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authorIngo Molnar <mingo@elte.hu>2006-06-27 05:54:51 -0400
committerLinus Torvalds <torvalds@g5.osdl.org>2006-06-27 20:32:46 -0400
commitb29739f902ee76a05493fb7d2303490fc75364f4 (patch)
tree1bf48dfb74752a7ef24a2a4a74c45da0aaec754b /include/linux/init_task.h
parent77ba89c5cf28d5d98a3cae17f67a3e42b102cc25 (diff)
[PATCH] pi-futex: scheduler support for pi
Add framework to boost/unboost the priority of RT tasks. This consists of: - caching the 'normal' priority in ->normal_prio - providing a functions to set/get the priority of the task - make sched_setscheduler() aware of boosting The effective_prio() cleanups also fix a priority-calculation bug pointed out by Andrey Gelman, in set_user_nice(). has_rt_policy() fix: Peter Williams <pwil3058@bigpond.net.au> Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Arjan van de Ven <arjan@linux.intel.com> Cc: Andrey Gelman <agelman@012.net.il> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'include/linux/init_task.h')
-rw-r--r--include/linux/init_task.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/include/linux/init_task.h b/include/linux/init_task.h
index e127ef7e8da8..678c1a90380d 100644
--- a/include/linux/init_task.h
+++ b/include/linux/init_task.h
@@ -87,6 +87,7 @@ extern struct group_info init_groups;
87 .lock_depth = -1, \ 87 .lock_depth = -1, \
88 .prio = MAX_PRIO-20, \ 88 .prio = MAX_PRIO-20, \
89 .static_prio = MAX_PRIO-20, \ 89 .static_prio = MAX_PRIO-20, \
90 .normal_prio = MAX_PRIO-20, \
90 .policy = SCHED_NORMAL, \ 91 .policy = SCHED_NORMAL, \
91 .cpus_allowed = CPU_MASK_ALL, \ 92 .cpus_allowed = CPU_MASK_ALL, \
92 .mm = NULL, \ 93 .mm = NULL, \
@@ -122,6 +123,7 @@ extern struct group_info init_groups;
122 .journal_info = NULL, \ 123 .journal_info = NULL, \
123 .cpu_timers = INIT_CPU_TIMERS(tsk.cpu_timers), \ 124 .cpu_timers = INIT_CPU_TIMERS(tsk.cpu_timers), \
124 .fs_excl = ATOMIC_INIT(0), \ 125 .fs_excl = ATOMIC_INIT(0), \
126 .pi_lock = SPIN_LOCK_UNLOCKED, \
125} 127}
126 128
127 129