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    Subject2.5.53-mjb1 (scalability / NUMA patchset)
    The patchset contains mainly scalability and NUMA stuff, and
    anything else that stops things from irritating me. It's meant
    to be pretty stable, not so much a testing ground for new stuff.
    I'd be very interested in feedback from other people running
    large SMP or NUMA boxes.

    Since 2.5.52-mjb1
    - config_hz Dave Hansen
    + config_hz (new version) Andrew Morton / Dave Hansen
    - i386_topo Matt Dobson
    + i386_topo (new version) Matt Dobson

    - numaq_makefile Martin Bligh
    - numaq_apic James Cleverdon / Martin
    - numaq_mpparse1 James Cleverdon / Martin
    - numaq_mpparse2 James Cleverdon / Martin

    Speed up page init on boot (Bill Irwin)
    Notsc automatic enablement
    Final bits of NUMA-Q / clustered_apic_mode to subarch (Martin)
    Full Summit support (James C / John)
    scheduler callers profiling (Anton)
    PPC64 NUMA patches (Anton)
    Scheduler tunables (rml)
    Lockless xtime structures (Andi)

    kgdb Various People
    The older version of kgdb, not the shiny new stuff in Andrew's tree.
    Yes, I'm boring and slow.

    noframeptr Martin Bligh
    Disable -fomit_frame_pointer

    use_generic_topo Matt Dobson
    Make non-NUMA PPC64 use generic topology functions

    i386_topo Matt Dobson
    Some i386 topology cleanups to make it cache the data.

    numasched1 Erich Focht
    Numa scheduler general foundation work + pooling

    numasched2 Michael Hohnbaum
    Numa scheduler lightweight initial load balancing.

    local_pgdat Bill Irwin
    Move the pgdat structure into the remapped space with lmem_map

    early_printk Dave Hansen et al.
    Allow printk before console_init

    confighz Andrew Morton / Dave Hansen
    Make HZ a config option of 100 Hz or 1000 Hz

    config_page_offset Dave Hansen / Andrea
    Make PAGE_OFFSET a config option

    vmalloc_stats Dave Hansen
    Expose useful vmalloc statistics

    shpte Dave McCracken
    Shared pagetables (as a config option)

    more_numaq1 James Cleverdon / Martin Bligh
    yet more Numa-Q subarch splitup

    dcache_rcu Dipankar / Maneesh
    Use RCU type locking for the dentry cache.

    thread_info_cleanup (4K stacks pt 1) Dave Hansen / Ben LaHaise
    Prep work to reduce kernel stacks to 4K

    interrupt_stacks (4K stacks pt 2) Dave Hansen / Ben LaHaise
    Create a per-cpu interrupt stack.

    stack_usage_check (4K stacks pt 3) Dave Hansen / Ben LaHaise
    Check for kernel stack overflows.

    4k_stack (4K stacks pt 4) Dave Hansen
    Config option to reduce kernel stacks to 4K

    notsc Martin Bligh
    Enable notsc option for NUMA-Q (new version for new config system)

    numameminfo Martin Bligh / Keith Mannthey
    Expose NUMA meminfo information under /proc/meminfo.numa

    mjb1 Martin Bligh
    Add a tag to the makefile

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