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Rohit Seth 8ad4b1fb82 [PATCH] Make high and batch sizes of per_cpu_pagelists configurable 
As recently there has been lot of traffic on the right values for batch and
high water marks for per_cpu_pagelists.  This patch makes these two
variables configurable through /proc interface.

A new tunable /proc/sys/vm/percpu_pagelist_fraction is added.  This entry
controls the fraction of pages at most in each zone that are allocated for
each per cpu page list.  The min value for this is 8.  It means that we
don't allow more than 1/8th of pages in each zone to be allocated in any
single per_cpu_pagelist.

The batch value of each per cpu pagelist is also updated as a result.  It
is set to pcp->high/4.  The upper limit of batch is (PAGE_SHIFT * 8)

Signed-off-by: Rohit Seth <rohit.seth@intel.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-01-08 20:12:40 -08:00
..
irq [PATCH] Alpha: convert to generic irq framework (generic part) 2006-01-06 08:33:40 -08:00
power [PATCH] swsusp: save image header first 2006-01-06 08:33:43 -08:00
.gitignore gitignore: ignore more generated files 2006-01-03 11:35:26 +01:00
acct.c [PATCH] s390: cputime_t fixes 2006-01-06 08:33:49 -08:00
audit.c [PATCH] Add try_to_freeze to kauditd 2005-12-12 08:57:43 -08:00
auditsc.c [PATCH] gfp_t: kernel/* 2005-10-28 08:16:49 -07:00
capability.c [PATCH] kernel/capability.c: add kerneldoc 2005-07-27 16:26:06 -07:00
compat.c [PATCH] kernel: fix-up schedule_timeout() usage 2005-09-10 10:06:37 -07:00
configs.c update the email address of Randy Dunlap 2006-01-03 13:37:51 +01:00
cpu.c [PATCH] clean up lock_cpu_hotplug() in cpufreq 2005-11-28 14:42:23 -08:00
cpuset.c [PATCH] cpuset: fix return without releasing semaphore 2005-11-13 18:14:11 -08:00
crash_dump.c [PATCH] kernel/crash_dump.c: add kerneldoc 2005-07-27 16:26:06 -07:00
dma.c
exec_domain.c
exit.c [PATCH] m68k: introduce task_thread_info 2005-11-13 18:14:13 -08:00
extable.c
fork.c [PATCH] cpuset fork locking fix 2005-11-28 14:42:24 -08:00
futex.c [PATCH] FRV: Make futex code compilable on nommu [try #2] 2006-01-06 08:33:33 -08:00
intermodule.c [PATCH] introduce and use kzalloc 2005-09-07 16:57:45 -07:00
itimer.c [PATCH] itimer fixes 2005-07-27 16:25:51 -07:00
kallsyms.c [PATCH] fix missing includes 2005-10-30 17:37:32 -08:00
Kconfig.hz [PATCH] i386: Selectable Frequency of the Timer Interrupt 2005-06-23 09:45:10 -07:00
Kconfig.preempt [PATCH] sched: voluntary kernel preemption 2005-06-25 16:24:45 -07:00
kexec.c [PATCH] mm: split page table lock 2005-10-29 21:40:42 -07:00
kfifo.c [PATCH] gfp flags annotations - part 1 2005-10-08 15:00:57 -07:00
kmod.c [PATCH] Keys: Get rid of warning in kmod.c if keys disabled 2005-10-30 17:37:23 -08:00
kprobes.c [PATCH] kprobes: increment kprobe missed count for multiprobes 2005-12-12 08:57:45 -08:00
ksysfs.c [PATCH] kobject_uevent CONFIG_NET=n fix 2006-01-04 16:18:08 -08:00
kthread.c [PATCH] Add kthread_stop_sem() 2005-10-30 17:37:17 -08:00
Makefile [PATCH] RCU torture-testing kernel module 2005-10-30 17:37:27 -08:00
module.c [PATCH] kernel/module.c: removed dead code 2006-01-06 08:33:59 -08:00
panic.c [PATCH] s390: cleanup Kconfig 2006-01-06 08:33:53 -08:00
params.c [PATCH] kernel/params.c: fix sysfs access with CONFIG_MODULES=n 2005-12-20 10:31:33 -08:00
pid.c
posix-cpu-timers.c [PATCH] Fix posix-cpu-timers sched_time accumulation 2006-01-06 20:23:04 -08:00
posix-timers.c [PATCH] timespec: normalize off by one errors 2005-11-13 18:14:17 -08:00
printk.c [PATCH] Fix crash in unregister_console() 2005-11-23 16:08:39 -08:00
profile.c [PATCH] mostly_read data section 2005-07-07 18:23:46 -07:00
ptrace.c [PATCH] Fix crash when ptrace poking hugepage areas 2005-11-29 19:47:03 -08:00
rcupdate.c [PATCH] Fix RCU race in access of nohz_cpu_mask 2005-12-12 08:57:42 -08:00
rcutorture.c [PATCH] Fix bug in RCU torture test 2005-12-12 08:57:42 -08:00
resource.c [PATCH] introduce and use kzalloc 2005-09-07 16:57:45 -07:00
sched.c [PATCH] m68k: introduce setup_thread_stack() and end_of_stack() 2005-11-13 18:14:13 -08:00
seccomp.c
signal.c [PATCH] signal handling: revert sigkill priority fix 2005-11-13 18:14:15 -08:00
softirq.c [PATCH] cpu hoptlug: avoid usage of smp_processor_id() in preemptible code 2005-11-07 07:53:29 -08:00
softlockup.c [PATCH] quieten softlockup at boot 2005-11-09 07:55:50 -08:00
spinlock.c [PATCH] spinlock consolidation 2005-09-10 10:06:21 -07:00
stop_machine.c [PATCH] stop_machine() vs. synchronous IPI send deadlock 2005-11-13 18:14:16 -08:00
sys.c [PATCH] kprobes: no probes on critical path 2005-12-12 08:57:45 -08:00
sys_ni.c [PATCH] remove sys_set_zone_reclaim() 2005-08-01 10:03:56 -07:00
sysctl.c [PATCH] Make high and batch sizes of per_cpu_pagelists configurable 2006-01-08 20:12:40 -08:00
time.c [PATCH] Add getnstimestamp function 2005-12-12 08:57:42 -08:00
timer.c [PATCH] jiffies_64 cleanup 2005-10-30 17:37:25 -08:00
uid16.c
user.c [PATCH] inotify 2005-07-12 20:38:38 -07:00
wait.c
workqueue.c [PATCH] Fix hardcoded cpu=0 in workqueue for per_cpu_ptr() calls 2005-11-28 14:42:23 -08:00