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Anyone here who knows #sysfs/#kobject internals in #Linux?

When I'm using sysfs_create_group. Can I delete (or rather reuse) an attribute_group object or does the kernel need _my_ attribute_group structure? I've browsed through the code, I see that the attribute is handed as private data to __kernfs_create_file, but I am unsure about the attribute_group.

Does anyone know?

Using 5.4 Kernel here.