Tim Chen
11a19c7b09
sched/wait: Introduce wakeup boomark in wake_up_page_bit ...
Now that we have added breaks in the wait queue scan and allow bookmark
on scan position, we put this logic in the wake_up_page_bit function.
We can have very long page wait list in large system where multiple
pages share the same wait list. We break the wake up walk here to allow
other cpus a chance to access the list, and not to disable the interrupts
when traversing the list for too long. This reduces the interrupt and
rescheduling latency, and excessive page wait queue lock hold time.
[ v2: Remove bookmark_wake_function ]
Signed-off-by: Tim Chen <tim.c.chen@linux.intel.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2017-09-14 09:56:18 -07:00
sched/autogroup: Fix error reporting printk text in autogroup_create()
2017-08-10 17:06:03 +02:00
sched/headers: Prepare for new header dependencies before moving code to <linux/sched/autogroup.h>
2017-03-02 08:42:28 +01:00
sched/clock: Fix early boot preempt assumption in __set_sched_clock_stable()
2017-05-24 09:10:00 +02:00
Merge branch 'locking-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
2017-09-04 11:52:29 -07:00
sched/core: WARN() when migrating to an offline CPU
2017-09-12 17:41:04 +02:00
sched/cputime: Convert kcpustat to nsecs
2017-02-01 09:13:47 +01:00
sched/deadline: Change return value of cpudl_find()
2017-08-10 12:18:17 +02:00
Merge branch 'pm-cpufreq-sched'
2017-09-04 00:05:22 +02:00
sched/cpupri: Don't re-initialize 'struct cpupri'
2017-08-10 12:18:14 +02:00
sched/cputime: Don't use smp_processor_id() in preemptible context
2017-07-14 10:27:15 +02:00
sched/deadline: replace earliest dl and rq leftmost caching
2017-09-08 18:26:49 -07:00
Merge branch 'sched-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
2017-09-13 12:22:32 -07:00
Merge branch 'sched-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
2017-09-13 12:22:32 -07:00
sched/core: Implement new approach to scale select_idle_cpu()
2017-06-08 10:25:17 +02:00
PM / s2idle: Rename ->enter_freeze to ->enter_s2idle
2017-08-11 01:29:56 +02:00
sched/core: Add wrappers for lockdep_(un)pin_lock()
2017-01-14 11:29:30 +01:00
sched/loadavg: Generalize "_idle" naming to "_nohz"
2017-06-22 11:30:01 +02:00
membarrier: Provide expedited private command
2017-08-17 07:28:05 -07:00
membarrier: Provide expedited private command
2017-08-17 07:28:05 -07:00
sched: cpufreq: Allow remote cpufreq callbacks
2017-08-01 14:24:53 +02:00
sched/fair: Move the PELT constants into a generated header
2017-04-14 10:26:37 +02:00
Merge branch 'sched-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
2017-09-13 12:22:32 -07:00
sched/headers: Move cputime functionality from <linux/sched.h> and <linux/cputime.h> into <linux/sched/cputime.h>
2017-03-03 01:45:22 +01:00
sched/core: Add wrappers for lockdep_(un)pin_lock()
2017-01-14 11:29:30 +01:00
sched/wait: Remove the lockless swait_active() check in swake_up*()
2017-08-10 12:28:53 +02:00
Merge branch 'sched-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
2017-09-13 12:22:32 -07:00
sched/wait: Introduce wakeup boomark in wake_up_page_bit
2017-09-14 09:56:18 -07:00
sched/wait: Disambiguate wq_entry->task_list and wq_head->task_list naming
2017-06-20 12:19:14 +02:00
11a19c7b09