NwyeCJDZzBpee8okpdb2TWe1r4JVbWLJdLqjGxcHtHjVhvyGgwkm6g+7FhSg1YNrh o3VXNGOV6H/r0kPCTl8lKhSkoesda7CUC2JdNfYaLZ3My3pfdkKxkH9ZoB6Wc5KvwT S/qnloRzUcZbcasS/nv/xWEr+zbOzOjCHsOVo1Q0lrAYPC2Th60vVz/g9IsCHcfJRc oAEnTQbbiqbpws2gOkLbeZWZthdB1WRN2oy90AZIobeCdUeZVVYd7Y4J89Ez8oglMZ ZkeP613l/DtcGsYhI4w072La1njLE10y+HElgyg+iUgeCeLaOW+FcDFXccbnV/uyHB sdnoVxYmAJinQ== From: SeongJae Park To: Cc: SeongJae Park , "# 5 . 18 . x" , Andrew Morton , damon@lists.linux.dev, linux-kernel@vger.kernel.org, linux-mm@kvack.org Subject: [RFC PATCH 3/9] mm/damon/sysfs-schemes: kobject_del() scheme dirs Date: Tue, 16 Jun 2026 08:08:37 -0700 Message-ID: <20260616150844.88305-4-sj@kernel.org> X-Mailer: git-send-email 2.47.3 In-Reply-To: <20260616150844.88305-1-sj@kernel.org> References: <20260616150844.88305-1-sj@kernel.org> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Rspamd-Queue-Id: 1488020007 X-Stat-Signature: g4wopf1i7yf4gsi7c1dxrgikdczjzxdp X-Rspam-User: X-Rspamd-Server: rspam12 X-HE-Tag: 1781622541-830064 X-HE-Meta: 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 COqOYuPQ AahRnVa3oRQlHyMGEWJB5B3ChMAwaUeTbgFyX9KOrWgTygJaO6MswpZtT75G9K7Zy64ROK9+BNEuANl1RWfUoQVvakl14W0VVNUkuuyZmPRrz8zQj5OVeHaQeDRRdT53mHEYcqCXluBvgnR+IzKcetW6QpjMNgpCqvibtY3ARrRfspdrazVtoJ9ZNRNpiqbNmCaz5PQDuODhs5wuMRajSkkYg4OVjy47bboEqJ+GsUZeMNu2SuHxn3svtZTIpW1QrdgDqIRpUt4OuYWajTX4z/iQK7g== Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: On CONFIG_DEBUG_KOBJECT_RELEASE enabled kernel, lack of kobject_del() could cause directories creation failures due to the name conflicts. Fix those issues for scheme directories by adding kobject_del() calls. Fixes: 7e84b1f8212a ("mm/damon/sysfs: support DAMON-based Operation Schemes") Cc: # 5.18.x Signed-off-by: SeongJae Park --- mm/damon/sysfs-schemes.c | 1 + 1 file changed, 1 insertion(+) diff --git a/mm/damon/sysfs-schemes.c b/mm/damon/sysfs-schemes.c index 329cfd0bbe9f3..37cf6edb54f17 100644 --- a/mm/damon/sysfs-schemes.c +++ b/mm/damon/sysfs-schemes.c @@ -2686,6 +2686,7 @@ void damon_sysfs_schemes_rm_dirs(struct damon_sysfs_schemes *schemes) for (i = 0; i < schemes->nr; i++) { damon_sysfs_scheme_rm_dirs(schemes_arr[i]); + kobject_del(&schemes_arr[i]->kobj); kobject_put(&schemes_arr[i]->kobj); } schemes->nr = 0; -- 2.47.3