2.5.52-mjb1 (scalability / NUMA patchset)

From: Martin J. Bligh (mbligh@aracnet.com)
Date: Tue Dec 17 2002 - 03:10:29 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/2.5.52/patch-2.5.52-mjb1.bz2

Since 2.5.50-mjb2
+ thread_info_cleanup (4K stacks pt 1) Dave Hansen / Ben LaHaise
+ interrupt_stacks (4K stacks pt 2) Dave Hansen / Ben LaHaise
+ stack_usage_check (4K stacks pt 3) Dave Hansen / Ben LaHaise
+ 4k_stack (4K stacks pt 4) Dave Hansen
+ numameminfo Martin Bligh / Keith Mannthey

Returned from the dead:
+ numaq_makefile Martin Bligh
+ numaq_apic James Cleverdon / Martin Bligh
+ numaq_mpparse1 James Cleverdon / Martin Bligh
+ numaq_mpparse2 James Cleverdon / Martin Bligh

Merged:
- devclass_panic Bill Irwin

Pending:
Speed up page init on boot (Bill Irwin)
Notsc automatic enablement
Move more of NUMA-Q to subarch (James C / Martin / John)
Full Summit support (James C / John)
RCU routecache (?)
scheduler callers profiling (Anton)
PPC64 NUMA patches (Anton)
Scheduler tunables (rml)

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

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

use_generic_topo Matt Dobson
        Something to do with tolopology that I forget.

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 Dave Hansen
        Make HZ a config option

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)

subarch reorg John Stultz
        Move the header files for subarch under include/asm-i386

numaq_makefile James Cleverdon / Martin Bligh
        Numa-Q subarch splitup

numaq_apic James Cleverdon / Martin Bligh
        Numa-Q subarch splitup

numaq_mpparse1 James Cleverdon / Martin Bligh
        Numa-Q subarch splitup

numaq_mpparse2 James Cleverdon / Martin Bligh
        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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