# SPDX-License-Identifier: GPL-2.0-only config NET_DEV_REFCNT_TRACKER	bool "Enable net device refcount tracking"	depends on DEBUG_KERNEL && STACKTRACE_SUPPORT && NET	select REF_TRACKER	default n	help	  Enable debugging feature to track device references.	  This adds memory and cpu costs. config NET_NS_REFCNT_TRACKER	bool "Enable networking namespace refcount tracking"	depends on DEBUG_KERNEL && STACKTRACE_SUPPORT && NET	select REF_TRACKER	default n	help	  Enable debugging feature to track netns references.	  This adds memory and cpu costs. config DEBUG_NET	bool "Add generic networking debug"	depends on DEBUG_KERNEL && NET	help	  Enable extra sanity checks in networking.	  This is mostly used by fuzzers, but is safe to select. config DEBUG_NET_SMALL_RTNL	bool "Add extra per-netns mutex inside RTNL"	depends on DEBUG_KERNEL && NET && LOCK_DEBUGGING_SUPPORT	select PROVE_LOCKING	default n	help	  rtnl_lock() is being replaced with rtnl_net_lock() that	  acquires the global RTNL and a small per-netns RTNL mutex. 	  During the conversion, rtnl_net_lock() just adds an extra	  mutex in every RTNL scope and slows down the operations. 	  Once the conversion completes, rtnl_lock() will be removed	  and rtnetlink will gain per-netns scalability.