€•TŒsphinx.addnodes”Œdocument”“”)”}”(Œ rawsource”Œ”Œchildren”]”(Œ translations”Œ LanguagesNode”“”)”}”(hhh]”(hŒ pending_xref”“”)”}”(hhh]”Œdocutils.nodes”ŒText”“”ŒChinese (Simplified)”…””}”Œparent”hsbaŒ attributes”}”(Œids”]”Œclasses”]”Œnames”]”Œdupnames”]”Œbackrefs”]”Œ refdomain”Œstd”Œreftype”Œdoc”Œ reftarget”Œ+/translations/zh_CN/core-api/memory-hotplug”Œmodname”NŒ classname”NŒ refexplicit”ˆuŒtagname”hhh ubh)”}”(hhh]”hŒChinese (Traditional)”…””}”hh2sbah}”(h]”h ]”h"]”h$]”h&]”Œ refdomain”h)Œreftype”h+Œ reftarget”Œ+/translations/zh_TW/core-api/memory-hotplug”Œmodname”NŒ classname”NŒ refexplicit”ˆuh1hhh ubh)”}”(hhh]”hŒItalian”…””}”hhFsbah}”(h]”h ]”h"]”h$]”h&]”Œ refdomain”h)Œreftype”h+Œ reftarget”Œ+/translations/it_IT/core-api/memory-hotplug”Œmodname”NŒ classname”NŒ refexplicit”ˆuh1hhh ubh)”}”(hhh]”hŒJapanese”…””}”hhZsbah}”(h]”h ]”h"]”h$]”h&]”Œ refdomain”h)Œreftype”h+Œ reftarget”Œ+/translations/ja_JP/core-api/memory-hotplug”Œmodname”NŒ classname”NŒ refexplicit”ˆuh1hhh ubh)”}”(hhh]”hŒKorean”…””}”hhnsbah}”(h]”h ]”h"]”h$]”h&]”Œ refdomain”h)Œreftype”h+Œ reftarget”Œ+/translations/ko_KR/core-api/memory-hotplug”Œmodname”NŒ classname”NŒ refexplicit”ˆuh1hhh ubh)”}”(hhh]”hŒSpanish”…””}”hh‚sbah}”(h]”h ]”h"]”h$]”h&]”Œ refdomain”h)Œreftype”h+Œ reftarget”Œ+/translations/sp_SP/core-api/memory-hotplug”Œmodname”NŒ classname”NŒ refexplicit”ˆuh1hhh ubeh}”(h]”h ]”h"]”h$]”h&]”Œcurrent_language”ŒEnglish”uh1h hhŒ _document”hŒsource”NŒline”NubhŒtarget”“”)”}”(hŒ.. _memory_hotplug:”h]”h}”(h]”h ]”h"]”h$]”h&]”Œrefid”Œmemory-hotplug”uh1h¡h KhhhžhhŸŒE/var/lib/git/docbuild/linux/Documentation/core-api/memory-hotplug.rst”ubhŒsection”“”)”}”(hhh]”(hŒtitle”“”)”}”(hŒMemory hotplug”h]”hŒMemory hotplug”…””}”(hh·hžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1hµhh²hžhhŸh¯h Kubh±)”}”(hhh]”(h¶)”}”(hŒMemory hotplug event notifier”h]”hŒMemory hotplug event notifier”…””}”(hhÈhžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1hµhhÅhžhhŸh¯h KubhŒ paragraph”“”)”}”(hŒ4Hotplugging events are sent to a notification queue.”h]”hŒ4Hotplugging events are sent to a notification queue.”…””}”(hhØhžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1hÖhŸh¯h K hhÅhžhubh×)”}”(hŒJThere are six types of notification defined in ``include/linux/memory.h``:”h]”(hŒ/There are six types of notification defined in ”…””}”(hhæhžhhŸNh NubhŒliteral”“”)”}”(hŒ``include/linux/memory.h``”h]”hŒinclude/linux/memory.h”…””}”(hhðhžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1hîhhæubhŒ:”…””}”(hhæhžhhŸNh Nubeh}”(h]”h ]”h"]”h$]”h&]”uh1hÖhŸh¯h K hhÅhžhubhŒdefinition_list”“”)”}”(hhh]”(hŒdefinition_list_item”“”)”}”(hŒ¿MEM_GOING_ONLINE Generated before new memory becomes available in order to be able to prepare subsystems to handle memory. The page allocator is still unable to allocate from the new memory. ”h]”(hŒterm”“”)”}”(hŒMEM_GOING_ONLINE”h]”hŒMEM_GOING_ONLINE”…””}”(hjhžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1jhŸh¯h KhjubhŒ definition”“”)”}”(hhh]”h×)”}”(hŒ­Generated before new memory becomes available in order to be able to prepare subsystems to handle memory. The page allocator is still unable to allocate from the new memory.”h]”hŒ­Generated before new memory becomes available in order to be able to prepare subsystems to handle memory. The page allocator is still unable to allocate from the new memory.”…””}”(hj(hžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1hÖhŸh¯h Khj%ubah}”(h]”h ]”h"]”h$]”h&]”uh1j#hjubeh}”(h]”h ]”h"]”h$]”h&]”uh1j hŸh¯h Khj ubj)”}”(hŒ7MEM_CANCEL_ONLINE Generated if MEM_GOING_ONLINE fails. ”h]”(j)”}”(hŒMEM_CANCEL_ONLINE”h]”hŒMEM_CANCEL_ONLINE”…””}”(hjFhžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1jhŸh¯h KhjBubj$)”}”(hhh]”h×)”}”(hŒ$Generated if MEM_GOING_ONLINE fails.”h]”hŒ$Generated if MEM_GOING_ONLINE fails.”…””}”(hjWhžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1hÖhŸh¯h KhjTubah}”(h]”h ]”h"]”h$]”h&]”uh1j#hjBubeh}”(h]”h ]”h"]”h$]”h&]”uh1j hŸh¯h Khj hžhubj)”}”(hŒwMEM_ONLINE Generated when memory has successfully brought online. The callback may allocate pages from the new memory. ”h]”(j)”}”(hŒ MEM_ONLINE”h]”hŒ MEM_ONLINE”…””}”(hjuhžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1jhŸh¯h Khjqubj$)”}”(hhh]”h×)”}”(hŒkGenerated when memory has successfully brought online. The callback may allocate pages from the new memory.”h]”hŒkGenerated when memory has successfully brought online. The callback may allocate pages from the new memory.”…””}”(hj†hžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1hÖhŸh¯h Khjƒubah}”(h]”h ]”h"]”h$]”h&]”uh1j#hjqubeh}”(h]”h ]”h"]”h$]”h&]”uh1j hŸh¯h Khj hžhubj)”}”(hXMEM_GOING_OFFLINE Generated to begin the process of offlining memory. Allocations are no longer possible from the memory but some of the memory to be offlined is still in use. The callback can be used to free memory known to a subsystem from the indicated memory block. ”h]”(j)”}”(hŒMEM_GOING_OFFLINE”h]”hŒMEM_GOING_OFFLINE”…””}”(hj¤hžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1jhŸh¯h Khj ubj$)”}”(hhh]”h×)”}”(hŒûGenerated to begin the process of offlining memory. Allocations are no longer possible from the memory but some of the memory to be offlined is still in use. The callback can be used to free memory known to a subsystem from the indicated memory block.”h]”hŒûGenerated to begin the process of offlining memory. Allocations are no longer possible from the memory but some of the memory to be offlined is still in use. The callback can be used to free memory known to a subsystem from the indicated memory block.”…””}”(hjµhžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1hÖhŸh¯h Khj²ubah}”(h]”h ]”h"]”h$]”h&]”uh1j#hj ubeh}”(h]”h ]”h"]”h$]”h&]”uh1j hŸh¯h Khj hžhubj)”}”(hŒ‡MEM_CANCEL_OFFLINE Generated if MEM_GOING_OFFLINE fails. Memory is available again from the memory block that we attempted to offline. ”h]”(j)”}”(hŒMEM_CANCEL_OFFLINE”h]”hŒMEM_CANCEL_OFFLINE”…””}”(hjÓhžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1jhŸh¯h K"hjÏubj$)”}”(hhh]”h×)”}”(hŒsGenerated if MEM_GOING_OFFLINE fails. Memory is available again from the memory block that we attempted to offline.”h]”hŒsGenerated if MEM_GOING_OFFLINE fails. Memory is available again from the memory block that we attempted to offline.”…””}”(hjähžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1hÖhŸh¯h K!hjáubah}”(h]”h ]”h"]”h$]”h&]”uh1j#hjÏubeh}”(h]”h ]”h"]”h$]”h&]”uh1j hŸh¯h K"hj hžhubj)”}”(hŒ:MEM_OFFLINE Generated after offlining memory is complete. ”h]”(j)”}”(hŒ MEM_OFFLINE”h]”hŒ MEM_OFFLINE”…””}”(hjhžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1jhŸh¯h K%hjþubj$)”}”(hhh]”h×)”}”(hŒ-Generated after offlining memory is complete.”h]”hŒ-Generated after offlining memory is complete.”…””}”(hjhžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1hÖhŸh¯h K%hjubah}”(h]”h ]”h"]”h$]”h&]”uh1j#hjþubeh}”(h]”h ]”h"]”h$]”h&]”uh1j hŸh¯h K%hj hžhubeh}”(h]”h ]”h"]”h$]”h&]”uh1jhhÅhžhhŸh¯h Nubh×)”}”(hŒ1A callback routine can be registered by calling::”h]”hŒ0A callback routine can be registered by calling:”…””}”(hj3hžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1hÖhŸh¯h K'hhÅhžhubhŒ literal_block”“”)”}”(hŒ0hotplug_memory_notifier(callback_func, priority)”h]”hŒ0hotplug_memory_notifier(callback_func, priority)”…””}”hjCsbah}”(h]”h ]”h"]”h$]”h&]”Œ xml:space”Œpreserve”uh1jAhŸh¯h K)hhÅhžhubh×)”}”(hŒiCallback functions with higher values of priority are called before callback functions with lower values.”h]”hŒiCallback functions with higher values of priority are called before callback functions with lower values.”…””}”(hjShžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1hÖhŸh¯h K+hhÅhžhubh×)”}”(hŒ7A callback function must have the following prototype::”h]”hŒ6A callback function must have the following prototype:”…””}”(hjahžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1hÖhŸh¯h K.hhÅhžhubjB)”}”(hŒSint callback_func( struct notifier_block *self, unsigned long action, void *arg);”h]”hŒSint callback_func( struct notifier_block *self, unsigned long action, void *arg);”…””}”hjosbah}”(h]”h ]”h"]”h$]”h&]”jQjRuh1jAhŸh¯h K0hhÅhžhubh×)”}”(hXThe first argument of the callback function (self) is a pointer to the block of the notifier chain that points to the callback function itself. The second argument (action) is one of the event types described above. The third argument (arg) passes a pointer of struct memory_notify::”h]”hXThe first argument of the callback function (self) is a pointer to the block of the notifier chain that points to the callback function itself. The second argument (action) is one of the event types described above. The third argument (arg) passes a pointer of struct memory_notify:”…””}”(hj}hžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1hÖhŸh¯h K3hhÅhžhubjB)”}”(hŒžstruct memory_notify { unsigned long start_pfn; unsigned long nr_pages; int status_change_nid_normal; int status_change_nid; }”h]”hŒžstruct memory_notify { unsigned long start_pfn; unsigned long nr_pages; int status_change_nid_normal; int status_change_nid; }”…””}”hj‹sbah}”(h]”h ]”h"]”h$]”h&]”jQjRuh1jAhŸh¯h K8hhÅhžhubhŒ bullet_list”“”)”}”(hhh]”(hŒ list_item”“”)”}”(hŒ0start_pfn is start_pfn of online/offline memory.”h]”h×)”}”(hj¢h]”hŒ0start_pfn is start_pfn of online/offline memory.”…””}”(hj¤hžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1hÖhŸh¯h K?hj ubah}”(h]”h ]”h"]”h$]”h&]”uh1jžhj›hžhhŸh¯h NubjŸ)”}”(hŒ0nr_pages is # of pages of online/offline memory.”h]”h×)”}”(hj¹h]”hŒ0nr_pages is # of pages of online/offline memory.”…””}”(hj»hžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1hÖhŸh¯h K@hj·ubah}”(h]”h ]”h"]”h$]”h&]”uh1jžhj›hžhhŸh¯h NubjŸ)”}”(hŒ”status_change_nid_normal is set node id when N_NORMAL_MEMORY of nodemask is (will be) set/clear, if this is -1, then nodemask status is not changed.”h]”h×)”}”(hŒ”status_change_nid_normal is set node id when N_NORMAL_MEMORY of nodemask is (will be) set/clear, if this is -1, then nodemask status is not changed.”h]”hŒ”status_change_nid_normal is set node id when N_NORMAL_MEMORY of nodemask is (will be) set/clear, if this is -1, then nodemask status is not changed.”…””}”(hjÒhžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1hÖhŸh¯h KAhjÎubah}”(h]”h ]”h"]”h$]”h&]”uh1jžhj›hžhhŸh¯h NubjŸ)”}”(hXAstatus_change_nid is set node id when N_MEMORY of nodemask is (will be) set/clear. It means a new(memoryless) node gets new memory by online and a node loses all memory. If this is -1, then nodemask status is not changed. If status_changed_nid* >= 0, callback should create/discard structures for the node if necessary. ”h]”(h×)”}”(hŒÝstatus_change_nid is set node id when N_MEMORY of nodemask is (will be) set/clear. It means a new(memoryless) node gets new memory by online and a node loses all memory. If this is -1, then nodemask status is not changed.”h]”hŒÝstatus_change_nid is set node id when N_MEMORY of nodemask is (will be) set/clear. It means a new(memoryless) node gets new memory by online and a node loses all memory. If this is -1, then nodemask status is not changed.”…””}”(hjêhžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1hÖhŸh¯h KChjæubh×)”}”(hŒaIf status_changed_nid* >= 0, callback should create/discard structures for the node if necessary.”h]”hŒaIf status_changed_nid* >= 0, callback should create/discard structures for the node if necessary.”…””}”(hjøhžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1hÖhŸh¯h KGhjæubeh}”(h]”h ]”h"]”h$]”h&]”uh1jžhj›hžhhŸh¯h Nubeh}”(h]”h ]”h"]”h$]”h&]”Œbullet”Œ-”uh1j™hŸh¯h K?hhÅhžhubh×)”}”(hŒ‹The callback routine shall return one of the values NOTIFY_DONE, NOTIFY_OK, NOTIFY_BAD, NOTIFY_STOP defined in ``include/linux/notifier.h``”h]”(hŒoThe callback routine shall return one of the values NOTIFY_DONE, NOTIFY_OK, NOTIFY_BAD, NOTIFY_STOP defined in ”…””}”(hjhžhhŸNh Nubhï)”}”(hŒ``include/linux/notifier.h``”h]”hŒinclude/linux/notifier.h”…””}”(hjhžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1hîhjubeh}”(h]”h ]”h"]”h$]”h&]”uh1hÖhŸh¯h KJhhÅhžhubh×)”}”(hŒCNOTIFY_DONE and NOTIFY_OK have no effect on the further processing.”h]”hŒCNOTIFY_DONE and NOTIFY_OK have no effect on the further processing.”…””}”(hj0hžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1hÖhŸh¯h KNhhÅhžhubh×)”}”(hŒºNOTIFY_BAD is used as response to the MEM_GOING_ONLINE, MEM_GOING_OFFLINE, MEM_ONLINE, or MEM_OFFLINE action to cancel hotplugging. It stops further processing of the notification queue.”h]”hŒºNOTIFY_BAD is used as response to the MEM_GOING_ONLINE, MEM_GOING_OFFLINE, MEM_ONLINE, or MEM_OFFLINE action to cancel hotplugging. It stops further processing of the notification queue.”…””}”(hj>hžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1hÖhŸh¯h KPhhÅhžhubh×)”}”(hŒ?NOTIFY_STOP stops further processing of the notification queue.”h]”hŒ?NOTIFY_STOP stops further processing of the notification queue.”…””}”(hjLhžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1hÖhŸh¯h KThhÅhžhubeh}”(h]”Œmemory-hotplug-event-notifier”ah ]”h"]”Œmemory hotplug event notifier”ah$]”h&]”uh1h°hh²hžhhŸh¯h Kubh±)”}”(hhh]”(h¶)”}”(hŒLocking Internals”h]”hŒLocking Internals”…””}”(hjehžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1hµhjbhžhhŸh¯h KWubh×)”}”(hŒzWhen adding/removing memory that uses memory block devices (i.e. ordinary RAM), the device_hotplug_lock should be held to:”h]”hŒzWhen adding/removing memory that uses memory block devices (i.e. ordinary RAM), the device_hotplug_lock should be held to:”…””}”(hjshžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1hÖhŸh¯h KYhjbhžhubjš)”}”(hhh]”(jŸ)”}”(hŒÿsynchronize against online/offline requests (e.g. via sysfs). This way, memory block devices can only be accessed (.online/.state attributes) by user space once memory has been fully added. And when removing memory, we know nobody is in critical sections.”h]”h×)”}”(hŒÿsynchronize against online/offline requests (e.g. via sysfs). This way, memory block devices can only be accessed (.online/.state attributes) by user space once memory has been fully added. And when removing memory, we know nobody is in critical sections.”h]”hŒÿsynchronize against online/offline requests (e.g. via sysfs). This way, memory block devices can only be accessed (.online/.state attributes) by user space once memory has been fully added. And when removing memory, we know nobody is in critical sections.”…””}”(hjˆhžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1hÖhŸh¯h K\hj„ubah}”(h]”h ]”h"]”h$]”h&]”uh1jžhjhžhhŸh¯h NubjŸ)”}”(hŒMsynchronize against CPU hotplug and similar (e.g. relevant for ACPI and PPC) ”h]”h×)”}”(hŒLsynchronize against CPU hotplug and similar (e.g. relevant for ACPI and PPC)”h]”hŒLsynchronize against CPU hotplug and similar (e.g. relevant for ACPI and PPC)”…””}”(hj hžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1hÖhŸh¯h K`hjœubah}”(h]”h ]”h"]”h$]”h&]”uh1jžhjhžhhŸh¯h Nubeh}”(h]”h ]”h"]”h$]”h&]”jjuh1j™hŸh¯h K\hjbhžhubh×)”}”(hŒ¬Especially, there is a possible lock inversion that is avoided using device_hotplug_lock when adding memory and user space tries to online that memory faster than expected:”h]”hŒ¬Especially, there is a possible lock inversion that is avoided using device_hotplug_lock when adding memory and user space tries to online that memory faster than expected:”…””}”(hjºhžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1hÖhŸh¯h Kbhjbhžhubjš)”}”(hhh]”(jŸ)”}”(hŒOdevice_online() will first take the device_lock(), followed by mem_hotplug_lock”h]”h×)”}”(hŒOdevice_online() will first take the device_lock(), followed by mem_hotplug_lock”h]”hŒOdevice_online() will first take the device_lock(), followed by mem_hotplug_lock”…””}”(hjÏhžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1hÖhŸh¯h KfhjËubah}”(h]”h ]”h"]”h$]”h&]”uh1jžhjÈhžhhŸh¯h NubjŸ)”}”(hŒ‘add_memory_resource() will first take the mem_hotplug_lock, followed by the device_lock() (while creating the devices, during bus_add_device()). ”h]”h×)”}”(hŒadd_memory_resource() will first take the mem_hotplug_lock, followed by the device_lock() (while creating the devices, during bus_add_device()).”h]”hŒadd_memory_resource() will first take the mem_hotplug_lock, followed by the device_lock() (while creating the devices, during bus_add_device()).”…””}”(hjçhžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1hÖhŸh¯h Khhjãubah}”(h]”h ]”h"]”h$]”h&]”uh1jžhjÈhžhhŸh¯h Nubeh}”(h]”h ]”h"]”h$]”h&]”jjuh1j™hŸh¯h Kfhjbhžhubh×)”}”(hŒlAs the device is visible to user space before taking the device_lock(), this can result in a lock inversion.”h]”hŒlAs the device is visible to user space before taking the device_lock(), this can result in a lock inversion.”…””}”(hjhžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1hÖhŸh¯h Kkhjbhžhubh×)”}”(hŒ×onlining/offlining of memory should be done via device_online()/ device_offline() - to make sure it is properly synchronized to actions via sysfs. Holding device_hotplug_lock is advised (to e.g. protect online_type)”h]”hŒ×onlining/offlining of memory should be done via device_online()/ device_offline() - to make sure it is properly synchronized to actions via sysfs. Holding device_hotplug_lock is advised (to e.g. protect online_type)”…””}”(hjhžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1hÖhŸh¯h Knhjbhžhubh×)”}”(hŒÛWhen adding/removing/onlining/offlining memory or adding/removing heterogeneous/device memory, we should always hold the mem_hotplug_lock in write mode to serialise memory hotplug (e.g. access to global/zone variables).”h]”hŒÛWhen adding/removing/onlining/offlining memory or adding/removing heterogeneous/device memory, we should always hold the mem_hotplug_lock in write mode to serialise memory hotplug (e.g. access to global/zone variables).”…””}”(hjhžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1hÖhŸh¯h Krhjbhžhubh×)”}”(hŒÝIn addition, mem_hotplug_lock (in contrast to device_hotplug_lock) in read mode allows for a quite efficient get_online_mems/put_online_mems implementation, so code accessing memory can protect from that memory vanishing.”h]”hŒÝIn addition, mem_hotplug_lock (in contrast to device_hotplug_lock) in read mode allows for a quite efficient get_online_mems/put_online_mems implementation, so code accessing memory can protect from that memory vanishing.”…””}”(hj+hžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1hÖhŸh¯h Kwhjbhžhubeh}”(h]”Œlocking-internals”ah ]”h"]”Œlocking internals”ah$]”h&]”uh1h°hh²hžhhŸh¯h KWubeh}”(h]”(h®Œid1”eh ]”h"]”(Œmemory hotplug”Œmemory_hotplug”eh$]”h&]”uh1h°hhhžhhŸh¯h KŒexpect_referenced_by_name”}”jGh£sŒexpect_referenced_by_id”}”h®h£subeh}”(h]”h ]”h"]”h$]”h&]”Œsource”h¯uh1hŒcurrent_source”NŒ current_line”NŒsettings”Œdocutils.frontend”ŒValues”“”)”}”(hµNŒ generator”NŒ datestamp”NŒ source_link”NŒ source_url”NŒ toc_backlinks”Œentry”Œfootnote_backlinks”KŒ sectnum_xform”KŒstrip_comments”NŒstrip_elements_with_classes”NŒ strip_classes”NŒ report_level”KŒ halt_level”KŒexit_status_level”KŒdebug”NŒwarning_stream”NŒ traceback”ˆŒinput_encoding”Œ utf-8-sig”Œinput_encoding_error_handler”Œstrict”Œoutput_encoding”Œutf-8”Œoutput_encoding_error_handler”jqŒerror_encoding”Œutf-8”Œerror_encoding_error_handler”Œbackslashreplace”Œ language_code”Œen”Œrecord_dependencies”NŒconfig”NŒ id_prefix”hŒauto_id_prefix”Œid”Œ dump_settings”NŒdump_internals”NŒdump_transforms”NŒdump_pseudo_xml”NŒexpose_internals”NŒstrict_visitor”NŒ_disable_config”NŒ_source”h¯Œ _destination”NŒ _config_files”]”Œ7/var/lib/git/docbuild/linux/Documentation/docutils.conf”aŒfile_insertion_enabled”ˆŒ raw_enabled”KŒline_length_limit”M'Œpep_references”NŒ pep_base_url”Œhttps://peps.python.org/”Œpep_file_url_template”Œpep-%04d”Œrfc_references”NŒ rfc_base_url”Œ&https://datatracker.ietf.org/doc/html/”Œ tab_width”KŒtrim_footnote_reference_space”‰Œsyntax_highlight”Œlong”Œ smart_quotes”ˆŒsmartquotes_locales”]”Œcharacter_level_inline_markup”‰Œdoctitle_xform”‰Œ docinfo_xform”KŒsectsubtitle_xform”‰Œ image_loading”Œlink”Œembed_stylesheet”‰Œcloak_email_addresses”ˆŒsection_self_link”‰Œenv”NubŒreporter”NŒindirect_targets”]”Œsubstitution_defs”}”Œsubstitution_names”}”Œrefnames”}”Œrefids”}”h®]”h£asŒnameids”}”(jGh®jFjCj_j\j>j;uŒ nametypes”}”(jGˆjF‰j_‰j>‰uh}”(h®h²jCh²j\hÅj;jbuŒ footnote_refs”}”Œ citation_refs”}”Œ autofootnotes”]”Œautofootnote_refs”]”Œsymbol_footnotes”]”Œsymbol_footnote_refs”]”Œ footnotes”]”Œ citations”]”Œautofootnote_start”KŒsymbol_footnote_start”KŒ id_counter”Œ collections”ŒCounter”“”}”jKs…”R”Œparse_messages”]”Œtransform_messages”]”hŒsystem_message”“”)”}”(hhh]”h×)”}”(hhh]”hŒ4Hyperlink target "memory-hotplug" is not referenced.”…””}”hjÛsbah}”(h]”h ]”h"]”h$]”h&]”uh1hÖhjØubah}”(h]”h ]”h"]”h$]”h&]”Œlevel”KŒtype”ŒINFO”Œsource”h¯Œline”Kuh1jÖubaŒ transformer”NŒ include_log”]”Œ decoration”Nhžhub.