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Commit 489a71b0 authored by Hiroshi Shimamoto's avatar Hiroshi Shimamoto Committed by Ingo Molnar
Browse files

sched: Update documentation and comments 



Change sched_*.c to sched/*.c in documentation and comments.

Signed-off-by: default avatarHiroshi Shimamoto <h-shimamoto@ct.jp.nec.com>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Link: http://lkml.kernel.org/r/4F795CAC.9080206@ct.jp.nec.com


Signed-off-by: default avatarIngo Molnar <mingo@kernel.org>
parent 436281c9

Documentation/scheduler/sched-design-CFS.txt

+3 −3
Original line number Diff line number Diff line
@@ -130,7 +130,7 @@ CFS implements three scheduling policies: 
    idle timer scheduler in order to avoid to get into priority

    inversion problems which would deadlock the machine.



SCHED_FIFO/_RR are implemented in sched_rt.c and are as specified by

SCHED_FIFO/_RR are implemented in sched/rt.c and are as specified by

POSIX.



The command chrt from util-linux-ng 2.13.1.1 can set all of these except
@@ -145,9 +145,9 @@ Classes," an extensible hierarchy of scheduler modules. These modules 
encapsulate scheduling policy details and are handled by the scheduler core

without the core code assuming too much about them.



sched_fair.c implements the CFS scheduler described above.

sched/fair.c implements the CFS scheduler described above.



sched_rt.c implements SCHED_FIFO and SCHED_RR semantics, in a simpler way than

sched/rt.c implements SCHED_FIFO and SCHED_RR semantics, in a simpler way than

the previous vanilla scheduler did.  It uses 100 runqueues (for all 100 RT

priority levels, instead of 140 in the previous scheduler) and it needs no

expired array.

include/linux/sched.h

+1 −1
Original line number Diff line number Diff line
@@ -1950,7 +1950,7 @@ static inline int set_cpus_allowed(struct task_struct *p, cpumask_t new_mask) 
 */

extern unsigned long long notrace sched_clock(void);

/*

 * See the comment in kernel/sched_clock.c

 * See the comment in kernel/sched/clock.c

 */

extern u64 cpu_clock(int cpu);

extern u64 local_clock(void);

kernel/sched/idle_task.c

+1 −1
Original line number Diff line number Diff line
@@ -4,7 +4,7 @@ 
 * idle-task scheduling class.

 *

 * (NOTE: these are not related to SCHED_IDLE tasks which are

 *  handled in sched_fair.c)

 *  handled in sched/fair.c)

 */



#ifdef CONFIG_SMP