[PATCH] sched: cleanup task_activated()
The activated flag in task_struct is used to track different sleep types and
its usage is somewhat obfuscated. Convert the variable to an enum with more
descriptive names without altering the function.
Signed-off-by: Con Kolivas <kernel@kolivas.org>
Acked-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
diff --git a/include/linux/sched.h b/include/linux/sched.h
index ab84adf..c4fd3fc 100644
--- a/include/linux/sched.h
+++ b/include/linux/sched.h
@@ -684,6 +684,13 @@
struct audit_context; /* See audit.c */
struct mempolicy;
+enum sleep_type {
+ SLEEP_NORMAL,
+ SLEEP_NONINTERACTIVE,
+ SLEEP_INTERACTIVE,
+ SLEEP_INTERRUPTED,
+};
+
struct task_struct {
volatile long state; /* -1 unrunnable, 0 runnable, >0 stopped */
struct thread_info *thread_info;
@@ -706,7 +713,7 @@
unsigned long sleep_avg;
unsigned long long timestamp, last_ran;
unsigned long long sched_time; /* sched_clock time spent running */
- int activated;
+ enum sleep_type sleep_type;
unsigned long policy;
cpumask_t cpus_allowed;