[GIT PATCH core/percpu] percpu: convert most archs to dynamic percpu, take#3

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Hello,

Upon ack, please pull from the following git tree.

  git://git.kernel.org/pub/scm/linux/kernel/git/tj/misc.git tj-percpu-convert-most-archs

As per David Miller's request, I trimmed most arch maintainers from cc
list and just added the arch mailing list.

This is the third take of percpu-convert-most-archs-to-dynamic-percpu
patchset.  Changes from the last take[L] are

* Rebased on the current linus#master (more updates in
  enforce-global-definitions patch).  The remap patchset is pushed
  after this one.

* Rebased on top of tj-percpu-fix-remap.

* CRIS drop-volatile patch added.

* fix-too-lazy-vunmap-cache-flushing patch added.

This patchset contains the following nine patches.

 0001-percpu-fix-too-lazy-vunmap-cache-flushing.patch
 0002-percpu-use-dynamic-percpu-allocator-as-the-default.patch
 0003-CRIS-Change-DEFINE_PER_CPU-of-current_pgd-to-be-non.patch
 0004-percpu-cleanup-percpu-array-definitions.patch
 0005-percpu-clean-up-percpu-variable-definitions.patch
 0006-percpu-enforce-global-definition.patch
 0007-alpha-kill-unnecessary-__used-attribute-in-PER_CPU_.patch
 0008-alpha-switch-to-dynamic-percpu-allocator.patch
 0009-s390-switch-to-dynamic-percpu-allocator.patch

0001 and 0003 are the new ones.  Other remain mostly the same other
than added updates in 0005 and 0006 for newly introduced percpu
variables.

Kyle McMartin reported that default allocator change breaks parisc.
The problem is still under investigation and he is okay with pushing
this patchset forward and fixing parisc later.

This patchset is on top of the current
linus#master(300df7dc89cc276377fc020704e34875d5c473b6).

and contains the following changes.

 arch/alpha/include/asm/percpu.h                  |  101 ++---------------------
 arch/alpha/include/asm/tlbflush.h                |    1 
 arch/arm/kernel/smp.c                            |    4 
 arch/arm/mach-kirkwood/cpuidle.c                 |    2 
 arch/avr32/kernel/cpu.c                          |    2 
 arch/blackfin/mach-common/smp.c                  |    2 
 arch/blackfin/mm/sram-alloc.c                    |   22 ++---
 arch/cris/include/asm/mmu_context.h              |    3 
 arch/cris/mm/fault.c                             |    2 
 arch/ia64/Kconfig                                |    3 
 arch/ia64/kernel/crash.c                         |    2 
 arch/ia64/kernel/smp.c                           |    4 
 arch/ia64/kernel/traps.c                         |    2 
 arch/ia64/kvm/kvm-ia64.c                         |    2 
 arch/ia64/sn/kernel/setup.c                      |    2 
 arch/ia64/xen/irq_xen.c                          |   24 ++---
 arch/mips/kernel/cevt-bcm1480.c                  |    6 -
 arch/mips/kernel/cevt-sb1250.c                   |    6 -
 arch/mips/kernel/topology.c                      |    2 
 arch/mips/sgi-ip27/ip27-timer.c                  |    4 
 arch/parisc/kernel/irq.c                         |    2 
 arch/parisc/kernel/topology.c                    |    2 
 arch/powerpc/Kconfig                             |    3 
 arch/powerpc/kernel/cacheinfo.c                  |    2 
 arch/powerpc/kernel/process.c                    |    2 
 arch/powerpc/kernel/sysfs.c                      |    4 
 arch/powerpc/kernel/time.c                       |    6 -
 arch/powerpc/mm/pgtable.c                        |    2 
 arch/powerpc/mm/stab.c                           |    4 
 arch/powerpc/oprofile/op_model_cell.c            |    2 
 arch/powerpc/platforms/cell/cpufreq_spudemand.c  |    2 
 arch/powerpc/platforms/cell/interrupt.c          |    2 
 arch/powerpc/platforms/ps3/interrupt.c           |    2 
 arch/powerpc/platforms/ps3/smp.c                 |    2 
 arch/powerpc/platforms/pseries/dtl.c             |    2 
 arch/powerpc/platforms/pseries/iommu.c           |    2 
 arch/s390/appldata/appldata_base.c               |    2 
 arch/s390/include/asm/percpu.h                   |   32 +------
 arch/s390/kernel/nmi.c                           |    2 
 arch/s390/kernel/smp.c                           |    2 
 arch/s390/kernel/time.c                          |    4 
 arch/s390/kernel/vtime.c                         |    2 
 arch/sh/kernel/localtimer.c                      |    2 
 arch/sh/kernel/topology.c                        |    2 
 arch/sparc/Kconfig                               |    3 
 arch/sparc/kernel/nmi.c                          |    6 -
 arch/sparc/kernel/pci_sun4v.c                    |    2 
 arch/sparc/kernel/sysfs.c                        |    4 
 arch/sparc/kernel/time_64.c                      |    4 
 arch/x86/Kconfig                                 |    3 
 arch/x86/kernel/apic/apic.c                      |    2 
 arch/x86/kernel/apic/nmi.c                       |    8 -
 arch/x86/kernel/apic/x2apic_cluster.c            |    2 
 arch/x86/kernel/cpu/common.c                     |    2 
 arch/x86/kernel/cpu/cpu_debug.c                  |    6 -
 arch/x86/kernel/cpu/cpufreq/acpi-cpufreq.c       |    4 
 arch/x86/kernel/cpu/cpufreq/powernow-k8.c        |    2 
 arch/x86/kernel/cpu/cpufreq/speedstep-centrino.c |    4 
 arch/x86/kernel/cpu/intel_cacheinfo.c            |    6 -
 arch/x86/kernel/cpu/mcheck/mce_amd_64.c          |    4 
 arch/x86/kernel/cpu/mcheck/mce_intel_64.c        |    2 
 arch/x86/kernel/cpu/mcheck/therm_throt.c         |    4 
 arch/x86/kernel/cpu/perf_counter.c               |   16 +--
 arch/x86/kernel/cpu/perfctr-watchdog.c           |    2 
 arch/x86/kernel/ds.c                             |    4 
 arch/x86/kernel/hpet.c                           |    2 
 arch/x86/kernel/irq_32.c                         |    8 -
 arch/x86/kernel/kvm.c                            |    2 
 arch/x86/kernel/kvmclock.c                       |    2 
 arch/x86/kernel/paravirt.c                       |    2 
 arch/x86/kernel/process_64.c                     |    2 
 arch/x86/kernel/smpboot.c                        |    2 
 arch/x86/kernel/tlb_uv.c                         |    6 -
 arch/x86/kernel/topology.c                       |    2 
 arch/x86/kernel/uv_time.c                        |    2 
 arch/x86/kernel/vmiclock_32.c                    |    2 
 arch/x86/kvm/svm.c                               |    2 
 arch/x86/kvm/vmx.c                               |    6 -
 arch/x86/kvm/x86.c                               |    2 
 arch/x86/mm/kmmio.c                              |    2 
 arch/x86/mm/mmio-mod.c                           |    4 
 arch/x86/oprofile/nmi_int.c                      |    4 
 arch/x86/xen/enlighten.c                         |    4 
 arch/x86/xen/multicalls.c                        |    2 
 arch/x86/xen/smp.c                               |    8 -
 arch/x86/xen/spinlock.c                          |    4 
 arch/x86/xen/time.c                              |   10 +-
 block/as-iosched.c                               |   10 +-
 block/blk-softirq.c                              |    2 
 block/cfq-iosched.c                              |   10 +-
 crypto/sha512_generic.c                          |    2 
 drivers/acpi/processor_core.c                    |    2 
 drivers/acpi/processor_thermal.c                 |    2 
 drivers/base/cpu.c                               |    2 
 drivers/char/random.c                            |    2 
 drivers/connector/cn_proc.c                      |    2 
 drivers/cpufreq/cpufreq.c                        |    8 -
 drivers/cpufreq/cpufreq_conservative.c           |   12 +-
 drivers/cpufreq/cpufreq_ondemand.c               |   15 +--
 drivers/cpufreq/cpufreq_stats.c                  |    2 
 drivers/cpufreq/cpufreq_userspace.c              |   11 +-
 drivers/cpufreq/freq_table.c                     |    2 
 drivers/cpuidle/governors/ladder.c               |    2 
 drivers/cpuidle/governors/menu.c                 |    2 
 drivers/crypto/padlock-aes.c                     |    2 
 drivers/lguest/page_tables.c                     |    2 
 drivers/lguest/x86/core.c                        |    2 
 drivers/xen/events.c                             |   13 +-
 fs/buffer.c                                      |    4 
 fs/file.c                                        |    2 
 include/linux/percpu-defs.h                      |   10 +-
 include/linux/percpu.h                           |   12 ++
 init/main.c                                      |   24 -----
 kernel/kprobes.c                                 |    2 
 kernel/lockdep.c                                 |    2 
 kernel/module.c                                  |    6 -
 kernel/perf_counter.c                            |    8 -
 kernel/printk.c                                  |    2 
 kernel/profile.c                                 |    4 
 kernel/rcuclassic.c                              |    4 
 kernel/rcupdate.c                                |    2 
 kernel/rcupreempt.c                              |   10 +-
 kernel/rcutorture.c                              |    4 
 kernel/sched.c                                   |   30 +++---
 kernel/sched_clock.c                             |    2 
 kernel/sched_rt.c                                |    2 
 kernel/smp.c                                     |    6 -
 kernel/softirq.c                                 |    6 -
 kernel/softlockup.c                              |    6 -
 kernel/taskstats.c                               |    4 
 kernel/time/tick-sched.c                         |    2 
 kernel/time/timer_stats.c                        |    2 
 kernel/timer.c                                   |    2 
 kernel/trace/ftrace.c                            |    2 
 kernel/trace/ring_buffer.c                       |    2 
 kernel/trace/trace.c                             |    6 -
 kernel/trace/trace_events.c                      |    6 -
 kernel/trace/trace_hw_branches.c                 |    4 
 kernel/trace/trace_irqsoff.c                     |    2 
 kernel/trace/trace_stack.c                       |    2 
 kernel/trace/trace_sysprof.c                     |    2 
 kernel/trace/trace_workqueue.c                   |    2 
 lib/radix-tree.c                                 |    2 
 lib/random32.c                                   |    2 
 mm/Makefile                                      |    2 
 mm/allocpercpu.c                                 |   28 ++++++
 mm/kmemleak-test.c                               |    6 -
 mm/page-writeback.c                              |    5 -
 mm/percpu.c                                      |   51 ++++++++++-
 mm/quicklist.c                                   |    2 
 mm/slab.c                                        |    4 
 mm/slub.c                                        |    6 -
 mm/swap.c                                        |    4 
 mm/vmalloc.c                                     |    2 
 mm/vmstat.c                                      |    2 
 net/core/drop_monitor.c                          |    2 
 net/core/flow.c                                  |    6 -
 net/core/sock.c                                  |    2 
 net/ipv4/route.c                                 |    2 
 net/ipv4/syncookies.c                            |    4 
 net/ipv6/syncookies.c                            |    4 
 net/socket.c                                     |    2 
 162 files changed, 423 insertions(+), 463 deletions(-)

Thanks.

--
tejun

[L] http://www.gossamer-threads.com/lists/linux/kernel/1083895
    http://thread.gmane.org/gmane.linux.kernel.mm/0	(strange...)
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