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Subject2.5.58-mjb2 (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 anyone willing to test on any
platform, however large or small.

http://www.aracnet.com/~fletch/linux/2.5.58/patch-2.5.58-mjb2.bz2

Since 2.5.58-mjb1 (~ = changed, + = added, - = dropped)

~ summit1 James Cleverdon / John Stultz
~ summit2 James Cleverdon / John Stultz
~ summit3 James Cleverdon / John Stultz
~ summit4 James Cleverdon / John Stultz
~ summit5 James Cleverdon / John Stultz
~ min_numasched Martin J. Bligh
~ numasched_ilb Michael Hohnbaum
+ numa_rebalancer Erich Focht
+ mpc_apic_id Martin J. Bligh
+ doaction Martin J. Bligh
+ vm_enough_memory Martin J. Bligh
+ discontig_x440 Pat Gaughen / Chandra
+ topo_hack Pat Gaughen

Notes:
NUMA scheduler is fully there now. Please let me know of tuning data.
Summit code should be fully working, with no more interrupt distribution
problems. Discontigmem code for x440 may not work without a small ACPI fix.

Pending:
Speed up page init on boot (Bill Irwin)
Notsc automatic enablement (someone, please ... anyone?)
scheduler callers profiling (Anton)
PPC64 NUMA patches (Anton)
Lockless xtime structures (Andi)
P4 oprofile support (movement)
Child runs first (akpm)
New starfire driver (Ion)
New qlogic driver (Badari ??)


summit1 James Cleverdon / John Stultz
Summit support part 1

summit2 James Cleverdon / John Stultz
Summit support part 2

summit3 James Cleverdon / John Stultz
Summit support part 3

summit4 James Cleverdon / John Stultz
Summit support part 4

summit5 James Cleverdon / John Stultz
Summit support part 5

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

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

min_numasched Martin J. Bligh
Minimal NUMA scheduler to make balancing node-local

numasched_ilb Michael Hohnbaum
NUMA scheduler lightweight initial load balancing.

numa_rebalancer Erich Focht
NUMA inter-node rebalancer tunable by architecture.

sched_tunables Robert Love
Provide tunable parameters for the scheduler

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

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

kgdb Andrew Morton / Various People
The older version of kgdb, synched with 2.5.54-mm1

noframeptr Martin Bligh
Disable -fomit_frame_pointer

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

mpc_apic_id Martin J. Bligh
Fix null ptr dereference (optimised away, but ...)

doaction Martin J. Bligh
Fix cruel torture of macros and small furry animals in io_apic.c

vm_enough_memory Martin J. Bligh
Make vm_enough_memory more efficient (for overcommit = 2)

discontig_x440 Pat Gaughen / Chandra
SLIT/SRAT parsing for x440 discontigmem

topo_hack Pat Gaughen
Disable some topo stuff for Summit because we're cowards.

-mjb Martin Bligh
Add a tag to the makefile

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