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authorIngo Molnar <mingo@elte.hu>2005-09-10 00:26:12 -0700
committerLinus Torvalds <torvalds@g5.osdl.org>2005-09-10 10:06:22 -0700
commitd79fc0fc6645b0cf5cd980da76942ca6d6300fa4 (patch)
treee74aca1df1d37dbd7af66636a4e39a3f7e1af479 /include
parent95cdf3b799a481969a48d69a1a52916ad5da6694 (diff)
[PATCH] sched: TASK_NONINTERACTIVE
This patch implements a task state bit (TASK_NONINTERACTIVE), which can be used by blocking points to mark the task's wait as "non-interactive". This does not mean the task will be considered a CPU-hog - the wait will simply not have an effect on the waiting task's priority - positive or negative alike. Right now only pipe_wait() will make use of it, because it's a common source of not-so-interactive waits (kernel compilation jobs, etc.). Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'include')
-rw-r--r--include/linux/sched.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/include/linux/sched.h b/include/linux/sched.h
index 8a1fcfe80fc..ac70f845b5b 100644
--- a/include/linux/sched.h
+++ b/include/linux/sched.h
@@ -114,6 +114,7 @@ extern unsigned long nr_iowait(void);
#define TASK_TRACED 8
#define EXIT_ZOMBIE 16
#define EXIT_DEAD 32
+#define TASK_NONINTERACTIVE 64
#define __set_task_state(tsk, state_value) \
do { (tsk)->state = (state_value); } while (0)