2.5.61-mjb1 (scalability / NUMA patchset)

From: Martin J. Bligh (mbligh@aracnet.com)
Date: Mon Feb 17 2003 - 18:54:27 EST


Yeah, yeah. I know Linus beat me to it ... I'm just "fashionably late".

--------------------------------

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/2.6.61/patch-2.5.61-mjb1.bz2

additional:

http://www.aracnet.com/~fletch/linux/2.5.59/pidmaps_nodepages

Since 2.5.59-mjb5 (~ = changed, + = added, - = dropped)

Notes: Just a merge from 59-mjb6 up with 2.5.61 really ... I'd like
kprobes and lkcd tested though, if someone can.

Merged with Linus:
- summit_smp John Stultz
- cyclone_fixes John Stultz
- enable_cyclone John Stultz
- lost_tick John Stultz
- frlock_xtime Stephen Hemminger et al.
- frlock-xtime-i386 Stephen Hemminger et al.
- frlock-xtime-ia64 Stephen Hemminger et al.
- frlock-xtime-other Stephen Hemminger et al.
- numaq_ioapicids William Lee Irwin
- oprofile_p4 John Levon
- starfire Ion Badulescu
- tcp_fix Alexey
- pgd_ctor William Lee Irwin
- pfn_to_nid William Lee Irwin
- oprofile_fixes John Levon
- alt_sysrq_t Russell King

New:
+ sighand_locking Linus / Martin J. Bligh
+ percpu_loadavg Martin J. Bligh
+ irq_affinity Martin J. Bligh
+ kirq_clustered_fix Dave Hansen / Martin J. Bligh

Pending:
fixes for kirq interrupt balancing patch
auto_disable_tsc (John Stultz)
scheduler callers profiling (Anton)
PPC64 NUMA patches (Anton)
Child runs first (akpm)
Kexec
e1000 fixes
Non-PAE aligned kernel splits (Dave Hansen)
Update the lost timer ticks code
Ingo scheduler updates

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

dcache_sunrpc Maneesh
        Fix up NFS to work properly with dcache

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

local_pgdat William Lee Irwin
        Move the pgdat structure into the remapped space with lmem_map

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

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

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

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

noframeptr Martin Bligh
        Disable -fomit_frame_pointer

ingosched Ingo Molnar
        Modify NUMA scheduler to have independant tick basis.

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

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

discontig_x440 Pat Gaughen / IBM NUMA team
        SLIT/SRAT parsing for x440 discontigmem

acpi_x440_hack Anonymous Coward
        Stops x440 crashing, but owner is ashamed of it ;-)

numa_pci_fix Dave Hansen
        Fix a potential error in the numa pci code from Stanford Checker

pfn_to_nid William Lee Irwin
        Turn pfn_to_nid into a macro

kprobes Vamsi Krishna S
        Add kernel probes hooks to the kernel

dmc_exit1 Dave McCracken
        Speed up the exit path, pt 1.

dmc_exit2 Dave McCracken
        Speed up the exit path, pt 1.

shpte Dave McCracken
        Shared pagetables (as a config option)

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

fix_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

lkcd LKCD team
        Linux kernel crash dump support

sighand_locking Linus / Martin J. Bligh
        Fix locking for task->sighand

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

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

kirq_clustered_fix Dave Hansen / Martin J. Bligh
        Fix kirq for clustered apic systems (eg x440)

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

-
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