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    Subject[GIT PULL] percpu for 2.6.31
    Hello, Linus.

    Please pull from percpu-for-linus git tree from:

    git://git.kernel.org/pub/scm/linux/kernel/git/tj/percpu.git for-linus

    This contains two logical changes 1. convert most archs to dynamic
    percpu allocator and 2. fix x86 lpage allocator and re-enable it.
    Both have been posted multiple times and shouldn't break most of the
    popular archs. One known breakage is on parisc which Kyle agreed to
    fix post merge.

    Ingo, does this look okay to you? If so, I'll create for-next branch
    with the rest of patches and also push other percpu changes through it
    (Rusty's drop prefix patches and Christoph's this_cpu_* patches) and
    publish it to linux-next.

    Thanks.

    Documentation/kernel-parameters.txt | 6 +
    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/include/asm/percpu.h | 9 +
    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/setup_percpu.c | 219 ++++++++++++++++------
    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/kmemcheck/kmemcheck.c | 2 +-
    arch/x86/mm/kmmio.c | 2 +-
    arch/x86/mm/mmio-mod.c | 4 +-
    arch/x86/mm/pageattr.c | 65 ++++---
    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 | 64 ++++++-
    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/rds/ib_stats.c | 2 +-
    net/rds/iw_stats.c | 2 +-
    net/rds/page.c | 2 +-
    net/socket.c | 2 +-
    170 files changed, 653 insertions(+), 553 deletions(-)

    Jesper Nilsson (1):
    CRIS: Change DEFINE_PER_CPU of current_pgd to be non volatile.

    Tejun Heo (16):
    percpu: fix too lazy vunmap cache flushing
    percpu: use dynamic percpu allocator as the default percpu allocator
    percpu: cleanup percpu array definitions
    use-percpu-aligned
    percpu: clean up percpu variable definitions
    percpu: enforce global definition
    alpha: kill unnecessary __used attribute in PER_CPU_ATTRIBUTES
    alpha: switch to dynamic percpu allocator
    s390: switch to dynamic percpu allocator
    x86: fix duplicate free in setup_pcpu_remap() failure path
    x86: rename remap percpu first chunk allocator to lpage
    x86: prepare setup_pcpu_lpage() for pageattr fix
    x86: reorganize cpa_process_alias()
    x86: fix pageattr handling for lpage percpu allocator and re-enable it
    x86: implement percpu_alloc kernel parameter
    x86: ensure percpu lpage doesn't consume too much vmalloc space


    --
    tejun


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