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b=Ta8XHsh4ZHuRNEUZdt7JrNFh779wrIFav3dd9IOrXmxRqhFeYwK7mKPUIZaXY1flJ A0laymTf5Hiw97z6zFeoG4R9QLk2wPIAPDa7Ytz/QL12x4I00yd3KznkPCN8zdJz65 /MZyYiBS2Fldzm+hXAoxrys1gYPxB9m5pzNv+Tr7jamLe9xmfHC2jQiV045x3QobUS QSgCmR0e4e/1Hp/vrnsoREByWnroZOnsqz+hx/ZWe7D2jy/oL3OrpjcP5KtZPPbCli IRtWYLnfARRFSbihQbTjNosP5/+hd+QebnSvKhg/vnvaM1+iEVZYkAc0e10XlrdgI8 0UNzA3Z43B6zg== From: SeongJae Park To: Cc: SeongJae Park , "# 6 . 17 . x" , Andrew Morton , damon@lists.linux.dev, linux-kernel@vger.kernel.org, linux-mm@kvack.org Subject: [RFC PATCH v1.2 07/11] mm/damon/sysfs-schemes: kobject_del() scheme action destination dirs Date: Thu, 18 Jun 2026 08:15:11 -0700 Message-ID: <20260618151517.5366-8-sj@kernel.org> X-Mailer: git-send-email 2.47.3 In-Reply-To: <20260618151517.5366-1-sj@kernel.org> References: <20260618151517.5366-1-sj@kernel.org> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Rspamd-Server: rspam03 X-Rspamd-Queue-Id: A934F8001F X-Stat-Signature: cqqq4gyifefctf98h95z9tomgahwatbq X-Rspam-User: X-HE-Tag: 1781795736-695954 X-HE-Meta: U2FsdGVkX19HN0wefGBHrs50vYnkZfxkZ+U67B4U/T82hqj51sqPVO9KCq/xT5k6wTS/AxKuMJC0QzFeNPWMUz4Uxe9/HSJXtAl+gTOQOVYAknl+VMIo6bD1cpVkT2MC+tVsUdYRVWmiTPzJdJZ/UqwtcBxcwca0zdwZyuNW13nXznd9GVexMQ/FLjrYndDuroin/7DBlA8tG5JtswqeGB0D000rcha8XM96bbF9cxLc2Bvhpok3FXgT1obmF4P5ne4gN7imyjjw8nubFr7XBG++MGcIywsl8fEC+0VE0rx350/C3qy9d4rbRFz/XTE2iXXe/n42XhNzlE+yu7TkcO1LTc1sgAG8sdcqKktApJWQJFDChPxHENWahcdgTEUKTaEtmIYdgWnr+EYP5XRijRMSLvGkqTvUnPPB+Qlb6wQgt4DmPjVxIOckSva5VlQ5dUTFOWIY6C7fxz3+MytRJXmpdRbSfjnLZApBUd5DNYuVQVp8MIjsaOP7ODZpzM+Pr3OuEizX085LftcMBsq17jtVYHjYaPInP5AC/6UE0stywX88lgfAaa1TsKaR3yjiADMlmMTkuKAiOLRhSzdzBgb6nibW2pnu/J059m4V4mrz4Q9ZatdvFO15fPOaf7u+QE0wIdXNIH88h3IKotUpE54wBRycchREqSGISy/6mDZ0nRW6aRahWUiF/35lMCLx6NXTmJ8n+wttODrpTBXMeRKbCPHt4VHhnySjUfKpP5Bgy7/UgUqkkQ/Ut9tGRGC8upV3c0QrVfkMidllDefjtJ79U7jr+pCYNXWppyPSaPorxcF/LivAEY8Y/oRLGTXFVx/7zA4+lwLWrZYiz5RqISZl7ypx7xdH4osOByHBoe93GiX4j7IPoYZlmtYLnTsHoz4kJVvE4O8I9V6UYyIeAxSUBSNW0BbB91F0dKhApW+sTQRGFOr2CG0ZUXDvCaIJ5W1f87gNBrBZpgIPw9q ArVG5+Zv Mmj25jjYA8z1FLglXje+l5/txUZ4eIwRNGIgI4OnJ3A9wEgtW4FtaKbW2xuRSMnNGCNeBi2lt4lFKOAGDJZd44QoUP5WXZYtHFZSj5I5wjcdQe9ilD2qvMh6yGdg+GijAjQz/THzbYh4PMzd1y1mDZ+u2542VE2mDJ3BlqC1MWpBox5v2wEabv9kacblrSvvg2pv/cEaP91nJL/3S/gkKVzX3nKbs6x+0P7RWF/x96ghCfaeySgHkKtKWRBT+koVFse4euGQVOkLYquxiej6nzpHjhA== 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 action destination directories by adding kobject_del() calls. Fixes: 2cd0bf85a203 ("mm/damon/sysfs-schemes: implement DAMOS action destinations directory") Cc: # 6.17.x Signed-off-by: SeongJae Park --- mm/damon/sysfs-schemes.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/mm/damon/sysfs-schemes.c b/mm/damon/sysfs-schemes.c index 306c1d3d357c4..0d4e9b053e381 100644 --- a/mm/damon/sysfs-schemes.c +++ b/mm/damon/sysfs-schemes.c @@ -2145,8 +2145,10 @@ static void damos_sysfs_dests_rm_dirs( struct damos_sysfs_dest **dests_arr = dests->dests_arr; int i; - for (i = 0; i < dests->nr; i++) + for (i = 0; i < dests->nr; i++) { + kobject_del(&dests_arr[i]->kobj); kobject_put(&dests_arr[i]->kobj); + } dests->nr = 0; kfree(dests_arr); dests->dests_arr = NULL; -- 2.47.3