2.5.54-mjb3 (scalability / NUMA patchset)

From: Martin J. Bligh (mbligh@aracnet.com)
Date: Thu Jan 09 2003 - 03:31:19 EST


Yeah, I know I'm "fashionably late", but I wanted to clear down some
stuff before porting to 2.5.55. Will do that tommorow.

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/2.5.54/patch-2.5.54-mjb3.bz2

Since 2.5.54-mjb2 (tweaked NUMA-Q patches, added Summit support)

~ cleanup_cpu_apicid Martin J. Bligh
~ smpboot_cam Martin J. Bligh
+ summit1 James Cleverdon / John Stultz
+ summit2 James Cleverdon / John Stultz
+ summit3 James Cleverdon / John Stultz
+ summit4 James Cleverdon / John Stultz

Also reordered a bunch of stuff.

Pending:
Speed up page init on boot (Bill Irwin)
Notsc automatic enablement
scheduler callers profiling (Anton)
PPC64 NUMA patches (Anton)
Scheduler tunables (rml)
Lockless xtime structures (Andi)

kallsyms Andi Kleen / Daniel Ritz
        Fix stem compression bug.

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.

do_boot_error James Cleverdon
        Change do_boot_cpu to return an error code instead of fishing globally

more_numaq1 James Cleverdon / Martin Bligh
        yet more Numa-Q subarch splitup

cleanup_cpu_apicid Martin J. Bligh
        Cleanup & simplify the apicid <-> cpu mapping stuff I put in ages ago.

smpboot_cam Martin J. Bligh
        Remove clustered_apic_mode stuff from smpboot.c

nuke_clustered_apic Martin J. Bligh
        Kill clustered_apic_mode and CONFIG_CLUSTERED_APIC forever.

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

shpte Dave McCracken
        Shared pagetables (as a config option)

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

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

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

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

noframeptr Martin Bligh
        Disable -fomit_frame_pointer

-mjb Martin Bligh
        Add a tag to the makefile

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