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authorDmitry Torokhov <dmitry.torokhov@gmail.com>2025-12-13 01:18:20 -0800
committerDmitry Torokhov <dmitry.torokhov@gmail.com>2025-12-13 01:18:20 -0800
commita4a508df2aa34f8650afde54ea804321c618f45f (patch)
treef75f10e7c54f991d7d859f8cbdcc8bcaed5bbd6f /include/linux/kernel.h
parentc4b3133c6a2fc283cb3d34c64d40ed2fa254b608 (diff)
parent7d0a66e4bb9081d75c82ec4957c50034cb0ea449 (diff)
Merge tag 'v6.18' into next
Sync up with the mainline to bring in the latest APIs.
Diffstat (limited to 'include/linux/kernel.h')
-rw-r--r--include/linux/kernel.h21
1 files changed, 17 insertions, 4 deletions
diff --git a/include/linux/kernel.h b/include/linux/kernel.h
index 989315dabb86..5b46924fdff5 100644
--- a/include/linux/kernel.h
+++ b/include/linux/kernel.h
@@ -164,11 +164,23 @@ extern int root_mountflags;
extern bool early_boot_irqs_disabled;
-/*
- * Values used for system_state. Ordering of the states must not be changed
+/**
+ * enum system_states - Values used for system_state.
+ *
+ * @SYSTEM_BOOTING: %0, no init needed
+ * @SYSTEM_SCHEDULING: system is ready for scheduling; OK to use RCU
+ * @SYSTEM_FREEING_INITMEM: system is freeing all of initmem; almost running
+ * @SYSTEM_RUNNING: system is up and running
+ * @SYSTEM_HALT: system entered clean system halt state
+ * @SYSTEM_POWER_OFF: system entered shutdown/clean power off state
+ * @SYSTEM_RESTART: system entered emergency power off or normal restart
+ * @SYSTEM_SUSPEND: system entered suspend or hibernate state
+ *
+ * Note:
+ * Ordering of the states must not be changed
* as code checks for <, <=, >, >= STATE.
*/
-extern enum system_states {
+enum system_states {
SYSTEM_BOOTING,
SYSTEM_SCHEDULING,
SYSTEM_FREEING_INITMEM,
@@ -177,7 +189,8 @@ extern enum system_states {
SYSTEM_POWER_OFF,
SYSTEM_RESTART,
SYSTEM_SUSPEND,
-} system_state;
+};
+extern enum system_states system_state;
/*
* General tracing related utility functions - trace_printk(),