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5436499e6098759c2340f8b906ea52f993dc4efb
linux/kernel
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Ken Chen 5436499e60 sched: fix sd_parent_degenerate on non-numa smp machine 
Impact: optimize the sched domains tree some more

The addition of SD_SERIALIZE flag added to SD_NODE_INIT prevented top level
dummy numa sched_domain to be properly degenerated on non-numa smp machine.
The reason is that in sd_parent_degenerate(), it found that the child and
parent does not have comon sched_domain flags due to SD_SERIALIZE.  However,
for non-numa smp box, the top level is a dummy with a single sched_group.

Filter out SD_SERIALIZE if it is on non-numa machine to properly degenerate
top level node sched_domain.  this will cut back some of the sd domain walk
in the load balancer code.

Signed-off-by: Ken Chen <kenchen@google.com>
Acked-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
2008-12-08 13:52:44 +01:00
..
irq
genirq: __irq_set_trigger: change pr_warning to pr_debug
2008-11-13 11:59:48 +01:00
power
suspend: use WARN not WARN_ON to print the message
2008-11-18 08:07:36 -08:00
time
nohz: disable tick_nohz_kick_tick() for now
2008-11-10 22:39:27 +01:00
trace
ftrace: prevent recursion
2008-11-27 10:11:53 +01:00
.gitignore
…
acct.c
tty: Fix abusers of current->sighand->tty
2008-10-13 09:51:42 -07:00
audit_tree.c
Fix inotify watch removal/umount races
2008-11-15 12:26:44 -08:00
audit.c
[PATCH] Fix the bug of using AUDIT_STATUS_RATE_LIMIT when set fail, no error output.
2008-08-01 12:15:16 -04:00
audit.h
…
auditfilter.c
Fix inotify watch removal/umount races
2008-11-15 12:26:44 -08:00
auditsc.c
tty: Fix abusers of current->sighand->tty
2008-10-13 09:51:42 -07:00
backtracetest.c
backtrace: replace timer with tasklet + completions
2008-06-27 18:09:16 +02:00
bounds.c
Add kbuild.h that contains common definitions for kbuild users
2008-04-29 08:06:29 -07:00
capability.c
security: Fix setting of PF_SUPERPRIV by __capable()
2008-08-14 22:59:43 +10:00
cgroup_debug.c
cgroups: fix probable race with put_css_set[_taskexit] and find_css_set
2008-10-20 08:52:38 -07:00
cgroup_freezer.c
freezer_cg: disable writing freezer.state of root cgroup
2008-11-12 17:17:16 -08:00
cgroup.c
cgroups: fix a serious bug in cgroupstats
2008-11-19 18:50:00 -08:00
compat.c
Merge branches 'timers/clocksource', 'timers/hrtimers', 'timers/nohz', 'timers/ntp', 'timers/posixtimers' and 'timers/debug' into v28-timers-for-linus
2008-10-20 13:14:06 +02:00
configs.c
kernel/configs.c: remove useless comments
2008-10-20 08:52:34 -07:00
cpu.c
cpuinit fixes in kernel/*
2008-11-30 10:03:37 -08:00
cpuset.c
sched, cpusets: fix warning in kernel/cpuset.c
2008-11-29 20:39:29 +01:00
delayacct.c
per-task-delay-accounting: update taskstats for memory reclaim delay
2008-07-25 10:53:47 -07:00
dma-coherent.c
dma-coherent: export dma_[alloc|release]_from_coherent methods
2008-08-22 08:34:53 +02:00
dma.c
kernel/dma.c: remove a CVS keyword
2008-10-16 11:21:30 -07:00
exec_domain.c
proc: move /proc/execdomains to kernel/exec_domain.c
2008-10-23 14:30:41 +04:00
exit.c
Move "exit_robust_list" into mm_release()
2008-11-15 10:20:36 -08:00
extable.c
…
fork.c
Move "exit_robust_list" into mm_release()
2008-11-15 10:20:36 -08:00
freezer.c
freezer_cg: use thaw_process() in unfreeze_cgroup()
2008-10-30 11:38:45 -07:00
futex_compat.c
…
futex.c
hrtimer: make the futex() system call use the per process slack value
2008-09-11 07:17:00 -07:00
hrtimer.c
hrtimer: clean up unused callback modes
2008-11-12 09:54:40 +01:00
itimer.c
timers: fix itimer/many thread hang
2008-09-14 16:25:35 +02:00
kallsyms.c
sprint_symbol(): use less stack
2008-11-19 18:49:58 -08:00
Kconfig.freezer
container freezer: implement freezer cgroup subsystem
2008-10-20 08:52:34 -07:00
Kconfig.hz
sched: fix SCHED_HRTICK dependency
2008-07-28 14:37:38 +02:00
Kconfig.preempt
…
kexec.c
kexec: fix crash_save_vmcoreinfo_init build problem
2008-10-20 15:28:50 -07:00
kfifo.c
…
kgdb.c
kgdb: call touch_softlockup_watchdog on resume
2008-10-06 13:50:59 -05:00
kmod.c
Merge git://git.kernel.org/pub/scm/linux/kernel/git/rusty/linux-2.6-for-linus
2008-10-16 12:38:34 -07:00
kprobes.c
kernel/kprobes.c: don't pad kretprobe_table_locks[] on uniprocessor builds
2008-11-12 17:17:17 -08:00
ksysfs.c
profiling: dynamically enable readprofile at runtime
2008-10-16 11:21:31 -07:00
kthread.c
Merge branch 'tracing-v28-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip
2008-10-20 13:35:07 -07:00
latencytop.c
kernel: use non-racy method for proc entries creation
2008-04-29 08:06:22 -07:00
lockdep_internals.h
lockdep: build fix
2008-08-13 12:55:10 +02:00
lockdep_proc.c
lockstat: fix numerical output rounding error
2008-08-26 10:37:46 +02:00
lockdep.c
lockdep: consistent alignement for lockdep info
2008-11-21 08:59:40 +01:00
Makefile
Merge branch 'linus' into sched/core
2008-11-19 09:44:37 +01:00
marker.c
markers: bit-field is not thread-safe nor smp-safe
2008-10-14 10:38:45 +02:00
module.c
Merge branch 'proc' of git://git.kernel.org/pub/scm/linux/kernel/git/adobriyan/proc
2008-10-23 12:04:37 -07:00
mutex-debug.c
mutex-debug: check mutex magic before owner
2008-05-16 16:53:35 +02:00
mutex-debug.h
…
mutex.c
locking: fix mutex @key parameter kernel-doc notation
2008-07-28 18:12:36 +02:00
mutex.h
…
notifier.c
ftrace: ignore functions that cannot be kprobe-ed
2008-10-14 10:34:22 +02:00
ns_cgroup.c
cgroup_clone: use pid of newly created task for new cgroup
2008-07-25 10:53:37 -07:00
nsproxy.c
removed unused #include <linux/version.h>'s
2008-08-23 12:14:12 -07:00
panic.c
Make panic= and panic_on_oops into core_params
2008-10-22 10:00:25 +11:00
params.c
Fix compile warning in kernel/params.c
2008-10-23 12:09:00 -07:00
pid_namespace.c
pid_ns: (BUG 11391) change ->child_reaper when init->group_leader exits
2008-09-02 19:21:38 -07:00
pid.c
pidns: remove now unused find_pid function.
2008-07-25 10:53:45 -07:00
pm_qos_params.c
pm_qos_requirement might sleep
2008-09-02 19:21:40 -07:00
posix-cpu-timers.c
sched, signals: fix the racy usage of ->signal in account_group_xxx/run_posix_cpu_timers
2008-11-17 16:49:35 +01:00
posix-timers.c
Merge branch 'timers/range-hrtimers' into v28-range-hrtimers-for-linus-v2
2008-10-22 09:48:06 +02:00
printk.c
printk: remove unused code from kernel/printk.c
2008-10-23 21:54:29 +02:00
profile.c
cpuinit fixes in kernel/*
2008-11-30 10:03:37 -08:00
ptrace.c
remove __ARCH_WANT_COMPAT_SYS_PTRACE
2008-11-30 11:00:15 -08:00
rcuclassic.c
rcu: RCU-based detection of stalled CPUs for Classic RCU, fix
2008-10-03 10:41:00 +02:00
rcupdate.c
rcupdate: fix bug of rcu_barrier*()
2008-10-21 15:59:53 +02:00
rcupreempt_trace.c
rcu: trace fix possible mem-leak
2008-08-15 17:54:40 +02:00
rcupreempt.c
byteorder: remove direct includes of linux/byteorder/swab[b].h
2008-10-20 08:52:40 -07:00
rcutorture.c
byteorder: remove direct includes of linux/byteorder/swab[b].h
2008-10-20 12:51:53 -07:00
relay.c
relay: fix cpu offline problem
2008-11-18 15:08:56 +01:00
res_counter.c
cgroup files: convert res_counter_write() to be a cgroups write_string() handler
2008-07-25 10:53:36 -07:00
resource.c
reserve_region_with_split: Fix GFP_KERNEL usage under spinlock
2008-11-01 09:53:58 -07:00
rtmutex_common.h
…
rtmutex-debug.c
…
rtmutex-debug.h
…
rtmutex-tester.c
sysdev: Pass the attribute to the low level sysdev show/store function
2008-07-21 21:55:02 -07:00
rtmutex.c
hrtimer: convert kernel/* to the new hrtimer apis
2008-09-05 21:35:13 -07:00
rtmutex.h
…
rwsem.c
…
sched_clock.c
sched_clock: prevent scd->clock from moving backwards
2008-10-10 11:17:04 +02:00
sched_cpupri.c
sched: use a 2-d bitmap for searching lowest-pri CPU
2008-06-06 15:19:28 +02:00
sched_cpupri.h
sched: fix the cpuprio count really
2008-06-06 15:19:44 +02:00
sched_debug.c
sched: add uid information to sched_debug for CONFIG_USER_SCHED
2008-12-01 20:39:50 +01:00
sched_fair.c
sched: release buddies on yield
2008-11-11 11:57:22 +01:00
sched_features.h
sched: backward looking buddy
2008-11-05 10:30:14 +01:00
sched_idletask.c
sched: add CONFIG_SMP consistency
2008-10-22 10:01:52 +02:00
sched_rt.c
sched: move double_unlock_balance() higher
2008-11-28 20:11:15 +01:00
sched_stats.h
sched, signals: fix the racy usage of ->signal in account_group_xxx/run_posix_cpu_timers
2008-11-17 16:49:35 +01:00
sched.c
sched: fix sd_parent_degenerate on non-numa smp machine
2008-12-08 13:52:44 +01:00
seccomp.c
…
semaphore.c
semaphore: __down_common: use signal_pending_state()
2008-08-05 14:33:47 -07:00
signal.c
'kill sig -1' must only apply to caller's namespace
2008-10-30 11:38:46 -07:00
smp.c
generic-ipi: fix the smp_mb() placement
2008-11-06 08:41:56 +01:00
softirq.c
irq: call __irq_enter() before calling the tick_idle_check
2008-11-10 22:36:39 +01:00
softlockup.c
Make the taint flags reliable
2008-10-16 11:21:31 -07:00
spinlock.c
lockdep: spin_lock_nest_lock(), checkpatch fixes
2008-08-13 13:56:51 +02:00
srcu.c
…
stacktrace.c
stacktrace: fix modular build, export print_stack_trace and save_stack_trace
2008-06-30 09:20:55 +02:00
stop_machine.c
stop_machine: fix race with return value (fixes Bug #11989)
2008-11-16 15:09:52 -08:00
sys_ni.c
reintroduce accept4
2008-11-19 18:49:57 -08:00
sys.c
Merge branch 'timers/range-hrtimers' into v28-range-hrtimers-for-linus-v2
2008-10-22 09:48:06 +02:00
sysctl_check.c
sysctl: check for bogus modes
2008-07-25 10:53:45 -07:00
sysctl.c
Merge commit 'v2.6.28-rc2' into tracing/urgent
2008-10-27 10:50:54 +01:00
taskstats.c
taskstats: remove initialization of static per-cpu variable
2008-07-25 10:53:47 -07:00
test_kprobes.c
…
time.c
select: add a timespec_add_safe() function
2008-09-05 21:34:57 -07:00
timeconst.pl
Make constants in kernel/timeconst.h fixed 64 bits
2008-05-02 16:18:42 -07:00
timer.c
Add round_jiffies_up and related routines
2008-11-06 08:42:48 +01:00
tracepoint.c
tracepoint: check if the probe has been registered
2008-10-27 16:45:46 +01:00
tsacct.c
task IO accounting: move all IO statistics in struct task_io_accounting
2008-07-27 16:12:28 -07:00
uid16.c
…
user_namespace.c
removed unused #include <linux/version.h>'s
2008-08-23 12:14:12 -07:00
user.c
sched: add uid information to sched_debug for CONFIG_USER_SCHED
2008-12-01 20:39:50 +01:00
utsname_sysctl.c
sysctl: simplify ->strategy
2008-10-16 11:21:47 -07:00
utsname.c
removed unused #include <linux/version.h>'s
2008-08-23 12:14:12 -07:00
wait.c
wait: kill is_sync_wait()
2008-10-16 11:21:31 -07:00
workqueue.c
cpumask: introduce new API, without changing anything
2008-11-06 09:05:33 +01:00