From: Martin J. Bligh (mbligh@aracnet.com)
Date: Sun Jun 15 2003 - 00:06:17 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 anyone willing to test on any
platform, however large or small.


additional patches that can be applied if desired:

(these two form the qlogic feral driver)

Since 2.5.70-mjb2 (~ = changed, + = added, - = dropped)

Notes: mostly just a merge forward + the *real* fix for proc_lock

Now in Linus' tree:

- numaq_apic_handling Martin J. Bligh
- remove_x86_summit Martin J. Bligh
- target_cpus Martin J. Bligh
- summit_pcimap Matt Dobson
- sched_idle Martin J. Bligh

+ proc_lock Martin J. Bligh
        Fix proc_lock handling and SDET hangs.
+ flow_compile Everyone and his dog.
        Fix silly compile error in 71.
+ gdb_fixes Andrew Morton & Martin J. Bligh
        Fix up some compile time errors & warnings, and an ordering bug
~ config_debug Dave Hansen
        Make the stupid thing actually work ;-)
+ ppc_kmalloc_bug paulus
        Fix wierd ppc kmalloc bug


- backout_locking The ghost of patches past
        I found the real problem with this, and fixed it.

Hyperthreaded scheduler (Ingo Molnar)
scheduler callers profiling (Anton or Bill Hartner)
Child runs first (akpm)
e1000 fixes
Update the lost timer ticks code
pidmaps_nodepages (Dave Hansen)
update membind code (Matt Dobson)
update config debug (Dave)
update percpu_loadavg (Dave)
object based rmap list-o-lists (Martin / Dave Mc)
Locking obliteration (Dave Mc)

Present in this patch:

proc_lock Martin J. Bligh
        Fix proc_lock handling and SDET hangs.

flow_compile Everyone and his dog.
        Fix silly compile error in 71.

early_printk Dave Hansen / Keith Mannthey
        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

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

schedstat Rick Lindsley
        Provide stats about the scheduler under /proc/schedstat

schedstat2 Rick Lindsley
        Provide more stats about the scheduler under /proc/schedstat

schedstat-scripts Rick Lindsley
        Provide some scripts for schedstat analysis under scripts/

sched_tunables Robert Love
        Provide tunable parameters for the scheduler (+ NUMA scheduler)

irq_affinity Martin J. Bligh
        Workaround for irq_affinity on clustered apic mode systems (eg x440)

partial_objrmap Dave McCracken
        Object based rmap for filebacked pages.

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

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

4k_stacks_vs_kgdb Dave Hansen
        Fix interaction between kgdb and 4K stacks

stacks_from_slab William Lee Irwin
        Take kernel stacks from the slab cache, not page allocation.

thread_under_page William Lee Irwin
        Fix THREAD_SIZE < PAGE_SIZE case

percpu_loadavg Martin J. Bligh
        Provide per-cpu loadaverages, and real load averages

spinlock_inlining Andrew Morton & Martin J. Bligh
        Inline spinlocks for profiling. Made into a ugly config option by me.

lockmeter John Hawkes / Hanna Linder
        Locking stats.

reiserfs_dio Mingming Cao
        DIO for Reiserfs

sched_interactive Ingo Molnar
        Bugfix for interactive scheduler

kgdb_cleanup Martin J. Bligh
        Stop kgdb renaming schedule to do_schedule when it's not even enabled

acenic_fix Martin J. Bligh
        Fix warning in acenic driver

local_balance_exec Martin J. Bligh
        Modify balance_exec to use node-local queues when idle

tcp_speedup Martin J. Bligh
        Speedup TCP (avoid double copy) as suggested by Linus

disable preempt Martin J. Bligh
        I broke preempt somehow, temporarily disable it to stop accidents

ppc64 fixes Anton Blanchard
        Various PPC64 fixes / updates

numameminfo fix Martin J. Bligh
        Correct /proc/meminfo.numa for zholes_size.

config_debug Dave Hansen
        Make '-g' for the kernel a config option

akpm_bear_pit Andrew Morton
        Add a printk for some buffer error I was hitting

32bit_dev_t Andries Brouwer
        Make dev_t 32 bit

dynamic_hd_struct Badari Pulavarty
        Allocate hd_structs dynamically

lotsa_sds Badari Pulavarty
        Create some insane number of sds

iosched_hashes Badari Pulavarty
        Twiddle with the iosched hash tables for fun & profit

per_node_idt Zwane Mwaikambo
        Per node IDT so we can do silly numbers of IO-APICs on NUMA-Q

config_numasched Dave Hansen
        Turn NUMA scheduler into a config option

lockmeter_tytso Ted Tso
        Fix lockmeter

aiofix2 Mingming Cao
        fixed a bug in ioctx_alloc()

config_irqbal Keith Mannthey
        Make irqbalance a config option

fs_aio_1_retry Suparna Bhattacharya
        Filesystem aio. Chapter 1

fs_aio_2_read Suparna Bhattacharya
        Filesystem aio. Chapter 2

fs_aio_3_write Suparna Bhattacharya
        Filesystem aio. Chapter 3

fs_aio_4_down_wq Suparna Bhattacharya
        Filesystem aio. Chapter 4

fs_aio_5_wrdown_wq Suparna Bhattacharya
        Filesystem aio. Chapter 5

fs_aio_6_bread_wq Suparna Bhattacharya
        Filesystem aio. Chapter 6

fs_aio_7_ext2getblk_wq Suparna Bhattacharya
        Filesystem aio. Chapter 7

fs_aio_8_down_wq-ppc64 Suparna Bhattacharya
        Filesystem aio. Chapter 8

fs_aio_9_down_wq-x86_64 Suparna Bhattacharya
        Filesystem aio. Chapter 9

ppc_kmalloc_bug paulus
        Fix wierd ppc kmalloc bug

-mjb Martin J. Bligh
        Add a tag to the makefile

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