2.5.54-mjb1 (scalability / NUMA patchset)

From: Martin J. Bligh (mbligh@aracnet.com)
Date: Fri Jan 03 2003 - 02:37:04 EST


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.

http://www.aracnet.com/~fletch/linux/2.5.54/patch-2.5.54-mjb1.bz2

Since 2.5.53-mjb1 (nothing very interesting going on, apart from
a critical bugfix to the config_hz stuff).

- config_hz Andrew Morton / Dave Hansen
+ config_hz (new version) Andrew Morton / Dave Hansen
- use_generic_topo Matt Dobson
+ apicid_to_node Martin Bligh
- i386_topo Matt Dobson
+ i386_topo (new version) Matt Dobson / Martin Bligh
+ fix_starfire_warning Martin Bligh
+ kallsyms fix Andi Kleen / Daniel Ritz

Pending:
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

apicid_to_node Martin Bligh
        Create an machine specific apicid_to_node for everyone

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

fix_starfire_warning Martin Bligh
        Fix trivial starfire compile warning that keeps annoying me.

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

kallsyms Andi Kleen / Daniel Ritz
        Fix some bug.

mjb1 Martin Bligh
        Add a tag to the makefile

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