Christoph Lameter 571f6d2fb0 [PATCH] sched: avoid taking rq lock in wake_priority_sleeper ...

Avoid taking the request queue lock in wake_priority_sleeper if there are no
running processes.

Signed-off-by: Christoph Lameter <clameter@sgi.com>
Cc: Peter Williams <pwil3058@bigpond.net.au>
Cc: Nick Piggin <nickpiggin@yahoo.com.au>
Cc: Christoph Lameter <clameter@sgi.com>
Cc: "Siddha, Suresh B" <suresh.b.siddha@intel.com>
Cc: "Chen, Kenneth W" <kenneth.w.chen@intel.com>
Cc: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
Acked-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

2006-12-10 09:55:42 -08:00

..

irq

[PATCH] CPEI gets warning at kernel/irq/migration.c:27/move_masked_irq()

2006-12-08 08:28:37 -08:00

power

[PATCH] struct seq_operations and struct file_operations constification

2006-12-07 08:39:46 -08:00

time

[PATCH] time_adjust cleared before use

2006-10-28 11:30:55 -07:00

.gitignore

…

acct.c

[PATCH] kernel: change uses of f_{dentry, vfsmnt} to use f_path

2006-12-08 08:28:42 -08:00

audit.c

[PATCH] Add include/linux/freezer.h and move definitions from sched.h

2006-12-07 08:39:27 -08:00

audit.h

…

auditfilter.c

[PATCH] kernel core: replace kmalloc+memset with kzalloc

2006-12-07 08:39:41 -08:00

auditsc.c

[PATCH] struct path: convert kernel

2006-12-08 08:28:46 -08:00

capability.c

…

compat.c

[PATCH] Create compat_sys_migrate_pages

2006-11-03 12:27:59 -08:00

configs.c

[PATCH] struct seq_operations and struct file_operations constification

2006-12-07 08:39:46 -08:00

cpu.c

[PATCH] suspend: don't change cpus_allowed for task initiating the suspend

2006-12-07 08:39:28 -08:00

cpuset.c

[PATCH] struct path: convert kernel

2006-12-08 08:28:46 -08:00

delayacct.c

[PATCH] slab: remove kmem_cache_t

2006-12-07 08:39:25 -08:00

dma.c

[PATCH] struct seq_operations and struct file_operations constification

2006-12-07 08:39:46 -08:00

exec_domain.c

…

exit.c

[PATCH] session_of_pgrp: kill unnecessary do_each_task_pid(PIDTYPE_PGID)

2006-12-08 08:28:52 -08:00

extable.c

…

fork.c

[PATCH] io-accounting: core statistics

2006-12-10 09:55:41 -08:00

futex_compat.c

[PATCH] __user annotations: futex

2006-10-10 15:37:22 -07:00

futex.c

[PATCH] kernel: change uses of f_{dentry, vfsmnt} to use f_path

2006-12-08 08:28:42 -08:00

hrtimer.c

…

itimer.c

…

kallsyms.c

[PATCH] move kallsyms data to .rodata

2006-12-08 08:28:37 -08:00

Kconfig.hz

[PATCH] HZ: 300Hz support

2006-12-07 08:39:36 -08:00

Kconfig.preempt

…

kexec.c

Merge branch 'release' of master.kernel.org:/pub/scm/linux/kernel/git/aegl/linux-2.6

2006-12-07 15:39:22 -08:00

kfifo.c

…

kmod.c

[PATCH] rename struct namespace to struct mnt_namespace

2006-12-08 08:28:51 -08:00

kprobes.c

[PATCH] kprobes: enable booster on the preemptible kernel

2006-12-07 08:39:38 -08:00

ksysfs.c

…

kthread.c

WorkStruct: Pass the work_struct pointer instead of context data

2006-11-22 14:55:48 +00:00

latency.c

[PATCH] severing module.h->sched.h

2006-12-04 02:00:22 -05:00

lockdep_internals.h

[PATCH] lockdep: more chains

2006-12-07 08:39:43 -08:00

lockdep_proc.c

[PATCH] struct seq_operations and struct file_operations constification

2006-12-07 08:39:46 -08:00

lockdep.c

Merge branch 'for-linus' of git://one.firstfloor.org/home/andi/git/linux-2.6

2006-12-07 08:59:11 -08:00

Makefile

[PATCH] srcu-3: RCU variant permitting read-side blocking

2006-10-04 07:55:30 -07:00

module.c

[PATCH] struct seq_operations and struct file_operations constification

2006-12-07 08:39:46 -08:00

mutex-debug.c

[PATCH] lockdep: show more details about self-test failures

2006-12-07 08:39:43 -08:00

mutex-debug.h

…

mutex.c

[PATCH] lockdep: avoid lockdep warning in md

2006-12-08 08:28:39 -08:00

mutex.h

…

nsproxy.c

[PATCH] to nsproxy

2006-12-08 08:28:52 -08:00

panic.c

…

params.c

…

pid.c

[PATCH] add child reaper to pid_namespace

2006-12-08 08:28:52 -08:00

posix-cpu-timers.c

[PATCH] posix-cpu-timers: prevent signal delivery starvation

2006-10-17 08:18:43 -07:00

posix-timers.c

[PATCH] slab: remove kmem_cache_t

2006-12-07 08:39:25 -08:00

printk.c

[PATCH] add ignore_loglevel boot option

2006-12-07 08:39:47 -08:00

profile.c

[PATCH] struct seq_operations and struct file_operations constification

2006-12-07 08:39:46 -08:00

ptrace.c

…

rcupdate.c

[PATCH] rcu: add a prefetch() in rcu_do_batch()

2006-12-07 08:39:40 -08:00

rcutorture.c

[PATCH] Add Sparse annotations to SRCU wrapper functions in rcutorture

2006-12-07 08:39:44 -08:00

relay.c

[PATCH] kernel: change uses of f_{dentry, vfsmnt} to use f_path

2006-12-08 08:28:42 -08:00

resource.c

[PATCH] struct seq_operations and struct file_operations constification

2006-12-07 08:39:46 -08:00

rtmutex_common.h

…

rtmutex-debug.c

Remove all inclusions of <linux/config.h>

2006-10-04 03:38:54 -04:00

rtmutex-debug.h

…

rtmutex-tester.c

[PATCH] Add include/linux/freezer.h and move definitions from sched.h

2006-12-07 08:39:27 -08:00

rtmutex.c

…

rtmutex.h

…

rwsem.c

…

sched.c

[PATCH] sched: avoid taking rq lock in wake_priority_sleeper

2006-12-10 09:55:42 -08:00

seccomp.c

…

signal.c

[PATCH] add child reaper to pid_namespace

2006-12-08 08:28:52 -08:00

softirq.c

[PATCH] softirq: remove BUG_ONs which can incorrectly trigger

2006-12-07 08:39:43 -08:00

softlockup.c

…

spinlock.c

[PATCH] lockdep: spin_lock_irqsave_nested()

2006-11-25 13:28:34 -08:00

srcu.c

[PATCH] SRCU: report out-of-memory errors

2006-10-04 07:55:30 -07:00

stacktrace.c

…

stop_machine.c

…

sys_ni.c

[PATCH] Create compat_sys_migrate_pages

2006-11-03 12:27:59 -08:00

sys.c

[PATCH] sys_setpgid: eliminate unnecessary do_each_task_pid(PIDTYPE_PGID)

2006-12-08 08:28:52 -08:00

sysctl.c

[PATCH] sysctl: remove unused "context" param

2006-12-10 09:55:41 -08:00

taskstats.c

[PATCH] taskstats: cleanup reply assembling

2006-12-07 08:39:34 -08:00

time.c

…

timer.c

…

tsacct.c

[PATCH] io-accounting: via taskstats

2006-12-10 09:55:41 -08:00

uid16.c

…

unwind.c

[PATCH] unwinder: move .eh_frame to RODATA

2006-12-07 02:14:19 +01:00

user.c

[PATCH] slab: remove kmem_cache_t

2006-12-07 08:39:25 -08:00

utsname.c

…

wait.c

…

workqueue.c

[PATCH] WorkStruct: Use direct assignment rather than cmpxchg()

2006-12-09 12:25:08 -08:00