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sched/dl/Documentation: Correct the definition of density as C_i/min{D_i,P_i} 

C_i/min{D_i,T_i}, where T_i is not referred before, should be
substituted with C_i/min{D_i,P_i}.

Signed-off-by: Zhiqiang Zhang <zhangzhiqiang.zhang@huawei.com>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: henrik@austad.us
Cc: juri.lelli@gmail.com
Cc: raistlin@linux.it
Link: http://lkml.kernel.org/r/1431954032-16473-2-git-send-email-luca.abeni@unitn.it
Signed-off-by: Ingo Molnar <mingo@kernel.org>
This commit is contained in:
Zhiqiang Zhang 2015-05-18 15:00:24 +02:00 committed by Ingo Molnar
parent c1ceac6276
commit 3aed357ee4
1 changed files with 2 additions and 2 deletions
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4
Documentation/scheduler/sched-deadline.txt
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@ -169,8 +169,8 @@ CONTENTS
of all the tasks executing on a CPU if and only if the total utilisation
of the tasks running on such a CPU is smaller or equal than 1.
If D_i != P_i for some task, then it is possible to define the density of
a task as C_i/min{D_i,T_i}, and EDF is able to respect all the deadlines
of all the tasks running on a CPU if the sum sum_i C_i/min{D_i,T_i} of the
a task as C_i/min{D_i,P_i}, and EDF is able to respect all the deadlines
of all the tasks running on a CPU if the sum sum_i C_i/min{D_i,P_i} of the
densities of the tasks running on such a CPU is smaller or equal than 1
(notice that this condition is only sufficient, and not necessary).