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Peter Zijlstra c22402a2f7 sched/fair: Let minimally loaded cpu balance the group 
Currently we let the leftmost (or first idle) cpu ascend the
sched_domain tree and perform load-balancing. The result is that the
busiest cpu in the group might be performing this function and pull
more load to itself. The next load balance pass will then try to
equalize this again.

Change this to pick the least loaded cpu to perform higher domain
balancing.

Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Link: http://lkml.kernel.org/n/tip-v8zlrmgmkne3bkcy9dej1fvm@git.kernel.org
Signed-off-by: Ingo Molnar <mingo@kernel.org>
2012-05-09 15:00:51 +02:00
..
debug
KGDB/KDB regression fixes
2012-04-04 17:26:08 -07:00
events
perf: Fix perf_event_for_each() to use sibling
2012-04-26 13:51:31 +02:00
gcov
gcov: disable CONSTRUCTORS for UML
2011-07-26 16:49:45 -07:00
irq
irq: hide debug macros so they don't collide with others.
2012-04-23 12:30:03 -04:00
power
PM / Hibernate: fix the number of pages used for hibernate/thaw buffering
2012-04-24 23:53:28 +02:00
sched
sched/fair: Let minimally loaded cpu balance the group
2012-05-09 15:00:51 +02:00
time
tick: Fix the spurious broadcast timer ticks after resume
2012-04-19 21:27:50 +02:00
trace
tracing: Fix stacktrace of latency tracers (irqsoff and friends)
2012-04-19 17:00:13 -04:00
.gitignore
…
acct.c
Merge branch 'for-linus2' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
2012-01-08 12:19:57 -08:00
async.c
kernel/async: remove redundant declaration.
2012-01-13 09:32:18 +10:30
audit_tree.c
audit_tree,rcu: Convert call_rcu(__put_tree) to kfree_rcu()
2011-07-20 14:10:11 -07:00
audit_watch.c
kill path_lookup()
2011-03-14 09:15:23 -04:00
audit.c
constify path argument of audit_log_d_path()
2012-03-20 21:29:40 -04:00
audit.h
audit: remove AUDIT_SETUP_CONTEXT as it isn't used
2012-01-17 16:16:57 -05:00
auditfilter.c
audit: allow interfield comparison in audit rules
2012-01-17 16:17:01 -05:00
auditsc.c
kernel-doc: fix new warnings in auditsc.c
2012-01-23 08:44:53 -08:00
backtracetest.c
…
bounds.c
memcg: remove direct page_cgroup-to-page pointer
2011-03-23 19:46:28 -07:00
capability.c
Revert "capabitlies: ns_capable can use the cap helpers rather than lsm call"
2012-01-17 10:19:41 -08:00
cgroup_freezer.c
cgroup: remove cgroup_subsys argument from callbacks
2012-02-02 09:20:22 -08:00
cgroup.c
cgroup: cgroup_attach_task() could return -errno after success
2012-03-29 22:03:33 -07:00
compat.c
compat: Add helper functions to read/write struct timeval, timespec
2012-02-20 12:48:47 -08:00
configs.c
kernel/configs.c: include MODULE_*() when CONFIG_IKCONFIG_PROC=n
2011-07-25 20:57:15 -07:00
cpu_pm.c
cpu_pm: call notifiers during suspend
2011-09-23 12:05:29 +05:30
cpu.c
Merge branch 'pm-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
2012-01-08 13:10:57 -08:00
cpuset.c
Autogenerated GPG tag for Rusty D1ADB8F1: 15EE 8D6C AB0E 7F0C F999 BFCB D920 0E6C D1AD B8F1
2012-04-02 08:53:24 -07:00
crash_dump.c
Merge branch 'modsplit-Oct31_2011' of git://git.kernel.org/pub/scm/linux/kernel/git/paulg/linux
2011-11-06 19:44:47 -08:00
cred.c
cred: copy_process() should clear child->replacement_session_keyring
2012-04-11 08:20:11 -07:00
delayacct.c
KVM: Steal time implementation
2011-07-14 12:59:14 +03:00
dma.c
Remove all #inclusions of asm/system.h
2012-03-28 18:30:03 +01:00
elfcore.c
…
exec_domain.c
…
exit.c
Merge branch 'x86-x32-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
2012-03-29 18:12:23 -07:00
extable.c
extable, core_kernel_data(): Make sure all archs define _sdata
2011-05-20 08:56:56 +02:00
fork.c
prctl: add PR_{SET,GET}_CHILD_SUBREAPER to allow simple process supervision
2012-03-23 16:58:32 -07:00
freezer.c
PM / Freezer: Remove references to TIF_FREEZE in comments
2012-03-04 23:08:54 +01:00
futex_compat.c
futex: Mark get_robust_list as deprecated
2012-03-29 11:37:17 +02:00
futex.c
futex: Mark get_robust_list as deprecated
2012-03-29 11:37:17 +02:00
groups.c
kernel: Map most files to use export.h instead of module.h
2011-10-31 09:20:12 -04:00
hrtimer.c
Merge branch 'timers-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
2011-11-28 08:43:52 -08:00
hung_task.c
hung_task: fix the broken rcu_lock_break() logic
2012-03-05 15:49:42 -08:00
irq_work.c
irq_work: fix compile failure on tile from missing include
2012-04-13 13:15:16 -04:00
itimer.c
itimer: Use printk_once instead of WARN_ONCE
2012-04-10 11:00:30 +02:00
jump_label.c
static keys: Inline the static_key_enabled() function
2012-02-28 20:01:08 +01:00
kallsyms.c
Merge branch 'core-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip
2011-03-25 17:52:22 -07:00
Kconfig.freezer
…
Kconfig.hz
…
Kconfig.locks
locking/kconfig: Simplify INLINE_SPIN_UNLOCK usage
2012-03-23 13:18:57 +01:00
Kconfig.preempt
locking/kconfig: Simplify INLINE_SPIN_UNLOCK usage
2012-03-23 13:18:57 +01:00
kexec.c
Merge branch 'akpm' (Andrew's patch-bomb)
2012-03-28 17:19:28 -07:00
kfifo.c
kernel: Map most files to use export.h instead of module.h
2011-10-31 09:20:12 -04:00
kmod.c
PM / Sleep: Mitigate race between the freezer and request_firmware()
2012-03-28 23:30:28 +02:00
kprobes.c
kprobes: return proper error code from register_kprobe()
2012-03-05 15:49:42 -08:00
ksysfs.c
kernel: ksysfs.c is implicitly using stat.h
2011-10-31 09:20:13 -04:00
kthread.c
freezer: kill unused set_freezable_with_signal()
2011-11-23 09:28:17 -08:00
latencytop.c
kernel: Map most files to use export.h instead of module.h
2011-10-31 09:20:12 -04:00
lockdep_internals.h
…
lockdep_proc.c
kernel: Map most files to use export.h instead of module.h
2011-10-31 09:20:12 -04:00
lockdep_states.h
…
lockdep.c
lockdep: Add CPU-idle/offline warning to lockdep-RCU splat
2012-02-21 09:06:06 -08:00
Makefile
sysctl: Move the implementation into fs/proc/proc_sysctl.c
2012-01-24 16:37:54 -08:00
module.c
module: Remove module size limit
2012-03-26 12:50:53 +10:30
mutex-debug.c
kernel: Map most files to use export.h instead of module.h
2011-10-31 09:20:12 -04:00
mutex-debug.h
mutex: Use p->on_cpu for the adaptive spin
2011-04-14 08:52:33 +02:00
mutex.c
sched/rt: Use schedule_preempt_disabled()
2012-03-01 10:28:03 +01:00
mutex.h
mutex: Use p->on_cpu for the adaptive spin
2011-04-14 08:52:33 +02:00
notifier.c
kernel: Map most files to use export.h instead of module.h
2011-10-31 09:20:12 -04:00
nsproxy.c
kernel: Map most files to use export.h instead of module.h
2011-10-31 09:20:12 -04:00
padata.c
padata: Fix cpu hotplug
2012-03-29 19:52:46 +08:00
panic.c
panic: fix stack dump print on direct call to panic()
2012-04-12 13:12:12 -07:00
params.c
params: <level>_initcall-like kernel parameters
2012-03-26 12:50:51 +10:30
pid_namespace.c
pidns: add reboot_pid_ns() to handle the reboot syscall
2012-03-28 17:14:36 -07:00
pid.c
vfs: fix panic in __d_lookup() with high dentry hashtable counts
2012-02-13 20:45:38 -05:00
posix-cpu-timers.c
[S390] cputime: add sparse checking and cleanup
2011-12-15 14:56:19 +01:00
posix-timers.c
kernel: Map most files to use export.h instead of module.h
2011-10-31 09:20:12 -04:00
printk.c
Merge branch 'sched-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
2012-03-20 10:31:44 -07:00
profile.c
kernel: Map most files to use export.h instead of module.h
2011-10-31 09:20:12 -04:00
ptrace.c
ptrace: remove PTRACE_SEIZE_DEVEL bit
2012-03-23 16:58:41 -07:00
range.c
range: fix bogus misuse of module.h to get printk()
2011-10-31 09:20:11 -04:00
rcu.h
rcu: Allow nesting of rcu_idle_enter() and rcu_idle_exit()
2012-02-21 09:06:12 -08:00
rcupdate.c
rcu: Check for illegal use of RCU from offlined CPUs
2012-02-21 09:06:03 -08:00
rcutiny_plugin.h
rcu: Simplify unboosting checks
2012-02-21 09:03:43 -08:00
rcutiny.c
rcu: Add RCU_NONIDLE() for idle-loop RCU read-side critical sections
2012-02-21 09:06:13 -08:00
rcutorture.c
PTR_ERR should be called before its argument is cleared.
2012-02-21 09:06:10 -08:00
rcutree_plugin.h
rcu: Hold off RCU_FAST_NO_HZ after timer posted
2012-02-21 09:42:30 -08:00
rcutree_trace.c
rcu: Rework detection of use of RCU by offline CPUs
2012-02-21 09:06:07 -08:00
rcutree.c
rcu: Permit call_rcu() from CPU_DYING notifiers
2012-04-17 07:30:54 -07:00
rcutree.h
rcu: Rework detection of use of RCU by offline CPUs
2012-02-21 09:06:07 -08:00
relay.c
relay: prevent integer overflow in relay_open()
2012-02-10 09:04:49 +01:00
res_counter.c
net: introduce res_counter_charge_nofail() for socket allocations
2012-01-22 15:08:46 -05:00
resource.c
kernel/resource.c: move EXPORT_SYMBOL right after definition
2012-02-03 23:37:07 +01:00
rtmutex_common.h
rtmutex: Simplify PI algorithm and make highest prio task get lock
2011-01-27 21:13:51 -05:00
rtmutex-debug.c
lockdep, rtmutex, bug: Show taint flags on error
2011-12-06 08:16:49 +01:00
rtmutex-debug.h
…
rtmutex-tester.c
rtmutex-tester: convert sysdev_class to a regular subsystem
2011-12-14 14:54:22 -08:00
rtmutex.c
Revert "rcu: Permit rt_mutex_unlock() with irqs disabled"
2011-12-11 10:33:18 -08:00
rtmutex.h
…
rwsem.c
Remove all #inclusions of asm/system.h
2012-03-28 18:30:03 +01:00
seccomp.c
seccomp: audit abnormal end to a process due to seccomp
2012-01-17 16:16:55 -05:00
semaphore.c
kernel: Map most files to use export.h instead of module.h
2011-10-31 09:20:12 -04:00
signal.c
Disintegrate and delete asm/system.h
2012-03-28 15:58:21 -07:00
smp.c
smp: add func to IPI cpus based on parameter func
2012-03-28 17:14:35 -07:00
softirq.c
Merge branch 'timers-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
2012-03-20 10:32:09 -07:00
spinlock.c
locking/kconfig: Simplify INLINE_SPIN_UNLOCK usage
2012-03-23 13:18:57 +01:00
srcu.c
rcu: Call out dangers of expedited RCU primitives
2012-02-21 09:06:08 -08:00
stacktrace.c
kernel: Map most files to use export.h instead of module.h
2011-10-31 09:20:12 -04:00
stop_machine.c
Merge branch 'modsplit-Oct31_2011' of git://git.kernel.org/pub/scm/linux/kernel/git/paulg/linux
2011-11-06 19:44:47 -08:00
sys_ni.c
Cross Memory Attach
2011-10-31 17:30:44 -07:00
sys.c
pidns: add reboot_pid_ns() to handle the reboot syscall
2012-03-28 17:14:36 -07:00
sysctl_binary.c
binary_sysctl(): fix memory leak
2011-12-20 10:25:04 -08:00
sysctl.c
sysctl: fix write access to dmesg_restrict/kptr_restrict
2012-04-05 14:51:43 +10:00
taskstats.c
Make TASKSTATS require root access
2011-09-19 17:04:37 -07:00
test_kprobes.c
kprobes: Fix selftest to clear flags field for reusing probes
2010-10-14 08:55:27 +02:00
time.c
time: Remove bogus comments
2012-03-15 18:17:55 -07:00
timeconst.pl
…
timer.c
Merge branch 'core-debugobjects-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
2012-01-06 07:53:34 -08:00
tracepoint.c
static keys: Introduce 'struct static_key', static_key_true()/false() and static_key_slow_[inc|dec]()
2012-02-24 10:05:59 +01:00
tsacct.c
[S390] cputime: add sparse checking and cleanup
2011-12-15 14:56:19 +01:00
uid16.c
userns: user namespaces: convert several capable() calls
2011-03-23 19:47:08 -07:00
up.c
kernel: Map most files to use export.h instead of module.h
2011-10-31 09:20:12 -04:00
user_namespace.c
kernel: Map most files to use export.h instead of module.h
2011-10-31 09:20:12 -04:00
user-return-notifier.c
kernel: Map most files to use export.h instead of module.h
2011-10-31 09:20:12 -04:00
user.c
kernel: Map most files to use export.h instead of module.h
2011-10-31 09:20:12 -04:00
utsname_sysctl.c
Merge branch 'modsplit-Oct31_2011' of git://git.kernel.org/pub/scm/linux/kernel/git/paulg/linux
2011-11-06 19:44:47 -08:00
utsname.c
kernel: Map most files to use export.h instead of module.h
2011-10-31 09:20:12 -04:00
wait.c
lockdep/waitqueues: Add better annotation
2011-12-21 10:07:39 +01:00
watchdog.c
kernel/watchdog.c: add comment to watchdog() exit path
2012-03-23 16:58:32 -07:00
workqueue_sched.h
…
workqueue.c
Merge branch 'for-3.4' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/wq
2012-03-20 18:13:22 -07:00